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 4,134 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (322 HP @ 3750 RPM) has 184 more horse power than 2007 Audi A6. (138 HP @ 4000 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 667 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 (650 Nm @ 1600 RPM) has 330 more torque (in Nm) than 2007 Audi A6. (320 Nm @ 1750 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2008 Audi A8 has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.
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 | 1968 cc | 4134 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 322 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 320 Nm | 650 Nm |
| Torque RPM | 1750 RPM | 1600 RPM |
| Engine Compression Ratio | 18.0:1 | 16.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 227 km/hour | 245 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1278 kg | 1945 kg |
| Vehicle Length | 4800 mm | 5070 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2950 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
