2009 Audi A4 vs. 2008 Rover 45
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Rover 45. In addition, the cost of maintenance, including insurance, on 2008 Rover 45 would be higher. At 1,997 cc (6 cylinders), 2008 Rover 45 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 10 more horse power than 2008 Rover 45. (148 HP @ 6500 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2008 Rover 45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 130 kg more than 2008 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 (250 Nm @ 1500 RPM) has 65 more torque (in Nm) than 2008 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 2008 Rover 45. 2008 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. 2008 Rover 45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 Rover 45 | |
| Make | Audi | Rover |
| Model | A4 | 45 |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1797 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 148 HP |
| Engine RPM | 4500 RPM | 6500 RPM |
| Torque | 250 Nm | 185 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 80 mm |
| Engine Stroke Size | 84.1 mm | 66.2 mm |
| Engine Compression Ratio | 9.6:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 203 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 9.8 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1340 kg |
| Vehicle Length | 4710 mm | 4370 mm |
| Vehicle Width | 1830 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2630 mm |
| Fuel Consumption Overall | 7.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 65 L | 55 L |
