2007 Audi A6 vs. 2005 Audi A4
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 5,203 cc (10 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (429 HP @ 6800 RPM) has 259 more horse power than 2005 Audi A4. (170 HP @ 6500 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 360 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2007 Audi A6 (540 Nm) has 315 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2007 Audi A6 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5203 cc | 1786 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 429 HP | 170 HP |
| Engine RPM | 6800 RPM | 6500 RPM |
| Torque | 540 Nm | 225 Nm |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 12.5:1 | 9.3:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1970 kg | 1610 kg |
| Vehicle Length | 4940 mm | 4550 mm |
| Vehicle Width | 1870 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Consumption Overall | 13.4 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 80 L | 66 L |
