Technical specifications
| Clear list | Kia Optima (2016-2018) | Mazda 6 |
| Totals | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Mark | Kia | Mazda |
| Model | Optima (2016-2018) 2.0 T-GDI | 6 2.5 Turbo |
| Year | 2016-2018 | 2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | - | 1578 |
| Gross Weight Limit | - | 2095 |
| Top Speed, km/h | 240 | 239 |
| Acceleration 0-100 kph | 7.5 | 7 |
| Minimum turning radius, m | - | 6 |
| Cargo Volume, min/max, L | 510 | 480 |
| Dimensions specifications, mm | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Length | 4855 | 4870 |
| Width | 1860 | 1840 |
| Height | 1465 | 1450 |
| Wheelbase | 2805 | 2830 |
| Front/rear Track | 1607/1614 | 1585/1575 |
| Ground clearance | 135 | 165 |
| Engine specifications | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Type | Gasoline Direct Injection, turbocharging | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 1998 | 2488 |
| Compression ratio | 10 | 10.5 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 86x86 | 89x100 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 247/6000 | 231/5000 |
| Max torque, Nm/RPM | 354/1350-6000 | 420/2000 |
| Transmission specifications | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Gearbox | 6-speed automatic | 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 235/45 R18 | 225/45 R19 |
| Disk | 5x114.3 ET45 d67.1
| 5x114.3 ET50 d67.1
|
| Brakes specifications | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Kia Optima (2016-2018) 2.0 T-GDI × | Mazda 6 2.5 Turbo × |
| City | 11.8 | 10.7 |
| Highway | 6.1 | 5.9 |
| Combined | 8.2 | 7.7 |
| Fuel | 95 | 95 |
| Tank, L | 70 | 62 |
| Clear list | Kia Optima (2016-2018) | Mazda 6 |
