2009 Audi S5 vs. 2005 Rover 45
To start off, 2009 Audi S5 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Rover 45. In addition, the cost of maintenance, including insurance, on 2005 Rover 45 would be higher. At 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 239 more horse power than 2005 Rover 45. (115 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S5 should accelerate faster than 2005 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 635 kg more than 2005 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Rover 45. In wet, icy, snow, or gravel driving conditions, 2009 Audi S5 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, 2009 Audi S5 (441 Nm @ 3500 RPM) has 303 more torque (in Nm) than 2005 Rover 45. (138 Nm @ 4500 RPM). This means 2009 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Rover 45.
Compare all specifications:
| 2009 Audi S5 | 2005 Rover 45 | |
| Make | Audi | Rover |
| Model | S5 | 45 |
| Year Released | 2009 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1586 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 354 HP | 115 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 441 Nm | 138 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 80 mm |
| Engine Stroke Size | 92.8 mm | 79 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1770 kg | 1135 kg |
| Vehicle Length | 4640 mm | 4550 mm |
| Vehicle Width | 1990 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2630 mm |
| Fuel Tank Capacity | 63 L | 55 L |
