OAV Dealer Intelligence
Karl GMC of Marshalltown inventory in Marshalltown, IA
OAV.io analyzes millions of vehicle listings using RetailVision™ market data to identify vehicles priced below expected market ranges based on year, make, model, trim (when available), and comparable listings.
OAV helps determine if a vehicle is a good deal by comparing its price to similar listings within its supported comparable range. Sell-through is separate Demand-Verified evidence, not part of the price verdict.
Market snapshot · October 27, 2026
The best priced vehicles at Karl GMC of Marshalltown in Marshalltown, IA are listed below their typical market range, based on comparable listings; days-on-lot and Demand-Verified sell-through are shown as separate demand signals. From regularly refreshed market data.
Use this page to
- Compare Karl GMC of Marshalltown's prices against the local Marshalltown, IA market.
- Find Karl GMC of Marshalltown's lowest-days-on-lot inventory (faster-turning vehicles).
- Track Karl GMC of Marshalltown's deal mix (Great Deal / Fair Price / Overpriced) over time.
Top Deals at karl gmc of marshalltown in Marshalltown, IA Today
Vehicles labeled Great Deal — priced below the comparable-range floor by at least OAV's minimum-gap margin, per OAV's price-to-market analysis of comparable listings. Days-on-lot velocity is a separate demand signal, not part of the verdict.
597 total vehicles listed · 224 new · 373 used
Request availability and out-the-door price
OAV will route your inquiry to Karl GMC of Marshalltown for current availability and an out-the-door price quote (taxes, fees, add-ons included). Choose from 597 vehicles in inventory.
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
Are you this dealer? Claim this page (free) or sign in.
Best-priced vehicles at Karl GMC of Marshalltown
OAV found 597 active listings for Karl GMC of Marshalltown in Marshalltown, IA (224 new · 373 used). The strongest deal signals are based on price-to-market range and comparable listings; days-on-lot and Demand-Verified sell-through are shown as separate demand signals, not ranking inputs.
Top deals on this page are vehicles rated Great Deal — priced below the comparable-range floor by at least OAV's minimum-gap margin; days-on-lot and Demand-Verified sell-through appear alongside as separate demand context, never as part of the verdict.
Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).
Top deal signals
Vehicles at this dealer with the strongest below-market signal based on OAV's price-to-market analysis. Ranked by deal strength.
| Vehicle | Price | Expected Market Range | PTM Gap | DOL | Why it stands out |
|---|---|---|---|---|---|
| 2025 GMC Sierra 1500 | $59,983 | $62,338 – $70,037 | 3.8% below | 91 days | Priced 3.8% below OAV's expected market range, 91 days listed. |
Compared against similar comparable listings.
According to RetailVision™ data, OAV is currently analyzing approximately 600 vehicles in this dealer's inventory in Marshalltown, IA.
New Inventory
224 new vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
224
Average Price
$69,342
Price Range
$35,070–$119,639
Avg Days on Lot
67
Deal Mix· 20 of 224 shown
Great Dealsⓘ
0
0.0% of 20 shown
Fair Priceⓘ
9
45.0% of 20 shown
Overpricedⓘ
0
0.0% of 20 shown
Unscoredⓘ
11
55.0% of 20 shown
Used Inventory
373 used vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
373
Average Price
$44,918
Price Range
$10,864–$100,167
Avg Days on Lot
42
Deal Mix· 80 of 373 shown
Great Dealsⓘ
1
1.3% of 80 shown
Fair Priceⓘ
27
33.8% of 80 shown
Overpricedⓘ
1
1.3% of 80 shown
Unscoredⓘ
51
63.7% of 80 shown
Current Inventory (100 of 597)
Sorted by deal quality. Each listing rated by OAV's Price-to-Market analysis.
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 GMC Sierra 1500
Marshalltown, IA
Market: $62,338 – $70,037
Comparison: 36 similar vehicles
Competitively priced ~4% below the typical range compared to similar vehicles · 91 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Jeep Grand Cherokee L
Marshalltown, IA
Market: $22,990 – $34,699
Comparison: 86 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 14 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Ford F-150
Marshalltown, IA
Market: $20,995 – $44,450
Comparison: 63 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 117 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Marshalltown, IA
Market: $61,593 – $84,851
Comparison: 55 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 3 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Yukon XL
Marshalltown, IA
Market: $78,279 – $98,660
Comparison: 52 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 82 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Jeep Grand Cherokee
Marshalltown, IA
Market: $28,169 – $34,999
Comparison: 48 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 157 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Equinox
Marshalltown, IA
Market: $24,144 – $30,647
Comparison: 42 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 98 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Marshalltown, IA
Market: $68,427 – $79,490
Comparison: 38 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 94 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Nissan Altima
Marshalltown, IA
Market: $19,919 – $23,879
Comparison: 36 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 9 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Marshalltown, IA
Market: $89,929 – $100,075
Comparison: 36 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 51 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 GMC Acadia
Marshalltown, IA
Market: $16,995 – $27,770
Comparison: 35 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2019 GMC Yukon
Marshalltown, IA
Market: $18,914 – $33,299
Comparison: 34 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 42 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Jeep Cherokee
Marshalltown, IA
Market: $17,135 – $21,589
Comparison: 30 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 14 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2019 Chevrolet Blazer
Marshalltown, IA
Market: $14,120 – $25,215
Comparison: 30 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 10 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Chevrolet Silverado 1500
Marshalltown, IA
Market: $24,467 – $35,509
Comparison: 28 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 13 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Acadia
Marshalltown, IA
Market: $64,454 – $68,415
Comparison: 28 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 19 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Equinox EV
Marshalltown, IA
Market: $25,399 – $30,888
Comparison: 27 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 3 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Chevrolet Equinox
Marshalltown, IA
Market: $15,995 – $25,995
Comparison: 25 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 3 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Marshalltown, IA
Market: $57,466 – $67,114
Comparison: 22 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 47 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Terrain
Marshalltown, IA
Market: $43,281 – $48,930
Comparison: 21 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 4 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Equinox EV
Marshalltown, IA
Market: $23,208 – $27,122
Comparison: 20 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 3 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Trailblazer
Marshalltown, IA
Market: $28,250 – $32,837
Comparison: 19 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 12 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Buick Enclave
Marshalltown, IA
Market: $15,995 – $24,900
Comparison: 17 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Kia Sorento
Marshalltown, IA
Market: $11,999 – $20,000
Comparison: 16 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 21 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Chevrolet Silverado 1500
Marshalltown, IA
Market: $40,999 – $43,999
Comparison: 16 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 131 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Trax
Marshalltown, IA
Market: $22,149 – $23,385
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 111 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 GMC Acadia
Marshalltown, IA
Market: $15,900 – $26,990
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Blazer
Marshalltown, IA
Market: $24,900 – $34,065
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 25 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Canyon
Marshalltown, IA
Market: $44,386 – $49,556
Comparison: 15 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 89 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Silverado 1500
Marshalltown, IA
Market: $52,968 – $63,921
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 143 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Chevrolet Silverado 1500
Marshalltown, IA
Market: $25,211 – $34,800
Comparison: 14 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 30 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Acadia
Marshalltown, IA
Market: $48,720 – $57,275
Comparison: 14 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 40 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Equinox
Marshalltown, IA
Market: $28,456 – $31,624
Comparison: 12 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 7 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2019 Chevrolet Silverado 1500
Marshalltown, IA
Market: $26,950 – $32,568
Comparison: 12 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 4 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Jeep Grand Cherokee
Marshalltown, IA
Market: $22,995 – $27,990
Comparison: 11 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 46 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Jeep Grand Cherokee
Marshalltown, IA
Market: $22,099 – $34,999
Comparison: 11 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 101 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Trax
Marshalltown, IA
Market: $21,800 – $26,945
Comparison: 10 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 4 days listed (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Trax
Marshalltown, IA
Market: $19,925 – $22,902
Comparison: 18 similar vehicles
Priced ~2% above the typical market range for similar vehicles (based on current market benchmarks)
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2018 GMC Terrain
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2019 Mitsubishi Outlander
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2017 Hyundai Tucson
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Volvo XC90
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Equinox
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 GMC Acadia
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Dodge Durango
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Chevrolet Equinox
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Nissan Rogue
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Chevrolet Traverse
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Honda Passport
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Blazer EV
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Kia K5
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2018 GMC Sierra 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Jeep Grand Cherokee
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Jeep Wrangler Unlimited
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Buick Encore GX
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Jeep Grand Cherokee
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Cadillac XT5
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2019 Jeep Wrangler Unlimited
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 GMC Terrain
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Jeep Grand Cherokee
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2020 Chevrolet Silverado 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 GMC Terrain
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Buick Enclave
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Chevrolet Blazer
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2021 Toyota RAV4
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Toyota RAV4
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Cadillac XT6
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Terrain
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2017 Ford F-250 Super Duty
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Silverado 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Honda CR-V
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Chevrolet Silverado 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Silverado 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 Lincoln Navigator
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Savana Cutaway
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Terrain
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Acadia
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 RAM 3500 Pickup
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Silverado 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Suburban
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 GMC Sierra 1500
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Chevrolet Suburban
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Silverado 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Silverado 3500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Chevrolet Silverado 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 GMC Sierra 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Chevrolet Tahoe
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 3500HD
Marshalltown, IA
Marshalltown, IA
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Yukon XL
Marshalltown, IA
Marshalltown, IA
Reviews & OAV Score™
Buyer reviews and the composite OAV Score™ for Karl GMC of Marshalltown inventory in Marshalltown, IA.
not enough data yet
No published reviews yet.
How this dealer listing is verified
This dealer entry is one of 56,000+ U.S. dealerships tracked by OAV. Inventory counts and pricing statistics shown above are derived from the dealer's publicly advertised vehicle listings, aggregated and standardized using OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477). Individual vehicle VINs in the listings above can be independently verified at the NHTSA VIN decoder.
This page renders OAV's public market summary for this rooftop. Dealers who want this listing removed entirely may email oavsupport@oav.io.