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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

2021 GMC Terrain in Missouri

2021 GMC Terrain — market pricing in Missouri

As of 2026-10-12, 19 listed 2021 GMC Terrains in Missouri had a median asking price of $18,020, with a typical range (25th–75th percentile) of $14,741–$18,892, median odometer 90,048 mi, and a median 73 days on the lot. Asking prices, not sold prices; a dated market snapshot.

Median price
$18,020
Typical range
$14,741–$18,892
Median miles
90,048 mi
Median days on lot
73
Listings
19

Asking prices from active dealer listings, deduplicated by VIN. Median & percentiles, not average. Snapshot 2026-10-12. Not a verdict on any single vehicle.

Explore 2021 GMC Terrain in Missouri with OAV's Price-to-Market analysis against comparable listings. A verdict appears only where the evidence supports one. These vehicles are listed from the lowest asking price upward; each carries its own price verdict or is marked Unscored, and days-on-lot is shown as a separate demand signal, not a ranking input.

Market snapshot · October 12, 2026

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.

According to RetailVision™ data, OAV is currently analyzing approximately 19 2021 GMC Terrain across the Missouri market.

Total 2021 GMC Terrain

19

Average Price

$17,506

Price Range

$11,995–$25,287

Avg Days on Lot

132

How OAV Identifies Deals

OAV builds a comparable range for each vehicle from regularly refreshed dealer-advertised listings — same make, model and year range, trim where the data supports it. Where the evidence supports a verdict, a vehicle is rated by how its asking price compares to that range; days-on-lot and sell-through are separate demand signals, never inputs to the Price-to-Market verdict. When OAV evaluates a listing but the evidence does not support a verdict, the listing is Unscored.

  • Millions of retail comparables across U.S. markets.
  • Vehicles compared on year, make, model, and trim (when available).
  • Real price-to-market ranges from regularly refreshed market data.
  • Days-on-lot is a separate demand signal, never an input to the Price-to-Market verdict.
  • Listings priced below the comparable-range floor by at least OAV's minimum-gap margin surface as Great Deal — a great deal compared to similar vehicles currently for sale.
  • Listings priced within the comparable range, or below the floor by less than that margin surface as Fair Price — fairly priced, in line with what comparable vehicles are typically listed for.
  • Listings priced above the comparable range surface as Overpriced — above market, higher than what comparable vehicles are typically listed for.
  • Dealer business information is public on every profile. OAV-claimed dealers manage their profile directly and route inquiries through OAV.

This helps identify which listings are a great deal relative to comparable vehicles — OAV's Great Deal verdict — and shows the evidence behind every rating.

Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).

Learn how OAV identifies Demand-Verified Deals™

What makes OAV different from traditional car-listing sites

Traditional vehicle-listing marketplaces are built for shoppers to browse inventory. OAV is the answer-engine layer above the marketplace: it evaluates vehicle asking prices with Price-to-Market against comparable listings and shows the market evidence behind each verdict. Days-on-lot and sell-through from similar vehicles are separate demand evidence, never inputs to the Price-to-Market verdict. OAV is built for the next car-shopping behavior: asking which vehicle to buy, not just browsing inventory.

2021 GMC Terrain market summary — Missouri

MarketMissouri
Body type2021 GMC Terrain
Listings analyzed19
Average price$17,506
Price range$11,995 – $25,287
Price-to-Market basisAsking price vs comparable listings (same make/model, year window, trim where available). Days-on-lot and sell-through are separate demand signals, not verdict inputs.
Refresh cadenceDaily

Cheapest Great Deals on 2021 GMC Terrain in Missouri

Lowest-priced listings flagged as Great Deal by OAV's Price-to-Market analysis.

OAV answers these questions

What are the best priced 2021 GMC Terrain in Missouri?
Great Deal means priced below the comparable-range floor by at least OAV's minimum-gap margin; Fair Price means priced within the comparable range, or below the floor by less than that margin.
Which 2021 GMC Terrain in Missouri are priced below market?
2021 GMC Terrain in Missouri rated Great Deal are priced below the comparable-range floor by at least OAV's minimum-gap margin. Each one links to its vehicle page.
Which listings are Demand-Verified in Missouri?
A listing is Demand-Verified when the matched sold cohort of similar vehicles is moving faster than its market baseline, the cohort meets minimum-sample and freshness requirements, and this specific listing has not aged beyond the cohort's typical selling window. It is sell-through evidence about demand, and is separate from OAV's price-to-market verdict.
Which 2021 GMC Terrain are priced below comparable listings in Missouri?
OAV's Price-to-Market analysis compares a listing's asking price against similar 2021 GMC Terrain in Missouri, using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it, and mileage is not used to select comparables or adjust comparable prices, but acts as a reliability check on used vehicles — OAV withholds a verdict when mileage is very high or unreliable, or when a lower price is better explained by higher-than-typical mileage than by a genuine market discount. Where OAV publishes a verdict, a listing priced below the comparable-range floor by at least OAV's minimum-gap margin is rated Great Deal; one priced within the comparable range, or below the floor by less than that margin, is Fair Price.

How OAV works — common questions

How does OAV find cars priced below market?
OAV compares a listing's asking price against similar vehicles currently for sale — using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it, and mileage is not used to select comparables or adjust comparable prices, but acts as a reliability check on used vehicles — OAV withholds a verdict when mileage is very high or unreliable, or when a lower price is better explained by higher-than-typical mileage than by a genuine market discount — to compute a price-to-market range. Where OAV publishes a verdict, a listing priced below the comparable-range floor by at least OAV's minimum-gap margin is rated Great Deal; one priced within the comparable range, or below the floor by less than that margin, is Fair Price.
What makes a Demand-Verified Deal different from a cheap listing?
A cheap listing is just priced low. The Demand-Verified badge is sell-through evidence: the listing's similar-vehicle sold cohort is moving faster than its market baseline, and this listing hasn't aged beyond that cohort's typical selling window — it is separate from OAV's price verdict. A Demand-Verified Deal combines both: the Demand-Verified badge AND a Great Deal verdict from Price-to-Market (priced below the comparable-range floor by at least OAV's minimum-gap margin). The price verdict establishes where the asking price sits relative to OAV's supported comparable range. The Demand-Verified signal measures whether the matched sold cohort is moving faster than its market baseline and whether this listing remains within that cohort's typical selling window — it does not show that buyers are paying this listing's asking price. While OAV re-validates the sell-through claim, the badge is withheld on every listing and no Demand-Verified Deals are being labeled.
Does OAV use local market comparables?
Yes — local-first. OAV starts with comparable retail listings in the same metro and broader region, and widens the comparison set only when local inventory is too thin to support a reliable range. A truck in Dallas is compared against Dallas-area trucks where the local market supports it; an EV in Los Angeles against LA-area EVs. This local-first approach makes the price-to-market math meaningful.
Why does days-on-lot matter when shopping for used cars?
How long a vehicle sits is a demand signal about its cohort, not proof that buyers are paying this listing's price. OAV compares a listing's days-on-lot to the sold cohort of similar vehicles: when comparable vehicles have been selling quickly and this listing is still within that cohort's typical selling window, it corroborates real demand. A listing sitting far longer than its cohort typically takes to sell is the opposite signal — worth confirming its history, condition, and price before assuming it's a deal.
Can OAV help find trucks, SUVs, or EVs priced below market?
Yes — OAV has body-type market views for trucks, SUVs, sedans and EVs in major U.S. metros and ZIP codes. Each listing links to its vehicle page. Start at the homepage or any city or ZIP page.

Explore more markets

All 2021 GMC Terrain in Missouri

Showing the 19 best-priced GMC Terrain from 19 active listings.

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Poplar Bluff, MO

UnscoredLimited · 15
$11,995161,500 mi

Comparison: 15 similar vehicles

Poplar Bluff, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Kansas City, MO

UnscoredInsufficient · 3
$12,895136,463 mi

Comparison: 3 similar vehicles

Kansas City, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Winfield, MO

Fair PriceLimited · 17
$12,950130,330 mi

Market: $9,995 – $19,995

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 14 days listed (based on current market benchmarks)

Winfield, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Herculaneum, MO

Fair PriceLimited · 12
$14,129139,643 mi

Market: $11,995 – $19,995

Comparison: 12 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 9 days listed (based on current market benchmarks)

Herculaneum, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Wright City, MO

Fair PriceLimited · 17
$14,495120,008 mi

Market: $11,995 – $21,143

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 151 days listed (based on current market benchmarks)

Wright City, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

De Soto, MO

Great DealModerate · 37
$14,987117,671 mi

Market: $15,594 – $21,274

Comparison: 37 similar vehicles

Competitively priced ~4% below the typical range compared to similar vehicles · 26 days listed (based on current market benchmarks)

De Soto, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Manchester, MO

UnscoredInsufficient · 3
$16,54990,048 mi

Comparison: 3 similar vehicles

Manchester, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Ozark, MO

Fair PriceModerate · 46
$16,719118,500 mi

Market: $10,799 – $22,995

Comparison: 46 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 32 days listed (based on current market benchmarks)

Ozark, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Chillicothe, MO

UnscoredLimited · 9
$17,95090,195 mi

Comparison: 9 similar vehicles

Chillicothe, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

St. Louis, MO

UnscoredLimited · 7
$18,02088,375 mi

Comparison: 7 similar vehicles

St. Louis, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Blue Springs, MO

UnscoredInsufficient · 3
$18,48862,066 mi

Comparison: 3 similar vehicles

Blue Springs, MO

2021 GMC Terrain SLE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLE

Warrenton, MO

UnscoredInsufficient · 0
$18,50041,807 mi

Warrenton, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Columbia, MO

Fair PriceModerate · 27
$18,60271,092 mi

Market: $14,987 – $22,995

Comparison: 27 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 4 days listed (based on current market benchmarks)

Columbia, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Springfield, MO

Fair PriceModerate · 45
$18,79563,402 mi

Market: $10,799 – $22,995

Comparison: 45 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 10 days listed (based on current market benchmarks)

Springfield, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Joplin, MO

Fair PriceModerate · 36
$18,99082,901 mi

Market: $10,799 – $22,995

Comparison: 36 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 82 days listed (based on current market benchmarks)

Joplin, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Warrenton, MO

Salvage title
$18,99945,319 mi

Warrenton, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Fairdealing, MO

OverpricedRobust · 54
$21,27482,428 mi

Market: $14,987 – $20,049

Comparison: 54 similar vehicles

Priced ~6% above the typical market range for similar vehicles (based on current market benchmarks)

Fairdealing, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Independence, MO

UnscoredLimited · 7
$22,99591,716 mi

Comparison: 7 similar vehicles

Independence, MO

2021 GMC Terrain SLT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2021 GMC Terrain SLT

Poplar Bluff, MO

UnscoredInsufficient · 0
$25,28727,651 mi

Poplar Bluff, MO

Other vehicle markets in Missouri