Technical specifications
| Clear list | Alfa Romeo 159 (2009-2011) | Mazda 6 (2015-2018) |
| Totals | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Mark | Alfa Romeo | Mazda |
| Model | 159 (2009-2011) 1.8 TBi | 6 (2015-2018) 2.5 |
| Year | 2009 | 2015-2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 1430 | 1340 |
| Gross Weight Limit | - | - |
| Top Speed, km/h | 235 | 220 |
| Acceleration 0-100 kph | 7.7 | 7.8 |
| Minimum turning radius, m | - | 6 |
| Cargo Volume, min/max, L | - | 483 |
| Dimensions specifications, mm | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Length | 4660 | 4870 |
| Width | 1828 | 1840 |
| Height | 1422 | 1450 |
| Wheelbase | 2700 | 2830 |
| Front/rear Track | 1578/1555 | 1585/1575 |
| Ground clearance | - | 165 |
| Engine specifications | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection |
| Displacement, cm3 | 1742 | 2488 |
| Compression ratio | 9.5 | 13 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 83х80.5 | 89х100 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 200/5000 | 192/5700 |
| Max torque, Nm/RPM | 320/2000 | 256/4000 |
| Transmission specifications | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Gearbox | 6-speed manual | 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 205/55 R16, 225/50 R17 | 225/55 R17, 225/45 R19 |
| Disk | 5x110 ET34 d65.1
| 5x114.3 ET50 d67.1
|
| Brakes specifications | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Alfa Romeo 159 (2009-2011) 1.8 TBi × | Mazda 6 (2015-2018) 2.5 × |
| City | 11.8 | 8.5 |
| Highway | 6 | 5 |
| Combined | 8.1 | 6.5 |
| Fuel | 95 | 95 |
| Tank, L | 70 | 62 |
| Clear list | Alfa Romeo 159 (2009-2011) | Mazda 6 (2015-2018) |
