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. At 3,121 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (252 HP @ 6500 RPM) has 91 more horse power than 2007 Audi A4. (161 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 106 kg more than 2007 Audi A4. 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, 2005 Audi A6 (330 Nm @ 3250 RPM) has 105 more torque (in Nm) than 2007 Audi A4. (225 Nm @ 1750 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4. 2007 Audi A4 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 252 HP | 161 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 330 Nm | 225 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86.4 mm |
| Engine Compression Ratio | 13.0:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 223 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1434 kg |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
