2005 Audi A6 vs. 1998 Audi A4
To start off, 2005 Audi A6 is newer by 7 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 2,496 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 6000 RPM) has 30 more horse power than 1998 Audi A4. (148 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1998 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1998 Audi A4 weights approximately 25 kg more than 2005 Audi A6.
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, 1998 Audi A4 (310 Nm @ 1500 RPM) has 80 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3000 RPM). This means 1998 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 has automatic transmission and 1998 Audi A4 has manual transmission. 1998 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 1998 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 1998 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2495 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 148 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 230 Nm | 310 Nm |
| Torque RPM | 3000 RPM | 1500 RPM |
| Engine Bore Size | 81.1 mm | 78.3 mm |
| Engine Stroke Size | 77.4 mm | 86.4 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1555 kg | 1580 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
