2009 Audi A4 vs. 1998 Audi A6
To start off, 2009 Audi A4 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Audi A6. In addition, the cost of maintenance, including insurance, on 1998 Audi A6 would be higher. At 2,393 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (168 HP @ 6000 RPM) has 45 more horse power than 1998 Audi A6. (123 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1998 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 55 kg more than 1998 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 2009 Audi A4 (230 Nm @ 3200 RPM) has 62 more torque (in Nm) than 1998 Audi A6. (168 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A6.
Compare all specifications:
| 2009 Audi A4 | 1998 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2009 | 1998 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 123 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 230 Nm | 168 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 81.1 mm |
| Engine Stroke Size | 77.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.5:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1500 kg | 1445 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
