Technical specifications
| Clear list | Seat Leon (2009-2012) | Alfa Romeo Giulietta |
| Totals | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Mark | Seat | Alfa Romeo |
| Model | Leon (2009-2012) 1.6 | Giulietta 1.6 JTDM |
| Year | 2009-2012 | 2010 |
| Number of doors/seats | 5/5 | 5/5 |
| Body type | Hatch | Hatch |
| Unladen Weight | 1205 | 1385 |
| Gross Weight Limit | 1783 | - |
| Top Speed, km/h | 184 | 185 |
| Acceleration 0-100 kph | 11.7 | 11.3 |
| Minimum turning radius, m | 5.4 | - |
| Cargo Volume, min/max, L | 341/1166 | 350/1045 |
| Dimensions specifications, mm | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Length | 4315 | 4351 |
| Width | 1768 | 1798 |
| Height | 1445 | 1465 |
| Wheelbase | 2578 | 2634 |
| Front/rear Track | 1541/1517 | 1554/1554 |
| Ground clearance | - | - |
| Engine specifications | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Type | petrol Injection | turbo diesel Common Rail |
| Displacement, cm3 | 1595 | 1598 |
| Compression ratio | 10.3 | 16.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 81x77.4 | 79.5х80.5 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 102/5600 | 105/4000 |
| Max torque, Nm/RPM | 148/3800 | 320/1750 |
| Transmission specifications | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Gearbox | 5-speed manual | 6-speed manual |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 195/65/15, 205/55/16, 225/45/17, 225/40/18 | 205/55 R16 |
| Disk | 5x112 ET50 d57.1
| 5x110 ET41 d65.1
|
| Brakes specifications | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Seat Leon (2009-2012) 1.6 × | Alfa Romeo Giulietta 1.6 JTDM × |
| City | 9.9 | 5.5 |
| Highway | 5.6 | 3.7 |
| Combined | 7.2 | 4.4 |
| Fuel | 95 | Diesel |
| Tank, L | 55 | 60 |
| Clear list | Seat Leon (2009-2012) | Alfa Romeo Giulietta |
