2007 Audi R8 vs. 2003 Rover 45
To start off, 2007 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Rover 45. In addition, the cost of maintenance, including insurance, on 2003 Rover 45 would be higher. At 4,163 cc (8 cylinders), 2007 Audi R8 is equipped with a bigger engine. In terms of performance, 2007 Audi R8 (414 HP @ 7800 RPM) has 312 more horse power than 2003 Rover 45. (102 HP @ 6300 RPM). In normal driving conditions, 2007 Audi R8 should accelerate faster than 2003 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi R8 weights approximately 455 kg more than 2003 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Rover 45. In wet, icy, snow, or gravel driving conditions, 2007 Audi R8 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, 2007 Audi R8 (430 Nm @ 4500 RPM) has 307 more torque (in Nm) than 2003 Rover 45. (123 Nm @ 5000 RPM). This means 2007 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Rover 45.
Compare all specifications:
| 2007 Audi R8 | 2003 Rover 45 | |
| Make | Audi | Rover |
| Model | R8 | 45 |
| Year Released | 2007 | 2003 |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1396 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 102 HP |
| Engine RPM | 7800 RPM | 6300 RPM |
| Torque | 430 Nm | 123 Nm |
| Torque RPM | 4500 RPM | 5000 RPM |
| Engine Bore Size | 84.5 mm | 75 mm |
| Engine Stroke Size | 92.8 mm | 79 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1565 kg | 1110 kg |
| Vehicle Length | 4590 mm | 4370 mm |
| Vehicle Width | 1910 mm | 1700 mm |
| Vehicle Height | 1260 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Tank Capacity | 75 L | 54 L |
