Comparison Kia Optima I (facelift 2003) LX 2.4 (140 Hp) Automatic & Kia Niro II 1.6 Smartstream GDI (141 Hp) HEV DCT
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| Brand: | Kia | Kia |
| Model: | Optima | Niro |
| Generation: | Optima I (facelift 2003) | Niro II |
| Engine / modification: | LX 2.4 (140 Hp) Automatic | 1.6 Smartstream GDI (141 Hp) HEV DCT |
| Production start: | 2003 year | 2021 year |
| Production end: | 2003 year | |
| Coupe type: | Sedan | SUV |
| Num. of Doors: | 4 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 4.6-5.1 l/100 km | |
| Fuel consumption / economy - extra urban: | 5.1-5.7 l/100 km | |
| Fuel consumption / economy - combined: | 4.8-5.3 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 65 l | |
| CO2 emissions: | 75-84 g/km | |
| Power: | 140 hp | 105 hp |
| Max power in: | 6000 rpm. | 5700 rpm. |
| Torque: | 199 Nm @ 3000 rpm. | 144 Nm @ 4000 rpm. |
| Model Engine: | G4LE | |
| Engine position: | Front, transverse | |
| Engine displacement: | 2351 cm3 | 1580 cm3 |
| Engine oil capacity: | 4.3 l | |
| Coolant: | 7.3 l | |
| Fuel System: | Multi-point injection | Direct injection |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | |
| Number of cylinders: | 4 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10 | |
| Piston Stroke: | 100 mm | |
| Cylinder Bore: | 86.5 mm | |
| Electric motor power: | 44 | |
| Electric motor Torque: | 170 Nm | |
| System power: | 141 Hp hp/ rpm. | |
| Wheel Drive: | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 4 | 6 DCT |
| Length: | 4719 mm | 4420 mm |
| Width: | 1815 mm | 1825 mm |
| Height: | 1410 mm | 1545 mm |
| Wheelbase: | 2700 mm | 2720 mm |
| Front track: | 1540 mm | 1573-1585 mm |
| Rear (Back) track: | 1520 mm | 1585-1596 mm |
| Minimum volume of Luggage (trunk): | 385 l | 451 l |
| Front suspension: | Wishbone | Independent type McPherson |
| Rear suspension: | Helical spring | Multi-link independent |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1497 kg | 1405-1445 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 10.4 m | |
| Tire size: | 205/60 R15 | 205/60 R16 92H; 225/45 R18 95V |
| Wheel rims size: | R15 | 16; 18 |