2008 Audi R8 vs. 2005 Opel Astra
To start off, 2008 Audi R8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (414 HP @ 7800 RPM) has 291 more horse power than 2005 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2008 Audi R8 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi R8 weights approximately 415 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi R8 (431 Nm @ 4500 RPM) has 261 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2008 Audi R8 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | R8 | Astra |
| Year Released | 2008 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 123 HP |
| Engine RPM | 7800 RPM | 5600 RPM |
| Torque | 431 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Top Speed | 301 km/hour | 205 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 9.8 seconds |
| Drive Type | AWD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1145 kg |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Consumption Overall | 14.6 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 75 L | 52 L |
