2009 Audi R8 vs. 2005 Opel Astra
To start off, 2009 Audi R8 is newer by 4 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), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 269 more horse power than 2005 Opel Astra. (145 HP @ 6000 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi R8 weights approximately 345 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 2009 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, 2009 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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 227 more torque (in Nm) than 2005 Opel Astra. (203 Nm @ 4000 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2009 Audi R8 | 2005 Opel Astra | |
| Make | Audi | Opel |
| Model | R8 | Astra |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 2172 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 145 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 430 Nm | 203 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Acceleration 0-100mph | 4.9 seconds | 8.8 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 | 1215 kg |
| Wheelbase Size | 2660 mm | 2740 mm |
| Fuel Consumption Overall | 14.6 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 75 L | 52 L |
