1998 Audi A4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Audi A4. In addition, the cost of maintenance, including insurance, on 1998 Audi A4 would be higher. At 3,121 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (255 HP @ 6500 RPM) has 155 more horse power than 1998 Audi A4. (100 HP @ 5300 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1998 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 355 kg more than 1998 Audi A4. 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 A6 (330 Nm @ 3250 RPM) has 190 more torque (in Nm) than 1998 Audi A4. (140 Nm @ 3800 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A4.
Compare all specifications:
| 1998 Audi A4 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 1998 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 3121 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 255 HP |
| Engine RPM | 5300 RPM | 6500 RPM |
| Torque | 140 Nm | 330 Nm |
| Torque RPM | 3800 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1185 kg | 1540 kg |
| Vehicle Length | 4480 mm | 4930 mm |
| Vehicle Width | 1740 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2630 mm | 2850 mm |
| Fuel Tank Capacity | 55 L | 80 L |
