2007 Audi R8 vs. 1991 Opel Astra
To start off, 2007 Audi R8 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 4,163 cc (8 cylinders), 2007 Audi R8 is equipped with a bigger engine. In terms of performance, 2007 Audi R8 (414 HP @ 7800 RPM) has 358 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2007 Audi R8 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi R8 weights approximately 530 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 R8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2007 Audi R8 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 R8 (430 Nm @ 4500 RPM) has 325 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2007 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2007 Audi R8 | 1991 Opel Astra | |
| Make | Audi | Opel |
| Model | R8 | Astra |
| Year Released | 2007 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1698 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 414 HP | 56 HP |
| Engine RPM | 7800 RPM | 4600 RPM |
| Torque | 430 Nm | 105 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Engine Bore Size | 84.5 mm | 82.5 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 12.5:1 | 23.0:1 |
| Top Speed | 301 km/hour | 150 km/hour |
| Drive Type | AWD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1035 kg |
| Vehicle Length | 4590 mm | 4250 mm |
| Vehicle Width | 1910 mm | 1690 mm |
| Vehicle Height | 1260 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
| Fuel Tank Capacity | 75 L | 52 L |
