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1620 East Homer Adams Pkwy Alton, IL 62002

2015 GMC Terrain Denali OVERVIEW Overview Icon

2015 GMC Terrain Denali in Alton

The 2015 Terrain Denali is engineered to bring a higher level of technology and performance to our already capable and efficient compact SUV.

  • Grille, Denali-specific with satin chrome surround
  • Wheels, 18" aluminum
  • OnStar® with 4G LTE
  • Pioneer® premium 8-speaker system
  • Steering wheel, leather-wrapped
2015 GMC Terrain Denali Main Img

GMC Terrain Denali Dealer in Alton

2015 GMC Terrain Denali PERFORMANCE Performance Icon

2015 GMC Terrain Denali performance

Agility and Control

Terrain Denali’s fully independent sport tuned suspension helps deliver a smooth, premium ride. It’s tuned for optimum ride and comfort. Advanced Dual-Flow Valving, exclusive on Terrain Denali front suspension, provides a smoother ride and improved handling across a broad range of driving conditions.

2015 GMC Terrain Denali performance

2.4L DOHC 4-cylinder SIDI engine

SIDI (Spark Ignition Direct Injection) paired with a fuel-saving 6-speed automatic transmission means up to 600 highway miles between fill-ups. Variable Valve Timing (VVT) lets you have both efficiency and power.

2015 GMC Terrain Denali APPEARANCE Appearance Icon

2015 GMC Terrain Denali appearance


Its tailored toughness and distinguished features are a true testament to the passionate craftsmanship that goes into every detail.

2015 GMC Terrain Denali COMFORT Comfort Icon

2015 GMC Terrain Denali comfort

A Higher Standard of Style

Step into Terrain Denali refinement and experience the kind of upgrades that put Terrain Denali in a class by itself. Soft-touch leather and wood accents provide a premium look and feel to the interior.

2015 GMC Terrain Denali comfort

Denali Distinction

The understated luxury that is Denali is apparent throughout the interior and highlighted by the illuminated Denali sill plates.

2015 GMC Terrain Denali comfort

Comfort and Control

The 2015 Terrain Denali places a premium on driver and passenger comfort with such standard features as:

- 8-way power driver and front passenger seats
- Contrast-stitching outline perforated leather-appointed seating

2015 GMC Terrain Denali comfort


The 2015 Terrain Denali will offer OnStar® 4G LTE built-in available Wi-Fi® hotspot. You can stay connected to the internet on the go. It’s ready to connect to your devices, giving you an integrated and customizable in-vehicle experience. You get all this, plus everything you already love about OnStar®.

2015 GMC Terrain Denali SAFETY & WARRANTY Safety Icon


  • 3-year / 36,000-mile Bumper-to-Bumper Limited Warranty
  • 5-year / 100,000-mile Powertrain Limited Warranty
  • 3-year / 36,000-mile Corrosion Protection
  • 6-year / 100,000-mile Rust-Through Protection
  • 5-year / 100,000-mile Roadside Assistance
  • 2-year / 24,000-mile Maintenance
2015 GMC Terrain Denali Safety Main Img
2015 GMC Terrain Denali safety


Forward Collision Alert uses digital imaging technology and software to warn you with audible and visual alerts, if it appears that a collision may be imminent. Lane Departure Warning senses when you have drifted out of your lane and gives you an audible and visual alert.

2015 GMC Terrain Denali safety


Every Terrain Denali comes standard with a 6-month trial subscription to OnStar’s® Directions & Connections Plan. The plan includes: Automatic Crash Response, Turn-by-turn Navigation, Roadside Assistance, Emergency Services Link and Remote Door Unlock.

2015 GMC Terrain Denali safety


These exclusive Denali safety technologies match smart engineering with driver-centric safety, using radar to watch where you can’t. When a car enters your blind zone, it displays a signal in your outside mirror. When backing out in a busy parking lot, it warns of vehicles approaching with an icon in the Color Touch Radio screen.

2015 GMC Terrain Denali safety


The 2015 Terrain Denali is engineered to deliver exceptional safety. From the underlying strength and energy absorption of the reinforced steel safety cage to the peace of mind offered by head curtain side-impact air bags, Terrain Denali has you surrounded by safety features.

We're sorry, but we do not have a 2015 GMC Terrain Denali in our current inventory.

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