| Attribute |
Alfa Romeo Giulietta (Type 940 facelift 2016) 2.0 JTD TCT × | 
Seat Leon III (facelift 2016) FR 2.0 TDI DSG × |
| General | | |
| Make | Alfa Romeo | Seat |
| Model | Giulietta | Leon |
| Generation | Giulietta (Type 940 facelift 2016) | Leon III (facelift 2016) |
| Modification | 2.0 JTD TCT | FR 2.0 TDI DSG |
| Website | https://www.alfaromeo.com/ | https://www.seat.com/ |
| Number of doors | 5 | 5 |
| Number of seats | 5 | 5 |
| Body type | Hatchback | Hatchback |
| Transmission | automatic | automatic dsg |
| Number of gears | 6 | 6 |
| Production from (year) | 2019 | 2016 |
| Performance | | |
| Top speed (km/h) | 214 | 226 |
| Acceleration 0-100 km/h (s) | 8.3 | 7.5 |
| City consumption (l/100km) | 6.2 | - |
| Extra-urban consumption (l/100km) | 4.2 | - |
| Combined consumption (l/100km) | 4.9 | 4.6 |
| CO2 emissions (g/km) | 130 | 120 |
| Emission standard | EURO VId-Temp | EURO VI |
| Drive | | |
| Drive | Front wheel drive | Front wheel drive |
| Engine type | Fuel engine | - |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Diesel | Diesel |
| Max. power (hp) | 170 | 184 |
| Max. torque (Nm) | 350 | 380 |
| Fuel Engine | | |
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 1,956 | 1,968 |
| Compression ratio | 16.5 | 15.8 |
| Max. power @ rpm (rpm) | 3,750 | 3,500 |
| Max. torque @ rpm (rpm) | 1,750 | 1,750 |
| Cylinder bore (mm) | 83 | 81 |
| Piston stroke (mm) | 90.4 | 95.5 |
| Fuel system | Diesel Commonrail | Diesel Commonrail |
| Valve control | Dohc | - |
| Turbine | Turbocharger / Intercooler | Turbocharger / Intercooler |
| Catalyst | Particulate filter | - |
| Fuel tank (l) | 60 | 50 |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Multi-link independent, Transverse stabilizer | Multi-link independent |
| Front suspension | Coil springs | - |
| Rear suspension | Coil springs | - |
| Front stabilizer | + | - |
| Rear stabilizer | + | - |
| Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs, 305 | Ventilated discs |
| Rear brakes | Disc, 264 | Disc |
| Tires size | | - 225/35 R19
- 225/40 R18
- 225/45 R17
|
| Turning radius (m) | 10.9 | 10.3 |
| Dimensions | | |
| Length (mm) | 4,351 | 4,281 |
| Width (mm) | 1,798 | 1,816 |
| Height (mm) | 1,465 | 1,444 |
| Wheelbase (mm) | 2,634 | 2,634 |
| Kerb weight (kg) | 1,410 | 1,315 |
| Gross weight (kg) | 1,920 | 1,900 |
| Minimum boot space (l) | 350 | 380 |
| Max. roof load (kg) | 50 | - |
| Front track (mm) | 1,554 | 1,534 |
| Rear track (mm) | 1,554 | 1,511 |