2008 Audi A6 vs. 2007 Opel Astra
To start off, 2008 Audi A6 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 4,172 cc (8 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (296 HP @ 6200 RPM) has 206 more horse power than 2007 Opel Astra. (90 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 420 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 A6 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 A6 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 A6 (400 Nm @ 3000 RPM) has 200 more torque (in Nm) than 2007 Opel Astra. (200 Nm @ 1750 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
| 2008 Audi A6 | 2007 Opel Astra | |
| Make | Audi | Opel |
| Model | A6 | Astra |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1248 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 90 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 400 Nm | 200 Nm |
| Torque RPM | 3000 RPM | 1750 RPM |
| Engine Bore Size | 84.6 mm | 69.6 mm |
| Engine Stroke Size | 93 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 6.9 seconds | 13.6 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1750 kg | 1330 kg |
| Vehicle Length | 4840 mm | 4300 mm |
| Vehicle Width | 1860 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
| Fuel Consumption Overall | 13 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 82 L | 52 L |
