2006 Audi A6 vs. 1998 Audi A8
To start off, 2006 Audi A6 is newer by 8 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. At 4,172 cc (8 cylinders), 1998 Audi A8 is equipped with a bigger engine. In terms of performance, 1998 Audi A8 (340 HP) has 119 more horse power than 2006 Audi A6. (221 HP) In normal driving conditions, 1998 Audi A8 should accelerate faster than 2006 Audi A6.
Because 1998 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A6. In wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Audi A8 (556 Nm) has 106 more torque (in Nm) than 2006 Audi A6. (450 Nm). This means 1998 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 1998 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2006 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 221 HP | 340 HP |
| Torque | 450 Nm | 556 Nm |
| Engine Bore Size | 83 mm | 84.7 mm |
| Engine Stroke Size | 91.4 mm | 93 mm |
| Engine Compression Ratio | 20.0:1 | 11.6:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4920 mm | 5040 mm |
| Vehicle Width | 2020 mm | 1890 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2890 mm |
