2004 Audi A6 vs. 2003 Audi A8
To start off, 2004 Audi A6 is newer by 1 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 2,976 cc (6 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (221 HP @ 4000 RPM) has 4 more horse power than 2003 Audi A8. (217 HP @ 6300 RPM). In normal driving conditions, 2004 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 50 kg more than 2004 Audi A6.
Because 2004 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, 2004 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, 2004 Audi A6 (450 Nm @ 1400 RPM) has 150 more torque (in Nm) than 2003 Audi A8. (300 Nm @ 8200 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A8.
Compare all specifications:
| 2004 Audi A6 | 2003 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2004 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 221 HP | 217 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 450 Nm | 300 Nm |
| Torque RPM | 1400 RPM | 8200 RPM |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 7.3 seconds | 8.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1805 kg | 1855 kg |
| Vehicle Length | 4940 mm | 5190 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 3080 mm |
| Fuel Consumption Overall | 8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
