2009 Audi A4 vs. 2004 Vauxhall Astra
To start off, 2009 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Vauxhall Astra. In addition, the cost of maintenance, including insurance, on 2004 Vauxhall Astra would be higher. At 1,797 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (158 HP @ 4500 RPM) has 69 more horse power than 2004 Vauxhall Astra. (89 HP @ 5600 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2004 Vauxhall Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 240 kg more than 2004 Vauxhall Astra. 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 122 more torque (in Nm) than 2004 Vauxhall Astra. (128 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Vauxhall Astra.
Compare all specifications:
| 2009 Audi A4 | 2004 Vauxhall Astra | |
| Make | Audi | Vauxhall |
| Model | A4 | Astra |
| Year Released | 2009 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1797 cc | 1389 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 158 HP | 89 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 250 Nm | 128 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1470 kg | 1230 kg |
| Vehicle Length | 4710 mm | 4260 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2620 mm |
