Comparison of Mazda 6 III Sedan (GJ, facelift 2018) 2.5 SKYACTIV-G and Kia Optima IV (facelift 2018) 2.4 GDI Automatic [S]ave
| Attribute |  Mazda 6 III Sedan (GJ, facelift 2018) 2.5 SKYACTIV-G × |  Kia Optima IV (facelift 2018) 2.4 GDI Automatic × |
|---|---|---|
| General | ||
| Make | Mazda | Kia |
| Model | 6 | Optima |
| Generation | 6 III Sedan (GJ, facelift 2018) | Optima IV (facelift 2018) |
| Modification | 2.5 SKYACTIV-G | 2.4 GDI Automatic |
| Website | https://www.mazda.com/ | https://www.kia.com |
| Number of doors | 4 | 4 |
| Number of seats | 5 | 5 |
| Body type | Sedan | Sedan |
| Transmission | manual | automatic |
| Number of gears | 6 | 6 |
| Production from (year) | 2018 | 2018 |
| Performance | ||
| City consumption (l/100km) | 9.8 | 9.4 |
| Extra-urban consumption (l/100km) | 7.1 | 6.7 |
| Combined consumption (l/100km) | 8.7 | 8.1 |
| Drive | ||
| Drive | Front wheel drive | Front wheel drive |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Petrol (Gasoline) | Petrol (Gasoline) |
| Max. power (hp) | 187 | 185 |
| Max. torque (Nm) | 252 | 241 |
| Fuel Engine | ||
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 2,488 | 2,359 |
| Compression ratio | 13 | 11.3 |
| Max. power @ rpm (rpm) | 6,000 | 6,000 |
| Max. torque @ rpm (rpm) | 4,000 | 4,000 |
| Cylinder bore (mm) | 89 | 88 |
| Piston stroke (mm) | 100 | 97 |
| Fuel system | Direct injection | Direct injection |
| Valve control | Dohc-vvt | Dohc |
| Fuel tank (l) | 62 | 70 |
| Chassis | ||
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Independent, spring multi-link with stabilizer | Independent, spring multi-link with stabilizer |
| Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Disc | Disc |
| Tires size |
|
|
| Turning radius (m) | - | 10.9 |
| Dimensions | ||
| Length (mm) | 4,895 | 4,854 |
| Width (mm) | 1,839 | 1,859 |
| Height (mm) | 1,450 | 1,466 |
| Wheelbase (mm) | 2,830 | 2,804 |
| Kerb weight (kg) | 1,509 | 1,465 |
| Minimum boot space (l) | 416 | 450 |
| Front track (mm) | 1,585 | 1,603 |
| Rear track (mm) | 1,575 | 1,610 |
| Ride height (mm) | 165 | 135 |
| Drag coefficient (Cd) | - | 0.27 |
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