2007 Audi A4 vs. 1991 Opel Astra
To start off, 2007 Audi A4 is newer by 16 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 2,967 cc, 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (201 HP @ 4500 RPM) has 145 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 680 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 2007 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, 2007 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 345 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2007 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. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | A4 | Astra |
| Year Released | 2007 | 1991 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1700 cc |
| Horse Power | 201 HP | 56 HP |
| Engine RPM | 4500 RPM | 4600 RPM |
| Torque | 450 Nm | 105 Nm |
| Torque RPM | 1400 RPM | 2400 RPM |
| Engine Compression Ratio | 17.0:1 | 23.0:1 |
| Top Speed | 226 km/hour | 149 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 19.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1705 kg | 1025 kg |
| Vehicle Length | 4590 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2650 mm | 2640 mm |
| Fuel Tank Capacity | 66 L | 75 L |
