2007 Audi A6 vs. 2007 Audi A8
To start off, both 2007 Audi A6 and 2007 Audi A8 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,170 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (329 HP @ 6500 RPM) has 151 more horse power than 2007 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2007 Audi A8 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 505 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2007 Audi A8 (430 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 Audi A6. (380 Nm @ 1400 RPM). This means 2007 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 | 2007 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 4170 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 178 HP | 329 HP |
| Engine RPM | 3300 RPM | 6500 RPM |
| Torque | 380 Nm | 430 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 83.1 mm | 93 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 228 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 6.3 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1275 kg | 1780 kg |
| Vehicle Length | 4920 mm | 5060 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
| Fuel Consumption Overall | 8.1 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
