2009 Audi A8 vs. 1991 Opel Astra
To start off, 2009 Audi A8 is newer by 18 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 3,123 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (256 HP) has 200 more horse power than 1991 Opel Astra. (56 HP). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 140 kg more than 2009 Audi A8.
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 A8 (330 Nm @ 3250 RPM) has 225 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2009 Audi A8 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. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | A8 | Astra |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 56 HP |
| Torque | 330 Nm | 105 Nm |
| Torque RPM | 3250 RPM | 2400 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 13.0:1 | 23.0:1 |
| Top Speed | 250 km/hour | 150 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 kg | 1035 kg |
| Vehicle Length | 5060 mm | 4250 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2530 mm |
| Fuel Tank Capacity | 90 L | 52 L |
