Dimensions in detail: from length to boot capacity (2026)
The new Audi Q3 Sportback 2026 measures 4,531 mm in length, 1,859 mm in width and 1,546 mm in height. The wheelbase is 2,678 mm. The boot offers a volume of 488 litres, which can be expanded to 1,289 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 | 4,531 mm |
| Width (excluding mirrors) | 1,859 mm |
| Width (including mirrors) | 2,087 mm |
| Height | 1,546 mm |
| Wheelbase | 2,678 mm |
| Front track | 1,588 mm |
| Rear track | 1,581 mm |
| Loading sill height | 759 mm |
| Turning circle | 11.8 m |
| Front tires | 235/55 R18 |
| Rear tires | 235/55 R18 |
Interior dimensions and boot volume
| Boot volume | 488 litres |
| Boot volume (rear seats folded) | 1,289 litres |
Differences between versions
The dimensions of the Audi Q3 Sportback 2026 vary depending on the version. Below you will find the specific technical specifications.
| Fuel type | Version |
|---|---|
| Petrol | Dimensions Q3 Sportback TFSI quattro 150 kW 204 hp AWD |
| Petrol | Dimensions Q3 Sportback TFSI quattro 195 kW 265 hp AWD |
| Diesel | Dimensions Q3 Sportback TDI 110 kW 150 hp |
| Mild hybrid petrol | Dimensions Q3 Sportback TFSI 110 kW 150 hp |
More information
Comparison of Audi model dimensions
Below is a comparison of the dimensions of the Q3 Sportback with other Audi models in the same segment, as well as with slightly larger and smaller models available in 2026.
| Model | Length in mm | Width in mm | Height in mm | Boot in litres |
|---|---|---|---|---|
| Audi Q2 | 4,208 | 1,794 | 1,537 | 405 |
| Audi Q3 | 4,531 | 1,859 | 1,588 | 488 |
| Audi Q3 Sportback | 4,531 | 1,859 | 1,546 | 488 |
| Audi Q4 e-tron | 4,588 | 1,865 | 1,599 | 520 |
| Audi Q4 Sportback e-tron | 4,588 | 1,865 | 1,581 | 535 |
| Audi Q5 | 4,717 | 1,900 | 1,625 | 520 |
| Audi Q5 Sportback | 4,717 | 1,900 | 1,619 | 515 |
| Audi Q6 e-tron | 4,771 | 1,939 | 1,648 | 526 |
Frequently Asked Questions
What are the dimensions of the new Audi Q3 Sportback?
The Audi Q3 Sportback measures 4,531 mm in length, 1,859 mm in width, and 1,546 mm in height. The wheelbase measures 2,678 mm.
What is the boot capacity of the Audi Q3 Sportback?
The boot offers 488 litres of space and can expand to a maximum of 1,289 litres when the rear seats are folded down.
What is the turning circle of the Audi Q3 Sportback?
The Audi Q3 Sportback has a turning circle of 11.8 meters. This is the minimum space required to make a full 360-degree turn.
