2008 Audi A6 vs. 2008 Audi A8
To start off, both 2008 Audi A6 and 2008 Audi A8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 41 more horse power than 2008 Audi A6. (230 HP @ 4000 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 179 kg more than 2008 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 2008 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 (650 Nm @ 1800 RPM) has 200 more torque (in Nm) than 2008 Audi A6. (450 Nm @ 1400 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2008 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3936 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 271 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 450 Nm | 650 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 91.4 mm | 95.5 mm |
| Engine Compression Ratio | 17.0:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 243 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1944 kg |
| Vehicle Length | 4920 mm | 5190 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2850 mm | 3080 mm |
| Fuel Consumption Overall | 6.3 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
