2005 Audi A4 vs. 2001 Audi A6
To start off, 2005 Audi A4 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A6. In addition, the cost of maintenance, including insurance, on 2001 Audi A6 would be higher. At 2,496 cc (6 cylinders), 2001 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (180 HP @ 5700 RPM) has 27 more horse power than 2001 Audi A6. (153 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2001 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A6 weights approximately 85 kg more than 2005 Audi A4.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2001 Audi A6 (310 Nm @ 1400 RPM) has 70 more torque (in Nm) than 2005 Audi A4. (240 Nm @ 1950 RPM). This means 2001 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2001 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2005 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 180 HP | 153 HP |
| Engine RPM | 5700 RPM | 4000 RPM |
| Torque | 240 Nm | 310 Nm |
| Torque RPM | 1950 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 78.3 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1475 kg | 1560 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Tank Capacity | 66 L | 70 L |
