| Attribute |
 Mercedes-Benz A-class Sedan (V177) A 220 4MATIC DCT × |  Seat Leon III ST (facelift 2016) Cupra 2.0 TSI DSG Start-Stop × |
| General | | |
| Make | Mercedes-Benz | Seat |
| Model | A-class | Leon |
| Generation | A-class Sedan (V177) | Leon III ST (facelift 2016) |
| Modification | A 220 4MATIC DCT | Cupra 2.0 TSI DSG Start-Stop |
| Website | https://www.mercedes-benz.com/ | https://www.seat.com/ |
| Number of doors | 4 | 5 |
| Number of seats | 5 | 5 |
| Body type | Sedan | Station wagon (estate) |
| Transmission | automatic dct | automatic dsg |
| Number of gears | 7 | 6 |
| Production from (year) | 2018 | 2017 |
| Performance | | |
| Top speed (km/h) | 237 | 250 |
| Acceleration 0-100 km/h (s) | 7 | 5.9 |
| City consumption (l/100km) | 8.9 | 9.1 |
| Extra-urban consumption (l/100km) | 5.2 | 5.8 |
| Combined consumption (l/100km) | 6.5 | 7 |
| CO2 emissions (g/km) | 149 | 156 |
| Emission standard | EURO VI d | EURO VI |
| Drive | | |
| Drive | All wheel drive (4x4) | Front wheel drive |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Petrol (Gasoline) | Petrol (Gasoline) |
| Max. power (hp) | 190 | 300 |
| Max. torque (Nm) | 300 | 380 |
| Fuel Engine | | |
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 1,991 | 1,984 |
| Compression ratio | 10.5 | 9.3 |
| Max. power @ rpm (rpm) | 5,800 | 5,500 |
| Max. torque @ rpm (rpm) | 1,600 | 1,800 |
| Cylinder bore (mm) | 83 | 82.5 |
| Piston stroke (mm) | 92 | 92.8 |
| Fuel system | Direct injection | Direct injection |
| Turbine | Turbocharger | Turbocharger |
| Fuel tank (l) | 51 | 50 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Independent, spring multi-link with stabilizer | Multi-link independent |
| Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Ventilated discs |
| Tires size | | |
| Turning radius (m) | 11 | 10.5 |
| Dimensions | | |
| Length (mm) | 4,549 | 4,540 |
| Width (mm) | 1,796 | 1,816 |
| Height (mm) | 1,446 | 1,428 |
| Wheelbase (mm) | 2,729 | 2,631 |
| Kerb weight (kg) | 1,445 | 1,365 |
| Gross weight (kg) | 2,050 | 2,040 |
| Minimum boot space (l) | 420 | 587 |
| Front track (mm) | 1,567 | 1,534 |
| Rear track (mm) | 1,567 | 1,508 |
| Ride height (mm) | 104 | - |