“Overall I really like the Acadia. My only real complaint is that the gas mileage is so poor.”
2015 GMC Acadia: What's New, Specs & Features
Last updated August 4, 2026

The 2015 GMC Acadia is mostly unchanged, with no redesign or mechanical update. The main change is a newly standard heated steering wheel on SLT-2 and Denali.
About the 2015 GMC Acadia
1st generation (2007-2016), late-cycle year after the 2013 refresh.
GMC positions the 2015 Acadia as a roomy, flexible three-row crossover for families who need space without jumping to a truck-based SUV. Its core strengths are seating for up to eight, a flat-folding cargo area, V6 power, and a more upscale look and cabin feel than many mainstream rivals. The Denali version adds a luxury angle, but the model as a whole is about family hauling, everyday comfort, and big-interior usefulness.
The 2015 Acadia ranges from the straightforward eight-seat SLE-1 to the comfort-focused SLE-2 and leather-trimmed SLT models. Denali is the luxury version, with distinctive styling, heated and cooled front seats, a head-up display, Bose audio, and extra cabin insulation for a quieter ride.
What changed, by category
2015 GMC Acadia specs and features by trim
| Feature | |||||
|---|---|---|---|---|---|
| Engine | V6, 3.6 Liter | V6, 3.6 Liter | V6, 3.6 Liter | V6, 3.6 Liter | V6, 3.6 Liter |
| Transmission | Automatic, 6-Spd | Automatic, 6-Spd | Automatic, 6-Spd | Automatic, 6-Spd | Automatic, 6-Spd |
| Drivetrain | FWD | FWD | AWD | AWD | AWD |
| Fuel Type | Gas | Gas | Gas | Gas | Gas |
| MPG City | 17 mpg | 17 mpg | 17 mpg | 17 mpg | 17 mpg |
| MPG Highway | 24 mpg | 24 mpg | 24 mpg | 24 mpg | 24 mpg |
| Horsepower | 281 hp | 281 hp | 281 hp | 281 hp | 288 hp |
| Torque | 270 lb-ft | 270 lb-ft | 270 lb-ft | 270 lb-ft | 270 lb-ft |
| Max Towing | 5200 lb | 5200 lb | 5200 lb | 5200 lb | 5200 lb |
| Trunk/Cargo | 116.1 cu-ft | 116.1 cu-ft | 116.1 cu-ft | 116.1 cu-ft | 116.1 cu-ft |
| Rear Legroom | 33.2 in | 33.2 in | 33.2 in | 33.2 in | 33.2 in |
| Seats | 8 | 8 | 8 | 8 | 8 |
| Doors | 4 | 4 | 4 | 4 | 4 |
| Blindspot Sensors | |||||
| Lane Departure Warning | |||||
| Rear View Camera | |||||
| Alloy Wheels | |||||
| Auto-Dimming Exterior Mirrors | |||||
| Fog Lights | |||||
| HID Headlights | |||||
| Heated Mirrors | |||||
| Memory Exterior Mirrors | |||||
| Panorama Moon Roof | |||||
| Power Folding Exterior Mirrors | |||||
| Power Liftgate/Trunk Release | |||||
| Rear Spoiler | |||||
| Roof Rails | |||||
| Trailer Hitch Receiver | |||||
| Navigation System | |||||
| Premium Audio | |||||
| Satellite Radio | |||||
| Smartphone Interface | |||||
| Subwoofer | |||||
| Touch Screen Monitor | |||||
| USB Ports | |||||
| Video Input | |||||
| Aluminum Interior Trim | |||||
| Auto-Dimming Interior Mirror | |||||
| Cooled Seats | |||||
| Dual Power Front Seats | |||||
| Heated Front Seats | |||||
| Heated Steering Wheel | |||||
| Integrated Garage Door Opener | |||||
| Leather Seats | |||||
| Memory Driver's Seat | |||||
| Remote Start | |||||
| Third Row Seat | |||||
| Tri-Zone Automatic Air Conditioning | |||||
Frequently asked questions
What changed on the 2015 GMC Acadia compared with the 2014 model?
The 2015 GMC Acadia receives only minor upper-trim equipment changes. SLT-2 and Denali gain a standard heated steering wheel, while navigation changes from standard to optional on SLT-1 and SLT-2.
Was the 2015 GMC Acadia redesigned?
No, the 2015 GMC Acadia was not redesigned. It remains part of the first generation and carries over the body, structure, styling, and trim lineup from 2014.
Did the 2015 GMC Acadia get a new engine or transmission?
No, the 2015 GMC Acadia keeps the same 3.6-liter V6 and six-speed automatic transmission. There was no verified mechanical update for this model year.
Which 2015 GMC Acadia trims have the newly standard heated steering wheel?
The SLT-2 and Denali trims have the heated steering wheel that became standard for 2015. The lower SLE-1, SLE-2, and SLT-1 trims did not receive that change.
Is navigation standard on the 2015 GMC Acadia SLT?
No, navigation is optional rather than standard on both the 2015 Acadia SLT-1 and SLT-2. This is a change from the 2014 equipment setup.
2015 GMC Acadia Reviews
What owners are saying about the 2015 GMC Acadia.
“Seating not very comfortable... Sync with cellphone doesn't work right. Interior chrome finishing pieces always in wrong spot causing sun reflection into your eyes”
“My last GMC was a 1993 Sierra 4x4 pickup. I bought new and sold it in 2012 for $1200 with 263K miles on her!”