2008 Audi S5 vs. 2007 Opel Astra
To start off, 2008 Audi S5 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Opel Astra. In addition, the cost of maintenance, including insurance, on 2007 Opel Astra would be higher. At 4,163 cc (8 cylinders), 2008 Audi S5 is equipped with a bigger engine. In terms of performance, 2008 Audi S5 (354 HP @ 6800 RPM) has 231 more horse power than 2007 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2008 Audi S5 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S5 weights approximately 455 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 Audi S5 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 S5 (441 Nm @ 3500 RPM) has 271 more torque (in Nm) than 2007 Opel Astra. (170 Nm @ 3800 RPM). This means 2008 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2007 Opel Astra has automatic transmission and 2008 Audi S5 has manual transmission. 2008 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi S5 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | S5 | Astra |
| Year Released | 2008 | 2007 |
| Engine Position | Front | 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 | 354 HP | 123 HP |
| Engine RPM | 6800 RPM | 5600 RPM |
| Torque | 441 Nm | 170 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 80.5 mm |
| Engine Stroke Size | 92.8 mm | 88.2 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 249 km/hour | 185 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1310 kg |
| Vehicle Length | 4640 mm | 4260 mm |
| Vehicle Width | 1990 mm | 1760 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Consumption Overall | 7.8 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
