Technical specifications
| Clear list | Infiniti Q50 | Alfa Romeo 159 (2009-2011) |
| Totals | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Mark | Infiniti | Alfa Romeo |
| Model | Q50 2.0t | 159 (2009-2011) 1.8 TBi |
| Year | 2017 | 2009 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 1717 | 1430 |
| Gross Weight Limit | - | - |
| Top Speed, km/h | 245 | 235 |
| Acceleration 0-100 kph | 7.3 | 7.7 |
| Minimum turning radius, m | 5.6 | - |
| Cargo Volume, min/max, L | 500 | - |
| Dimensions specifications, mm | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Length | 4810 | 4660 |
| Width | 1820 | 1828 |
| Height | 1445 | 1422 |
| Wheelbase | 2850 | 2700 |
| Front/rear Track | 1545/1565 | 1578/1555 |
| Ground clearance | 126 | - |
| Engine specifications | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 1991 | 1742 |
| Compression ratio | 9.8 | 9.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 83x92 | 83х80.5 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 211/5500 | 200/5000 |
| Max torque, Nm/RPM | 350/1250-3500 | 320/2000 |
| Transmission specifications | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Gearbox | 7-speed automatic | 6-speed manual |
| Drive Type | Rear wheel drive | Front wheel drive |
| Suspension specifications | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Front | Upper and lower A-arm (double wishbone) | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 225/50 R18 | 205/55 R16, 225/50 R17 |
| Disk | 5x114.3 ET45 d66.1
| 5x110 ET34 d65.1
|
| Brakes specifications | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Ventilated discs | Discs |
| Fuel consumption specifications, L/100 km | Infiniti Q50 2.0t × | Alfa Romeo 159 (2009-2011) 1.8 TBi × |
| City | 9.3 | 11.8 |
| Highway | 5.7 | 6 |
| Combined | 7 | 8.1 |
| Fuel | 95 | 95 |
| Tank, L | 80 | 70 |
| Clear list | Infiniti Q50 | Alfa Romeo 159 (2009-2011) |
