2003 Audi A8 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (252 HP @ 6500 RPM) has 35 more horse power than 2003 Audi A8. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Audi A6 should accelerate faster than 2003 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 580 kg more than 2007 Audi A6.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A8. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi A6 (330 Nm @ 3250 RPM) has 30 more torque (in Nm) than 2003 Audi A8. (300 Nm @ 8200 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A8.
Compare all specifications:
| 2003 Audi A8 | 2007 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 3123 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 217 HP | 252 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 300 Nm | 330 Nm |
| Torque RPM | 8200 RPM | 3250 RPM |
| Engine Bore Size | 82.6 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 13.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 7.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 1275 kg |
| Vehicle Length | 5190 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 9.6 L/100km | 11 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
