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1620 East Homer Adams Pkwy Alton, IL 62002

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2021 GMC Terrain OVERVIEW Overview Icon

2021 GMC Terrain in Alton

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  • 1.5L Turbocharged Gas Engine
  • 17” Silver painted aluminum wheels
  • Keyless Open and Start
  • Front Pedestrian Braking
2021 GMC Terrain Main Img

2021 GMC Terrain MODELS

  • Terrain SLE

    Terrain SLE

  • Terrain SLT

    Terrain SLT

  • Terrain SL

    Terrain SL

GMC Terrain Dealer in Alton

2021 GMC Terrain PERFORMANCE Performance Icon

2021 GMC Terrain performance

FWD MODE

Improves fuel economy in normal/everyday driving conditions by mechanically disconnecting the rear axle and eliminating the drag it causes.

2021 GMC Terrain performance

AWD MODE

Actively sends power to the front and rear wheels to optimize traction on dry, wet or snow/ice-covered roads.

2021 GMC Terrain performance

OFF-ROAD MODE

Adjusts AWD system, traction control and stability control to improve traction and driving dynamics on dirt, gravel or sand.

2021 GMC Terrain APPEARANCE Appearance Icon

2021 GMC Terrain Appearance Main Img
2021 GMC Terrain appearance

HEADLAMPS

High-Intensity Discharge (HID) headlamps provide a powerful and distinct front profile. Engineered to stand out, LED headlamps with signature C-shape design help cut through darkness. Standard on all trims.

2021 GMC Terrain appearance

TAILLAMPS

The same signature C-shape lighting design flows from front to back, guaranteeing that the Terrain crossover looks just as impactful going as it does coming.

2021 GMC Terrain appearance

FOG LAMPS

Terrain Denali features halogen fog lamps to help illuminate the road ahead in foggy or low-visibility conditions.

2021 GMC Terrain COMFORT Comfort Icon

2021 GMC Terrain comfort

HANDS-FREE PROGRAMMABLE POWER LIFTGATE

When your hands are full, the Terrain's hands-free programmable power liftgate can be activated by simply kicking your foot underneath the left-hand side of the rear bumper. Standard on SLT and Denali.

2021 GMC Terrain comfort

ROOM FOR EVERYONE & EVERYTHING

With Terrain’s versatile seating, this luxury small SUV has the space to transport the whole family, as well as objects up to 8 feet long.

2021 GMC Terrain comfort

BUILT-IN NAVIGATION

Terrain’s exceptional Navigation helps guide you to your destination using the most efficient ways possible. Available on SLE and SLT. Standard on Denali.

2021 GMC Terrain comfort

4G LTE WI-FI® HOTSPOT

Stay connected to the internet, stream videos, listen to your favorite music and more with Terrain’s available 4G LTE Wi-Fi Hotspot. Connecting up to seven mobile devices at once won’t use up your smartphone’s data plan. Denali model shown.

2021 GMC Terrain SAFETY & WARRANTY Safety Icon

PRO GRADE PROTECTION

Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:

  • 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
  • 5-year / 60,000-mile Powertrain Limited Warranty
  • 5-year / 60,000-mile Roadside Assistance & Courtesy Transportation
  • 3-year / 36,000-mile Corrosion Protection
  • 6-year / 100,000-mile Rust-Through Protection
  • First maintenance visit
2021 GMC Terrain Safety Main Img
2021 GMC Terrain safety

LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT

This safety feature can provide side-mirror visual alerts when a detected moving vehicle is quickly approaching or is in your side blind zone. It can help you avoid lane change collisions.

2021 GMC Terrain safety

REAR PARK ASSIST

Can provide distance alerts to nearby detected objects behind your vehicle to help you park and avoid collisions when you’re in Reverse at low speeds.

2021 GMC Terrain safety

REAR CROSS TRAFFIC ALERT

Can warn you if vehicles are detected approaching from the right or left behind you when in reverse.

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