2007 Kia Optima vs. 2003 Land Rover Range Rover
To start off, 2007 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Land Rover Range Rover. In addition, the cost of maintenance, including insurance, on 2003 Land Rover Range Rover would be higher. At 4,396 cc (8 cylinders), 2003 Land Rover Range Rover is equipped with a bigger engine. In terms of performance, 2003 Land Rover Range Rover (282 HP @ 5400 RPM) has 97 more horse power than 2007 Kia Optima. (185 HP @ 6000 RPM) In normal driving conditions, 2003 Land Rover Range Rover should accelerate faster than 2007 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2003 Land Rover Range Rover weights approximately 1028 kg more than 2007 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Land Rover Range Rover is four wheel drive (4WD), it will have significant more traction and grip than 2007 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2003 Land Rover Range Rover will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2003 Land Rover Range Rover (440 Nm @ 3600 RPM) has 193 more torque (in Nm) than 2007 Kia Optima. (247 Nm @ 4000 RPM). This means 2003 Land Rover Range Rover will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Optima.
Compare all specifications:
| 2007 Kia Optima | 2003 Land Rover Range Rover | |
| Make | Kia | Land Rover |
| Model | Optima | Range Rover |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2654 cc | 4396 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 282 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 247 Nm | 440 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 86.7 mm | 92 mm |
| Engine Stroke Size | 75 mm | 82.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1487 kg | 2515 kg |
| Vehicle Length | 4740 mm | 4960 mm |
| Vehicle Width | 1810 mm | 2200 mm |
| Vehicle Height | 1490 mm | 1870 mm |
| Wheelbase Size | 2730 mm | 2890 mm |
| Fuel Consumption Overall | 9.4 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 62 L | 100 L |
