2007 Audi A6 vs. 2008 Audi A8
To start off, 2008 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (350 HP @ 6800 RPM) has 133 more horse power than 2007 Audi A6. (217 HP @ 6300 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 345 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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 A8 (442 Nm @ 3500 RPM) has 142 more torque (in Nm) than 2007 Audi A6. (300 Nm @ 3200 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 350 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 300 Nm | 442 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 82.6 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1615 kg | 1960 kg |
| Vehicle Length | 4880 mm | 5070 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2950 mm |
| Fuel Consumption | 8.7 L/100km | 10.2 L/100km |
| Fuel Consumption City | 11.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
