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 1,994 cc (4 cylinders), 2004 Rover 45 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 58 more horse power than 2004 Rover 45. (100 HP @ 4200 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 375 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 (250 Nm @ 1500 RPM) has 10 more torque (in Nm) than 2004 Rover 45. (240 Nm @ 2000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Rover 45. 2009 Audi A4 has automatic transmission and 2004 Rover 45 has manual transmission. 2004 Rover 45 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 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 | 1798 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 158 HP | 100 HP |
| Engine RPM | 4500 RPM | 4200 RPM |
| Torque | 250 Nm | 240 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 84.1 mm | 88.9 mm |
| Engine Compression Ratio | 9.6:1 | 19.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 218 km/hour | 185 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1305 kg |
| Vehicle Length | 4710 mm | 4370 mm |
| Vehicle Width | 2010 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2560 mm |
| Fuel Consumption Overall | 7.4 L/100km | 5.3 L/100km |
| Fuel Tank Capacity | 65 L | 55 L |
