Technical specifications
| Clear list | Kia Optima (2011-2013) | Mazda 6 (2015-2018) |
| Totals | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Mark | Kia | Mazda |
| Model | Optima (2011-2013) 2.4 | 6 (2015-2018) 2.5 |
| Year | 2011-2013 | 2015-2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | - | 1340 |
| Gross Weight Limit | - | - |
| Top Speed, km/h | 210 | 220 |
| Acceleration 0-100 kph | 9.5 | 7.8 |
| Minimum turning radius, m | - | 6 |
| Cargo Volume, min/max, L | - | 483 |
| Dimensions specifications, mm | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Length | 4845 | 4870 |
| Width | 1830 | 1840 |
| Height | 1455 | 1450 |
| Wheelbase | 2795 | 2830 |
| Front/rear Track | 1591/1591 | 1585/1575 |
| Ground clearance | 145 | 165 |
| Engine specifications | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Type | petrol Injection | Gasoline Direct Injection |
| Displacement, cm3 | 2359 | 2488 |
| Compression ratio | - | 13 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | - | 89х100 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 180/6000 | 192/5700 |
| Max torque, Nm/RPM | 231/4000 | 256/4000 |
| Transmission specifications | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Gearbox | 6-speed automatic | 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 205/65 R16, 215/55 R17, 225/45 R18 | 225/55 R17, 225/45 R19 |
| Disk | 5x114.3 ET45 d67.1
| 5x114.3 ET50 d67.1
|
| Brakes specifications | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Kia Optima (2011-2013) 2.4 × | Mazda 6 (2015-2018) 2.5 × |
| City | 11.4 | 8.5 |
| Highway | 6.2 | 5 |
| Combined | 8.1 | 6.5 |
| Fuel | 95 | 95 |
| Tank, L | 70 | 62 |
| Clear list | Kia Optima (2011-2013) | Mazda 6 (2015-2018) |
