2005 Audi A4 vs. 2001 Opel Astra
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Opel Astra. In addition, the cost of maintenance, including insurance, on 2001 Opel Astra would be higher. At 2,976 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (220 HP @ 6300 RPM) has 78 more horse power than 2001 Opel Astra. (142 HP @ 5600 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 440 kg more than 2001 Opel 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, 2005 Audi A4 (300 Nm @ 3200 RPM) has 97 more torque (in Nm) than 2001 Opel Astra. (203 Nm @ 4000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra. 2001 Opel Astra has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2001 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2005 | 2001 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 220 HP | 142 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 300 Nm | 203 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 82.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 94.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1620 kg | 1180 kg |
| Vehicle Length | 4580 mm | 4260 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 52 L |
