Dimensions in detail: from length to boot capacity (2025)
The new Smart 3 2025 measures 4,400 mm in length, 1,844 mm in width and 1,556 mm in height. The wheelbase is 2,785 mm. The boot offers a volume of 370 litres, which can be expanded to 1,160 litres with the rear seats folded down. The ground clearance is millimetres. This refers to the distance between the lowest point under the vehicle and the ground surface.
Exterior dimensions
| Length | 4,400 mm |
| Width (excluding mirrors) | 1,844 mm |
| Width (including mirrors) | 2,045 mm |
| Height | 1,556 mm |
| Wheelbase | 2,785 mm |
| Front track | 1,584 mm |
| Rear track | 1,601 mm |
| Front overhang | 786 mm |
| Rear overhang | 829 mm |
| Turning circle | 11 m |
| Front tires | 245/45 R20 |
| Rear tires | 245/45 R20 |
| Ground clearance | 160 mm |
Interior dimensions and boot volume
| Boot volume | 370 litres |
| Boot volume (rear seats folded) | 1,160 litres |
Differences between versions
The dimensions of the Smart 3 2025 vary depending on the version. Below you will find the specific technical specifications.
| Fuel type | Version |
|---|---|
| Electric | Dimensions 3 25th Anniversary Edition 272 hp |
| Electric | Dimensions 3 Premium 272 hp |
| Electric | Dimensions 3 Pro Plus 272 hp |
| Electric | Dimensions 3 Pro 272 hp |
| Electric | Dimensions 3 Brabus 428 hp AWD |
More information
Comparison of Smart model dimensions
Below is a comparison of the dimensions of the 3 with other Smart models in the same segment, as well as with slightly larger and smaller models available in 2025.
| Model | Length in mm | Width in mm | Height in mm | Boot in litres |
|---|---|---|---|---|
| Smart 1 | 4,270 | 1,822 | 1,636 | 986 |
| Smart 3 | 4,400 | 1,844 | 1,556 | 370 |
Frequently Asked Questions
What are the dimensions of the new Smart 3?
The Smart 3 measures 4,400 mm in length, 1,844 mm in width, and 1,556 mm in height. The wheelbase measures 2,785 mm.
What is the boot capacity of the Smart 3?
The boot offers 370 litres of space and can expand to a maximum of 1,160 litres when the rear seats are folded down.
What is the turning circle of the Smart 3?
The Smart 3 has a turning circle of 11 meters. This is the minimum space required to make a full 360-degree turn.
What is the ground clearance of the Smart 3?
The Smart 3 has a ground clearance of 160 millimetres. This refers to the distance between the lowest point of the vehicle and the road surface.
