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Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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VIN: 3GKALYEG1TL154633
Stock: L26134
Listed since: 06-09-2025Close
Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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VIN: 3GKALMEG4TL117682
Stock: L26001
Listed since: 05-01-2025Close
Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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VIN: 3GKALUEG4TL154604
Stock: L26133
Listed since: 06-09-2025Close
Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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VIN: 3GKALYEG9TL138227
Stock: L26042
Listed since: 05-28-2025- Arriving Soon
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Located in Collinsville, IL / 11 miles away from O Fallon, IL
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VIN: 3GKALMEG4TL163285
Stock: 163285
Listed since: 06-10-2025 - Arriving Soon
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Located in Collinsville, IL / 11 miles away from O Fallon, IL
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VIN: 3GKALUEG0TL165194
Stock: 165194
Listed since: 06-10-2025 Close
Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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Listing Information:
VIN: 3GKALZEGXTL155589
Stock: L26138
Listed since: 06-09-2025Close
Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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VIN: 3GKALUEG4TL151329
Stock: L26079
Listed since: 06-06-2025- New Listing
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Located in Collinsville, IL / 11 miles away from O Fallon, IL
#1 VOLUME BUICK-GMC DEALER IN THE NATION!! NO HOOKS, NO GIMMICKS, DO NOT LET OTHER DEALERS TELL YOU OTHERWISE! You could qualify for even more incenti...
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Listing Information:
VIN: 3GKALYEG6TL150688
Stock: L26135
Listed since: 06-09-2025 
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Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,720 off MSRP!2026 GMC Terrain Summit WhiteThe listed Prices do not include additional fees and costs of closing, including governme...
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VIN: 3GKALZEG8TL101353
Stock: BG35697
Listed since: 06-06-2025Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,296 off MSRP!2026 GMC Terrain Summit WhiteThe listed Prices do not include additional fees and costs of closing, including governme...
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VIN: 3GKALMEG3TL105006
Stock: BG35707
Listed since: 06-04-2025Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,315 off MSRP!2026 GMC Terrain Sterling MetallicThe listed Prices do not include additional fees and costs of closing, including gov...
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VIN: 3GKALMEG8TL103204
Stock: BG35699
Listed since: 06-02-2025Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,315 off MSRP!2026 GMC Terrain Ebony Twilight MetallicThe listed Prices do not include additional fees and costs of closing, includi...
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VIN: 3GKALMEG8TL102053
Stock: BG35700
Listed since: 06-06-2025- New ListingPhotos not available
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Located in Saint Louis, MO / 29 miles away from O Fallon, IL
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VIN: 3GKALYEG4TL153248
Stock: BG35719
Listed since: 06-12-2025 Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,315 off MSRP!2026 GMC Terrain Sterling MetallicThe listed Prices do not include additional fees and costs of closing, including gov...
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Listing Information:
VIN: 3GKALMEG3TL105216
Stock: BG35706
Listed since: 06-06-2025- New ListingPhotos not available
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Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,252 off MSRP!2026 GMC Terrain Summit WhiteThe listed Prices do not include additional fees and costs of closing, including governme...
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Listing Information:
VIN: 3GKALMEG7TL162065
Stock: BG35716
Listed since: 06-09-2025 - New ListingPhotos not available
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Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,272 off MSRP!2026 GMC Terrain Sterling MetallicThe listed Prices do not include additional fees and costs of closing, including gov...
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VIN: 3GKALMEG0TL163333
Stock: BG35718
Listed since: 06-09-2025 Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,315 off MSRP!2026 GMC Terrain Sterling MetallicThe listed Prices do not include additional fees and costs of closing, including gov...
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Listing Information:
VIN: 3GKALMEG7TL103873
Stock: BG35702
Listed since: 06-02-2025Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,252 off MSRP!2026 GMC Terrain Summit WhiteThe listed Prices do not include additional fees and costs of closing, including governme...
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Listing Information:
VIN: 3GKALMEG8TL104580
Stock: BG35715
Listed since: 05-30-2025- Photos not available
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Located in Saint Louis, MO / 29 miles away from O Fallon, IL
$1,315 off MSRP!2026 GMC Terrain Sterling MetallicThe listed Prices do not include additional fees and costs of closing, including government fees and...
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Listing Information:
VIN: 3GKALMEG1TL105456
Stock: BG35710
Listed since: 04-25-2025 Close
Located in Saint Louis, MO / 29 miles away from O Fallon, IL
Recent Arrival! $1,272 off MSRP!2026 GMC Terrain Ebony Twilight MetallicThe listed Prices do not include additional fees and costs of closing, includi...
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Listing Information:
VIN: 3GKALMEG3TL103434
Stock: BG35708
Listed since: 05-28-2025
Showing 85 - 105 out of 155 listings
Consumer Reviews for the GMC Terrain
Read recent reviews for the GMC Terrain
The Ultimate Terrain Tamer: 2025 GMC Terrain
Jdbutts, 02/27/2025
2025 GMC Terrain Elevation 4dr SUV (1.5L 4cyl Turbo CVT)
From the moment I got behind the wheel of my 2025 GMC Terrain AWD with the Technology Package, I knew I had made the right choice. This SUV is the perfect blend of style, capability, and cutting-edge features.
The all-wheel-drive system provides a confident and smooth ride, whether on highways or rougher terrain. The Technology Package takes the experience to the next level, with an … intuitive infotainment system, a crystal-clear head-up display, and advanced driver-assist features that make every drive feel effortless. The interior is both sleek and spacious, with premium materials that give it a luxury feel without the luxury price tag.
Whether navigating city streets or exploring the great outdoors, the 2025 GMC Terrain proves to be the perfect companion. This SUV isn’t just a vehicle—it’s an experience. GMC knocked it out of the park!
| Trim | MPG | Engine | Starting Price |
|---|---|---|---|
| 2026 GMC Terrain undefined | N/A | N/A | $31,295 |
More about the GMC Terrain
Edmunds has 155 New GMC Terrains for sale near you, including a 2026 Terrain FWD Elevation and a 2026 Terrain Denali ranging in price from $31,295 to $45,135.
How much is a new 2026 GMC Terrain in O Fallon, IL?
- A new 2026 GMC Terrain starts at $31,295 (including destination charge) in O Fallon, IL. Prices will go up based on the trim level you choose and any options you add. Keep in mind that prices can also vary from one state to another and even from one dealership to the next.
How much is a brand-new GMC Terrain in O Fallon, IL?
- A brand-new GMC Terrain starts at $31,295 in O Fallon, IL. The price can change based on a number of factors such as location, model year, trim level and options.
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