1998 Audi A6 vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 6 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 1,784 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (170 HP @ 6500 RPM) has 22 more horse power than 1998 Audi A6. (148 HP @ 5700 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 1998 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 270 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, 2004 Audi A4 (235 Nm) has 25 more torque (in Nm) than 1998 Audi A6. (210 Nm). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A6.
Compare all specifications:
| 1998 Audi A6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 1998 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1784 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 148 HP | 170 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 210 Nm | 235 Nm |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.5:1 | 9.3:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1380 kg | 1650 kg |
| Vehicle Length | 4800 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Consumption Overall | 13.2 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
