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  • Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4

    $38,655

    Est. $718/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (17 mi)

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  • Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4

    $39,252

    MSRP $42,045

    Est. $729/mo

    Dave Sinclair Buick GMC

    4.9
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    Saint Louis, MO (20 mi)
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  • Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4

    $38,838

    MSRP $41,590

    Est. $722/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4

    $39,068

    MSRP $41,890

    Est. $726/mo

    Suntrup Buick GMC

    3.9
    Check Availability
    Saint Peters, MO (17 mi)
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  • Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4

    $42,853

    MSRP $45,675

    Est. $796/mo

    Suntrup Buick GMC

    3.9
    Check Availability
    Saint Peters, MO (17 mi)
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  • Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4Ebony Twilight Metallic 2026 GMC Terrain AWD AT4

    $38,838

    MSRP $41,590

    Est. $722/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4

    $40,289

    MSRP $43,185

    Est. $749/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4

    $38,387

    MSRP $41,095

    Est. $713/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4

    $40,289

    MSRP $43,185

    Est. $749/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4

    $41,058

    MSRP $43,880

    Est. $763/mo

    Suntrup Buick GMC

    3.9
    Check Availability
    Saint Peters, MO (17 mi)
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  • Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4Volcanic Red Tintcoat 2026 GMC Terrain AWD AT4

    $39,839

    MSRP $42,690

    Est. $740/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Metallic 2026 GMC Terrain AT4Metallic 2026 GMC Terrain AT4Metallic 2026 GMC Terrain AT4Metallic 2026 GMC Terrain AT4Metallic 2026 GMC Terrain AT4Metallic 2026 GMC Terrain AT4

    $36,215

    Est. $673/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (17 mi)
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  • Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4

    $40,368

    MSRP $43,190

    Est. $750/mo

    Suntrup Buick GMC

    3.9
    Check Availability
    Saint Peters, MO (17 mi)
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  • Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4

    $38,838

    MSRP $41,590

    Est. $722/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4

    $39,702

    MSRP $42,540

    Est. $738/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4Sterling 2026 GMC Terrain AT4

    $36,215

    Est. $673/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (17 mi)
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  • Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4Sterling Metallic 2026 GMC Terrain AWD AT4

    $40,517

    MSRP $43,435

    Est. $753/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (20 mi)
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  • Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4Summit White 2026 GMC Terrain AT4

    $40,563

    MSRP $43,385

    Est. $754/mo

    Suntrup Buick GMC

    3.9
    Check Availability
    Saint Peters, MO (17 mi)
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  • Black 2026 GMC Terrain AT4

    $39,965

    MSRP $42,560

    Est. $743/mo

    Cardinal Buick GMC Inc.

    3.7
    Check Availability
    Belleville, IL (24 mi)
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  • Summit White 2026 GMC Terrain AWD AT4

    $40,986

    Est. $762/mo

    Lou Fusz Buick GMC

    4.5
    Check Availability
    St. Louis, MO (10 mi)
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  • Red 2026 GMC Terrain AT4

    $39,648

    MSRP $42,215

    Est. $737/mo

    Cardinal Buick GMC Inc.

    3.7
    Check Availability
    Belleville, IL (24 mi)
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  • Gray 2026 GMC Terrain AT4

    $39,596

    MSRP $41,830

    Est. $736/mo

    Cardinal Buick GMC Inc.

    3.7
    Check Availability
    Belleville, IL (24 mi)
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  • Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4Summit White 2026 GMC Terrain AWD AT4

    $39,000

    MSRP $42,590

    Est. $725/mo

    Woody Buick GMC of Gurnee

    5.0
    Check Availability
    $414 delivery from Gurnee, IL (277 mi)
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  • White 2026 GMC Terrain AT4White 2026 GMC Terrain AT4White 2026 GMC Terrain AT4White 2026 GMC Terrain AT4White 2026 GMC Terrain AT4White 2026 GMC Terrain AT4

    $35,998

    6,693 mi.
    Est. $669/mo

    CarMax Loveland

    4.4
    Check Availability
    $399 delivery to St. Peters, MO (18 mi)
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About the 2026 GMC Terrain AWD AT4

Basics

AWD AT4 shown.

Seating
5
Door count
4
Drivetrain
All Wheel Drive
Combined MPG
25
Transmission
8-Speed A/T
Engine
175.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2026 GMC Terrain AWD AT4
FAQs

How much does the 2026 GMC Terrain AWD AT4 cost?

The 2026 GMC Terrain AWD AT4 price depends on optional features. Prices typically start at $39,400.

What is the MPG of the 2026 GMC Terrain AWD AT4?

The 2026 GMC Terrain AWD AT4 offers up to 24 MPG in city driving and 26 MPG on the highway for a combined rating of 25 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2026 GMC Terrain AWD AT4?

The 2026 GMC Terrain AWD AT4 compares to and/or competes against the following vehicles:


Is the 2026 GMC Terrain AWD AT4 reliable?

The 2026 GMC Terrain has an average reliability rating of 4.8 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Terrain owners.

Ratings (6 reviews)

83% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.8
Interior
4.8
Performance
4.5
Value
4.0
Exterior
4.8
Reliability
4.8
Trims

AWD AT4 (1 style)

Style
AWD 4dr AT4
Inventory price
Starting at $39,400
Combined MPG
25
Engine
175.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
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2026 GMC Terrain AWD AT4 by city

GMC Terrain trims