2009 Audi A4 vs. 2004 Rover 45
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Rover 45. In addition, the cost of maintenance, including insurance, on 2004 Rover 45 would be higher. At 1,796 cc (4 cylinders), 2004 Rover 45 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 5700 RPM) has 46 more horse power than 2004 Rover 45. (115 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2004 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 160 kg more than 2004 Rover 45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 A4 (225 Nm @ 1950 RPM) has 65 more torque (in Nm) than 2004 Rover 45. (160 Nm @ 2750 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 45.
Compare all specifications:
| 2009 Audi A4 | 2004 Rover 45 | |
| Make | Audi | Rover |
| Model | A4 | 45 |
| Year Released | 2009 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 115 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 225 Nm | 160 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Engine Bore Size | 81.1 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 89.3 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.6 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1390 kg | 1230 kg |
| Vehicle Length | 4590 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2650 mm | 2630 mm |
| Fuel Consumption Overall | 8.2 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
