OAV Dealer Intelligence
Gem City Motors GMC inventory in Sidney, MT
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 26, 2026
OAV evaluates vehicle asking prices against comparable listings when sufficient market evidence is available. Days-on-lot and Demand-Verified sell-through are separate demand signals. Market data is refreshed regularly.
Use this page to
- Compare Gem City Motors GMC's prices against the local Sidney, MT market.
- Find Gem City Motors GMC's lowest-days-on-lot inventory (faster-turning vehicles).
- Track Gem City Motors GMC's deal mix (Great Deal / Fair Price / Overpriced) over time.
78 total vehicles listed · 25 new · 53 used
Request availability and out-the-door price
OAV will route your inquiry to Gem City Motors GMC for current availability and an out-the-door price quote (taxes, fees, add-ons included). Choose from 78 vehicles in inventory.
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
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Vehicles at Gem City Motors GMC
OAV found 78 active listings for Gem City Motors GMC in Sidney, MT (25 new · 53 used). OAV evaluates vehicle asking prices against comparable listings when sufficient market evidence is available. Days-on-lot and Demand-Verified sell-through are separate demand signals. Market data is refreshed regularly.
Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).
According to RetailVision™ data, OAV is currently analyzing approximately 78 vehicles in this dealer's inventory in Sidney, MT.
New Inventory
25 new vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
25
Average Price
$81,447
Price Range
$47,263–$112,482
Avg Days on Lot
45
Deal Mix· 25 of 25 shown
Great Dealsⓘ
0
0.0% of 25 shown
Fair Priceⓘ
3
12.0% of 25 shown
Overpricedⓘ
3
12.0% of 25 shown
Unscoredⓘ
19
76.0% of 25 shown
Used Inventory
53 used vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
53
Average Price
$44,464
Price Range
$21,298–$80,798
Avg Days on Lot
60
Deal Mix· 9 of 53 shown
Great Dealsⓘ
0
0.0% of 9 shown
Fair Priceⓘ
2
22.2% of 9 shown
Overpricedⓘ
0
0.0% of 9 shown
Unscoredⓘ
7
77.8% of 9 shown
Current Inventory (34 of 78)
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.
2026 GMC Sierra 2500HD
Sidney, MT
Market: $75,500 – $85,133
Comparison: 17 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 14 days listed (based on current market benchmarks)
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Sidney, MT
Market: $84,000 – $109,182
Comparison: 17 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 31 days listed (based on current market benchmarks)
Sidney, MT
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2021 Chevrolet Silverado 1500
Sidney, MT
Market: $22,279 – $38,745
Comparison: 14 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 130 days listed (based on current market benchmarks)
Sidney, MT
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2026 GMC Sierra 1500
Sidney, MT
Market: $65,555 – $73,948
Comparison: 14 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 45 days listed (based on current market benchmarks)
Sidney, MT
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2024 Ford F-150
Sidney, MT
Market: $50,394 – $54,289
Comparison: 12 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 130 days listed (based on current market benchmarks)
Sidney, MT
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2026 GMC Sierra 2500HD
Sidney, MT
Market: $84,000 – $99,923
Comparison: 17 similar vehicles
Priced ~9% above the typical market range for similar vehicles (based on current market benchmarks)
Sidney, MT
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2026 GMC Sierra 1500
Sidney, MT
Market: $65,555 – $71,358
Comparison: 14 similar vehicles
Priced ~4% above the typical market range for similar vehicles (based on current market benchmarks)
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Yukon XL
Sidney, MT
Market: $87,530 – $101,892
Comparison: 11 similar vehicles
Priced ~1% above the typical market range for similar vehicles (based on current market benchmarks)
Sidney, MT
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2018 GMC Yukon XL
Sidney, MT
Sidney, MT
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2019 GMC Sierra 1500
Sidney, MT
Sidney, MT
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2023 Chevrolet Silverado 1500
Sidney, MT
Sidney, MT
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2023 GMC Sierra 1500
Sidney, MT
Sidney, MT
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2021 RAM 2500 Pickup
Sidney, MT
Sidney, MT
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2023 RAM 1500 Pickup
Sidney, MT
Sidney, MT
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2026 GMC Terrain
Sidney, MT
Sidney, MT
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2026 GMC Canyon
Sidney, MT
Sidney, MT
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2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
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2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 GMC Sierra 3500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 3500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 3500HD
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Yukon XL
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Yukon
Sidney, MT
Sidney, MT
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Yukon XL
Sidney, MT
Sidney, MT
Reviews & OAV Score™
Buyer reviews and the composite OAV Score™ for Gem City Motors GMC inventory in Sidney, MT.
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.