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 3,189 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 6500 RPM) has 104 more horse power than 2004 Rover 45. (148 HP @ 6500 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. 2004 Rover 45 weights approximately 445 kg more than 2009 Audi A4.
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 (330 Nm @ 3250 RPM) has 145 more torque (in Nm) than 2004 Rover 45. (185 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 45. 2004 Rover 45 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Rover 45 will be easier to drive especially in heavy traffic.
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 | 3189 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 148 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 330 Nm | 185 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 228 km/hour | 198 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 9.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 895 kg | 1340 kg |
| Vehicle Length | 4550 mm | 4370 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 55 L |
