1991 Opel Astra vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 2,981 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 161 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 575 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 will offer significantly more control. 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 195 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2005 Audi A4 has automatic transmission and 1991 Opel Astra has manual transmission. 1991 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2005 Audi A4 | |
| Make | Opel | Audi |
| Model | Astra | A4 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1698 cc | 2981 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 56 HP | 217 HP |
| Engine RPM | 4600 RPM | 6300 RPM |
| Torque | 105 Nm | 300 Nm |
| Torque RPM | 2400 RPM | 3200 RPM |
| Engine Bore Size | 82.5 mm | 82.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Engine Compression Ratio | 23.0:1 | 11.0:1 |
| Top Speed | 150 km/hour | 236 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1035 kg | 1610 kg |
| Vehicle Length | 4250 mm | 4550 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2660 mm |
| Fuel Tank Capacity | 52 L | 66 L |
