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  • Arriving Soon
    $41,374
    MSRP $41,525
    • Sapaugh GM Country (39 mi away)5 out of 5 stars(2)
    • AWD
    Close

    Located in Herculaneum, MO / 39 miles away from O Fallon, MO

    Recent Arrival! Ebony Twilight Metallic 2026 GMC Terrain AT4 AWD 8-Speed Automatic with Overdrive 1.5L DOHC

    Features and Specs:

    Listing Information:

    VIN: 3GKALYEG5TL110568
    Stock: 263011
    Listed since: 05-08-2025

  • $34,979
    MSRP $35,130
    • Sapaugh GM Country (39 mi away)5 out of 5 stars(2)
    • AWD
    • Driver & Front Passe...
    • Remote keyless entry
    • Navigation System
    • Steering wheel mount...
    Close

    Located in Herculaneum, MO / 39 miles away from O Fallon, MO

    Recent Arrival! Volcanic Red Tintcoat 3.47 Final Drive Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Co...

    Features and Specs:

    Listing Information:

    VIN: 3GKALUEG9TL115684
    Stock: 263003
    Listed since: 04-29-2025

  • Arriving Soon
    $41,279
    MSRP $41,430
    • Sapaugh GM Country (39 mi away)5 out of 5 stars(2)
    • AWD
    • Driver & Front Passe...
    • Remote keyless entry
    • Navigation System
    • Steering wheel mount...
    Close

    Located in Herculaneum, MO / 39 miles away from O Fallon, MO

    Recent Arrival! Rapids Metallic 2-Way Power Driver Lumbar Seat Adjuster, 3.47 Final Drive Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio...

    Features and Specs:

    Listing Information:

    VIN: 3GKALYEG2TL119339
    Stock: 263007
    Listed since: 05-06-2025

  • Arriving Soon
    $40,879
    MSRP $41,030
    • Sapaugh GM Country (39 mi away)5 out of 5 stars(2)
    • AWD
    • Driver & Front Passe...
    • Remote keyless entry
    • Navigation System
    • Steering wheel mount...
    Close

    Located in Herculaneum, MO / 39 miles away from O Fallon, MO

    Recent Arrival! Summit White 2-Way Power Driver Lumbar Seat Adjuster, 3.47 Final Drive Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio Sy...

    Features and Specs:

    Listing Information:

    VIN: 3GKALYEG4TL110352
    Stock: 263000
    Listed since: 04-29-2025

  • Advertisement

    5 Offers Nearby

    2025 GMC Terrain
    $30,000
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 3 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Summit WhiteSummit White
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,570 off MSRP!2025 GMC Terrain Summit White24/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, including go...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG4SL286664
    Stock: BG35684L
    Listed since: 03-24-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark leatheretteAfter Dark leatherette
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,499 off MSRP!2025 GMC Terrain Sterling Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG4SL292741
    Stock: BG35683
    Listed since: 03-24-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,635 off MSRP!2025 GMC Terrain Sterling Metallic24/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG8SL220926
    Stock: BG35649L
    Listed since: 12-12-2024

  • New Listing
    Stock photo**
    • Exterior color: Ebony Twilight MetallicEbony Twilight Metallic
    • Interior color: After Dark leatheretteAfter Dark leatherette
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    Recent Arrival! $1,499 off MSRP!2025 GMC Terrain Ebony Twilight Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and cos...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG6SL327201
    Stock: BG35713
    Listed since: 05-06-2025

  • Advertisement

    5 Offers Nearby

    2025 GMC Terrain
    $30,000
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 3 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Rapids MetallicRapids Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,541 off MSRP!2025 GMC Terrain Rapids Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, including...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG1SL330703
    Stock: BG35695
    Listed since: 04-17-2025

  • New Listing
    Stock photo**
    • Exterior color: Ebony Twilight MetallicEbony Twilight Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    Recent Arrival! $1,499 off MSRP!2025 GMC Terrain Ebony Twilight Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and cos...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG1SL327414
    Stock: BG35714
    Listed since: 05-06-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,541 off MSRP!2025 GMC Terrain Sterling Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG3SL329570
    Stock: BG35694
    Listed since: 04-15-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,635 off MSRP!2025 GMC Terrain Sterling Metallic24/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG9SL253658
    Stock: BG35655
    Listed since: 01-22-2025

  • Advertisement

    5 Offers Nearby

    2025 GMC Terrain
    $30,000
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 3 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Summit WhiteSummit White
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,518 off MSRP!2025 GMC Terrain Summit White26/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, including go...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG9SL327211
    Stock: BG35691
    Listed since: 04-16-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,593 off MSRP!2025 GMC Terrain Sterling Metallic24/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG9SL263395
    Stock: BG35662
    Listed since: 02-14-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,593 off MSRP!2025 GMC Terrain Sterling Metallic24/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, includi...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEGXSL285549
    Stock: BG35673
    Listed since: 03-14-2025

    • Exterior color: Ebony Twilight MetallicEbony Twilight Metallic
    • Interior color: After Dark leatheretteAfter Dark leatherette
    • 5 Seats, 26 City / 28 Hwy MPG
    • Lou Fusz Buick GMC (18 mi away)5 out of 5 stars(3)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Saint Louis, MO / 18 miles away from O Fallon, MO

    $1,499 off MSRP!2025 GMC Terrain Ebony Twilight Metallic26/28 City/Highway MPGThe listed Prices do not include additional fees and costs of closing, i...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG1SL297332
    Stock: BG35681L
    Listed since: 03-24-2025

  • Advertisement

    5 Offers Nearby

    2025 GMC Terrain
    $30,000
    starting MSRP
    • 6 Colors
    • 1 Trim
    • 3 Packages
    View Offers 
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After DarkAfter Dark
    • 5 Seats, 26 City / 28 Hwy MPG
    • Laura Buick GMC (39 mi away)5 out of 5 stars(11)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Collinsville, IL / 39 miles away from O Fallon, MO

    #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...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEGXSL319277
    Stock: L254044
    Listed since: 04-17-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After DarkAfter Dark
    • 5 Seats, 26 City / 28 Hwy MPG
    • Laura Buick GMC (39 mi away)5 out of 5 stars(11)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Collinsville, IL / 39 miles away from O Fallon, MO

    #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...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG4SL319808
    Stock: L254051
    Listed since: 04-16-2025

    • Exterior color: Sterling MetallicSterling Metallic
    • Interior color: After DarkAfter Dark
    • 5 Seats, 24 City / 28 Hwy MPG
    • Laura Buick GMC (39 mi away)5 out of 5 stars(11)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Collinsville, IL / 39 miles away from O Fallon, MO

    #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...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG9SL284649
    Stock: L254173
    Listed since: 04-22-2025

    • Exterior color: Summit WhiteSummit White
    • Interior color: After DarkAfter Dark
    • 5 Seats, 26 City / 28 Hwy MPG
    • Laura Buick GMC (39 mi away)5 out of 5 stars(11)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Collinsville, IL / 39 miles away from O Fallon, MO

    #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...

    Features and Specs:

    27 Combined MPG (26 City/28 Highway)

    Listing Information:

    VIN: 3GKALMEG8SL319407
    Stock: L254055
    Listed since: 04-16-2025

    • Exterior color: Volcanic Red TintcoatVolcanic Red Tintcoat
    • Interior color: After Dark clothAfter Dark cloth
    • 5 Seats, 24 City / 28 Hwy MPG
    • Laura Buick GMC (39 mi away)5 out of 5 stars(11)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Collinsville, IL / 39 miles away from O Fallon, MO

    #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...

    Features and Specs:

    25 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALUEG7SL284147
    Stock: L252971
    Listed since: 02-25-2025

Showing 85 - 105 out of 120 listings

Consumer Reviews for the GMC Terrain

Read recent reviews for the GMC Terrain
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5 out of 5 stars

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!
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TrimMPGEngineStarting Price
2026 GMC Terrain undefinedN/AN/A$35,130
2025 GMC Terrain Elevation 4dr SUV AWD (1.5L 4cyl Turbo 8A)24 - 284-cylinders (gas)$33,395
2025 GMC Terrain Elevation 4dr SUV (1.5L 4cyl Turbo CVT)26 - 284-cylinders (gas)$31,890

More about the GMC Terrain

Edmunds has 120 New GMC Terrains for sale near you, including a 2025 Terrain Elevation SUV and a 2026 Terrain AT4 ranging in price from $31,890 to $41,525.

How much is a new 2026 GMC Terrain in O Fallon, MO?

A new 2026 GMC Terrain starts at $31,890 (including destination charge) in O Fallon, MO. 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 does a 2026 GMC Terrain SUV cost in O Fallon, MO?

A new 2026 GMC Terrain SUV starts at $31,890 in O Fallon, MO. Prices will vary depending on what trim level you choose. Each state may have different pricing, so make sure you enter your correct ZIP code on Edmunds.
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