The 2026 GMC Acadia is 203.9″ long, 79.5″ wide and 70.9″ tall on a 120.9″ wheelbase, and weighs 4,502 lb. At 17 ft it fits a standard garage and leaves 1 ft spare in an 18-foot street space.
Every GMC Acadia generation, measured
The biggest change came in 2017: the new car was 7.5″ shorter and 542 lb lighter than the 2007–2016 one. The current car, sold since 2024, is 322 lb heavier than the 2017–2023 one.
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2007–2016 | 201.2″ | 78.7″ | 72.8″ | 118.9″ | 4,722 lb |
| 2017–2023 | 193.7″ | 75.6″ | 68.9″ | 112.6″ | 4,180 lb |
| 2024–2026 | 203.9″ | 79.5″ | 70.9″ | 120.9″ | 4,502 lb |
Acadia year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2026 | 203.9″ | 79.5″ | 120.9″ | 1 | |
| 2025 | 203.9″ | 79.5″ | 120.9″ | 1 | |
| 2024 | 203.9″ | 79.5″ | 120.9″ | 1 | |
| 2023 | 193.3″ | 75.6″ | 112.6″ | 3 | |
| 2022 | 193.3″ | 75.6″ | 112.6″ | 3 | |
| 2021 | 193.3″ | 75.6″ | 112.6″ | 3 | |
| 2020 | 193.3″ | 75.6″ | 112.6″ | 3 | |
| 2019 | 193.7″ | 75.6″ | 112.6″ | 2 | |
| 2018 | 193.7″ | 75.6″ | 112.6″ | 2 | |
| 2017 | 193.7″ | 75.6″ | 112.6″ | 2 | |
| 2016 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2015 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2014 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2013 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2012 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2011 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2010 | 201.2″ | 78.7″ | 118.9″ | 2 | |
| 2009 | 201.2″ | 78.7″ | 118.9″ | 1 | |
| 2008 | 201.2″ | 78.7″ | 118.9″ | 1 | |
| 2007 | 201.2″ | 78.7″ | 118.9″ | 1 |
Acadia on the used market
In 1,950 Acadia listings we have collected since June 2026, the 2007–2016 car is the most common: 1,200 of them (62%), at an average asking price of $6,168. The current 2024–2026 car averages $44,130. ForCar visitors have decoded 246 Acadia VINs; the most checked model years are 2023, 2024 and 2026.
| Generation | Listings | Share | Average asking price | Average mileage |
|---|---|---|---|---|
| 2024–2026 | 49 | 3% | $44,130 | 19,640 mi |
| 2017–2023 | 699 | 36% | $15,543 | 103,079 mi |
| 2007–2016 | 1,200 | 62% | $6,168 | 153,242 mi |
Will a Acadia fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 17 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 17 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.6 ft | Room to open doors both sides |
Against cars of the same length
Among the 572 cars within 10″ of its length, the Acadia is wider than 90%.
| Measure | This car | Typical of 572 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 79.5″ | 75.2″ | +4.3″ |
| Wheelbase | 120.9″ | 117.7″ | +3.2″ |
| Curb weight | 4,502 lb | 4,370 lb | +132 lb |
Acadia against its rivals
Next to the Toyota Highlander, Ford Explorer and Dodge Durango, the Acadia is the longest and the widest of the four.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| GMC Acadia (this car) | 2026 | 203.9″ | 79.5″ | 4,502 lb |
| Toyota Highlander | 2026 | 194.9″ | 76″ | 4,370 lb |
| Ford Explorer | 2026 | 198.8″ | 78.7″ | 4,713 lb |
| Dodge Durango | 2026 | 200″ | 76″ | 5,159 lb |
Specs vary by trim. Yours decodes from the VIN.
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Frequently asked questions
Is the 2026 Acadia bigger than the 2025?
No. The 2026 and 2025 Acadia are the same size and weight.
Which Acadia years share the same body?
By our measurements the body changed in 2017 and 2024. Model years inside each range, such as 2024–2026, share the same dimensions; the boundaries are estimated from changes in size.
Which is bigger, the Acadia or the Toyota Highlander?
The 2026 Toyota Highlander is 9.0″ shorter and 132 lb lighter than the 2026 Acadia.
How much does a used Acadia cost?
In our listings collected since June 2026, the average asking price runs from $6,168 for the 2007–2016 car to $44,130 for the 2024–2026 one, across 1,950 listings.
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