2004 Audi A6 vs. 1998 Audi A8
To start off, 2004 Audi A6 is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Audi A8. In addition, the cost of maintenance, including insurance, on 1998 Audi A8 would be higher. Both 2004 Audi A6 and 1998 Audi A8 are equipped with a 4,172 cc engine. In terms of performance, 1998 Audi A8 (300 HP) has 4 more horse power than 2004 Audi A6. (296 HP) In normal driving conditions, 1998 Audi A8 should accelerate faster than 2004 Audi A6.
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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2004 Audi A6 | 1998 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2004 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 296 HP | 300 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 84.5 mm | 84.6 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 5040 mm |
| Vehicle Width | 1860 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
