Dimensions in detail: from length to boot capacity (2025)
The new Audi A3 Sportback 2025 measures 4,352 mm in length, 1,816 mm in width and 1,415 mm in height. The wheelbase is 2,618 mm. The boot offers a volume of 380 litres, which can be expanded to 1,200 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 | 4,352–4,381 mm |
| Width (excluding mirrors) | 1,816–1,851 mm |
| Width (including mirrors) | 1,984 mm |
| Height | 1,415–1,418 mm |
| Wheelbase | 2,618–2,631 mm |
| Front track | 1,545–1,592 mm |
| Rear track | 1,519–1,526 mm |
| Loading sill height | 656–673 mm |
| Turning circle | 11.1 m |
| Front tires | 205/55 R16–265/30 ZR19 |
| Rear tires | 205/55 R16–245/35 ZR19 |
Interior dimensions and boot volume
| Boot volume | 280–380 litres |
| Boot volume (rear seats folded) | 1,100–1,200 litres |
Differences between versions
The dimensions of the Audi A3 Sportback 2025 vary depending on the version. Below you will find the specific technical specifications.
| Fuel type | Version |
|---|---|
| Petrol | Dimensions A3 Sportback 30 TFSI 116 hp MT |
| Petrol | Dimensions A3 Sportback 35 TFSI 150 hp MT |
| Petrol | Dimensions A3 Sportback S3 333 hp |
| Petrol | Dimensions A3 Sportback RS 3 400 hp AWD |
| Diesel | Dimensions A3 Sportback 30 TDI 116 hp MT |
| Diesel | Dimensions A3 Sportback 35 TDI 150 hp |
| Mild hybrid petrol | Dimensions A3 Sportback 30 TFSI 116 hp |
| Mild hybrid petrol | Dimensions A3 Sportback 35 TFSI 150 hp |
| Plug-in hybrid | Dimensions A3 Sportback 40 TFSI e 204 hp |
| Plug-in hybrid | Dimensions A3 Sportback 45 TFSI e 272 hp |
More information
Comparison of Audi model dimensions
Below is a comparison of the dimensions of the A3 Sportback with other Audi 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 |
|---|---|---|---|---|
| Audi A3 Sportback | 4,352 | 1,816 | 1,415 | 380 |
| Audi A3 Allstreet | 4,353 | 1,816 | 1,457 | 380 |
Frequently Asked Questions
What are the dimensions of the new Audi A3 Sportback?
The Audi A3 Sportback measures 4,352 mm in length, 1,816 mm in width, and 1,415 mm in height. The wheelbase measures 2,618 mm.
What is the boot capacity of the Audi A3 Sportback?
The boot offers 380 litres of space and can expand to a maximum of 1,200 litres when the rear seats are folded down.
What is the turning circle of the Audi A3 Sportback?
The Audi A3 Sportback has a turning circle of 11.1 meters. This is the minimum space required to make a full 360-degree turn.
