2005 Audi A6 vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. Both 2005 Audi A6 and 2007 Audi A4 are equipped with a 1,984 cc engine. In terms of performance, 2007 Audi A4 (200 HP @ 5100 RPM) has 62 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster 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, 2005 Audi A6 (320 Nm @ 1750 RPM) has 38 more torque (in Nm) than 2007 Audi A4. (282 Nm @ 1800 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2005 Audi A6 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 200 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 320 Nm | 282 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4920 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 70 L |
