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 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 51 more horse power than 2004 Audi A6. (221 HP @ 4000 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 15 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.
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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 200 more torque (in Nm) than 2004 Audi A6. (450 Nm @ 1400 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6. 2003 Audi A8 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A8 will be easier to drive especially in heavy traffic.
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 | 3936 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 272 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 450 Nm | 650 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Compression Ratio | 17.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 6.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1805 kg | 1820 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 | 6.1 L/100km | 7.5 L/100km |
| Fuel Consumption City | 11.3 L/100km | 13.4 L/100km |
| Fuel Consumption Overall | 8 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 80 L | 90 L |
