Quick answer
The 2026 Aston Martin DBX is 198.4″ long, 78.7″ wide and 66.1″ tall on a 120.5″ wheelbase, and weighs 4,949 lb. At 16.5 ft it fits a standard garage and leaves 1.5 ft spare in an 18-foot street space.
Every Aston Martin DBX generation, measured
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 2020–2026 | 198.4″ | 78.7″ | 66.1″ | 120.5″ | 4,949 lb |
ROWS 1·SOURCE NHTSA vPIC / Transport Canada
DBX year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2026 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2025 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2024 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2023 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2022 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2021 | 198.4″ | 78.7″ | 120.5″ | 1 | |
| 2020 | 198.4″ | 78.7″ | 120.5″ | 1 |
ROWS 7·SOURCE Transport Canada vehicle specifications
Will a DBX fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 16.5 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 16.5 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 6.6 ft | Room to open doors both sides |
ROWS 3·SOURCE ForCar, computed from vehicle dimensions
Against cars of the same length
Among the 821 cars within 10″ of its length, the DBX is heavier than 83% and wider than 88%, and has a longer wheelbase than 85%.
| Measure | This car | Typical of 821 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 78.7″ | 74.4″ | +4.3″ |
| Wheelbase | 120.5″ | 114.6″ | +5.9″ |
| Curb weight | 4,949 lb | 4,180 lb | +769 lb |
ROWS 3·SOURCE ForCar, computed across vehicles of similar length
DBX against its rivals
Next to the Bentley Bentayga, the DBX is the shortest and the lightest of the two.
| Model | Model year | Length | Width | Curb weight |
|---|---|---|---|---|
| Aston Martin DBX (this car) | 2026 | 198.4″ | 78.7″ | 4,949 lb |
| Bentley Bentayga | 2026 | 203.9″ | 78.7″ | 5,564 lb |
ROWS 2·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Frequently asked questions
Is the 2026 DBX bigger than the 2025?
No. The 2026 and 2025 DBX are the same size and weight.
Which is bigger, the DBX or the Bentley Bentayga?
The 2026 Bentley Bentayga is 5.5″ longer and 615 lb heavier than the 2026 DBX.
Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 7 DBX model years, 2020 to 2026. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
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