Technical specifications
| Clear list | Kia K900 | Kia Optima |
| Totals | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Mark | Kia | Kia |
| Model | K900 3.3 GDI | Optima 2.0 T-GDI |
| Year | 2018 | 2018 |
| Number of doors/seats | 4/5 | 4/5 |
| Body type | Sedan | Sedan |
| Unladen Weight | 2059 | 1655 |
| Gross Weight Limit | 2550 | 2120 |
| Top Speed, km/h | 240 | 240 |
| Acceleration 0-100 kph | 8.4 | 7.4 |
| Minimum turning radius, m | - | - |
| Cargo Volume, min/max, L | 470 | 510 |
| Dimensions specifications, mm | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Length | 5120 | 4855 |
| Width | 1915 | 1860 |
| Height | 1505 | 1485 |
| Wheelbase | 3105 | 2805 |
| Front/rear Track | 1627/1660 | 1594/1595 |
| Ground clearance | 150 | 155 |
| Engine specifications | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Type | Gasoline Direct Injection | Gasoline Direct Injection, turbocharging |
| Displacement, cm3 | 3342 | 1998 |
| Compression ratio | 12 | 10 |
| Number and arrangement of cylinders | V6 | 4 cylinders, in-line |
| The diameter of the cylinder x stroke, mm | 92x83.8 | 86x86 |
| Number of valves | 24 | 16 |
| Power, hp/rpm | 249/6000 | 245/6000 |
| Max torque, Nm/RPM | 347/5000 | 350/1400-4000 |
| Transmission specifications | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Gearbox | 8-speed automatic | 6-speed automatic |
| Drive Type | All wheel drive | Front wheel drive |
| Suspension specifications | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Front | Upper and lower A-arm (double wishbone) | MacPherson strut |
| Rear | multi-link suspensions | multi-link suspensions |
| Tire Size | 245/50 R18 | 215/55 R17, 235/45 R18 |
| Disk | 5x114.3 ET35 d67.1
| 5x114.3 ET45 d67.1
|
| Brakes specifications | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| Front | Ventilated discs | Ventilated discs |
| Rear | Ventilated discs | Discs |
| Fuel consumption specifications, L/100 km | Kia K900 3.3 GDI × | Kia Optima 2.0 T-GDI × |
| City | - | 12.5 |
| Highway | - | 6.3 |
| Combined | 10.5 | 8.5 |
| Fuel | 95 | 95 |
| Tank, L | 77 | 70 |
| Clear list | Kia K900 | Kia Optima |
