Technical specifications
| Clear list | Kia Optima | Mazda 6 |
| Totals | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Mark | Kia | Mazda |
| Model | Optima 2.4 | 6 2.5 |
| Year | 2018 | 2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 1575 | 1426 |
| Gross Weight Limit | 2050 | 2095 |
| Top Speed, km/h | 210 | 223 |
| Acceleration 0-100 kph | 9.1 | 8.1 |
| Minimum turning radius, m | - | 6 |
| Cargo Volume, min/max, L | 510 | 480 |
| Dimensions specifications, mm | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Length | 4855 | 4870 |
| Width | 1860 | 1840 |
| Height | 1485 | 1450 |
| Wheelbase | 2805 | 2830 |
| Front/rear Track | 1594/1595 | 1585/1575 |
| Ground clearance | 155 | 165 |
| Engine specifications | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Type | petrol Injection | Gasoline Direct Injection |
| Displacement, cm3 | 2360 | 2488 |
| Compression ratio | 11.3 | 13 |
| Number and arrangement of cylinders | 4 cylinders, in-line | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 88x97 | 89x100 |
| Number of valves | 16 | 16 |
| Power, hp/rpm | 188/6000 | 194/5700 |
| Max torque, Nm/RPM | 242/4000 | 258/4000 |
| Transmission specifications | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Gearbox | 6-speed automatic | 6-speed automatic |
| Drive Type | Front wheel drive | Front wheel drive |
| Suspension specifications | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Front | MacPherson strut | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 215/60 R16, 215/55 R17 | 225/45 R19 |
| Disk | 5x114.3 ET45 d67.1
| 5x114.3 ET50 d67.1
|
| Brakes specifications | Kia Optima 2.4 × | Mazda 6 2.5 × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Discs | Discs |
| Fuel consumption specifications, L/100 km | Kia Optima 2.4 × | Mazda 6 2.5 × |
| City | 12 | 8.8 |
| Highway | 6.2 | 5.5 |
| Combined | 8.3 | 6.7 |
| Fuel | 95 | 95 |
| Tank, L | 70 | 62 |
| Clear list | Kia Optima | Mazda 6 |
