2003 Audi A8 vs. 2004 Audi A6
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 3,936 cc (8 cylinders), 2003 Audi A8 is equipped with a bigger engine. In terms of performance, 2003 Audi A8 (272 HP @ 3750 RPM) has 92 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM). In normal driving conditions, 2003 Audi A8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A8 weights approximately 158 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 415 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2003 Audi A8 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 272 HP | 180 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 650 Nm | 235 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Engine Compression Ratio | 17.5:1 | 10.3:1 |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 9.5 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1820 kg | 1662 kg |
| Vehicle Length | 5190 mm | 4940 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 3080 mm | 2660 mm |
| Fuel Consumption Highway | 7.5 L/100km | 7.2 L/100km |
| Fuel Consumption City | 13.4 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
