1997 Audi A6 vs. 2004 Audi A8
To start off, 2004 Audi A8 is newer by 7 year(s). Which means there will be less support and parts availability for 1997 Audi A6. In addition, the cost of maintenance, including insurance, on 1997 Audi A6 would be higher. At 3,935 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (271 HP @ 3750 RPM) has 142 more horse power than 1997 Audi A6. (129 HP @ 4000 RPM) In normal driving conditions, 2004 Audi A8 should accelerate faster than 1997 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 420 kg more than 1997 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1997 Audi A6. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 340 more torque (in Nm) than 1997 Audi A6. (310 Nm @ 1900 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1997 Audi A6.
Compare all specifications:
| 1997 Audi A6 | 2004 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 1997 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 3935 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 129 HP | 271 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 310 Nm | 650 Nm |
| Torque RPM | 1900 RPM | 1800 RPM |
| Engine Bore Size | 79.5 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 95.5 mm |
| Engine Compression Ratio | 19.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 200 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 6.7 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1520 kg | 1940 kg |
| Vehicle Length | 4800 mm | 5060 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2950 mm |
| Fuel Tank Capacity | 70 L | 90 L |
