Audi RS 3 Sportback (2017 – 2021) vs Mercedes-AMG GLA (2017 – 2020): specs compared
The Audi RS 3 Sportback is the more powerful of the two, with up to 400 hp against 380 hp. It is quicker, reaching 100 km/h in 4.1 s against 4.4 s. The Mercedes-AMG GLA uses less fuel, from 7.4 L/100 km against 8.3 L/100 km. At 4,425 mm, the Mercedes-AMG GLA is 89 mm longer than the Audi RS 3 Sportback.
| Specification |
Audi
RS 3 Sportback
2017 – 2021
|
Mercedes-AMG
GLA
2017 – 2020
|
|---|---|---|
| Overview | ||
| Origin | Germany | Germany |
| Documented years | 2017 – 2021 | 2017 – 2020 |
| Body style | Sportback · Hatchback | — |
| Variants | 1 | 1 |
| Fuel | Petrol | Petrol |
| Drive | AWD | AWD |
| Gearbox | Automatic | Automatic |
| Performance | ||
| Power | 400 hp | 380 hp |
| Torque | 480 Nm | 475 Nm |
| 0–100 km/h | 4.1 s | 4.4 s |
| Top speed | 249 km/h | 249 km/h |
| Economy | ||
| Fuel economy | 8.3 L/100 km | 7.4 L/100 km |
| Dimensions | ||
| Length | 4,336 mm | 4,425 mm |
| Width | 1,801 mm | 1,803 mm |
| Height | 1,412 mm | 1,494 mm |
| Wheelbase | 2,631 mm | 2,700 mm |
| Curb weight | 1,585 kg | 1,585 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

