2005 Audi A4 vs. 2013 Audi A6
To start off, 2013 Audi A6 is newer by 8 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 2,995 cc (6 cylinders), 2013 Audi A6 is equipped with a bigger engine. In terms of performance, 2013 Audi A6 (306 HP @ 5500 RPM) has 128 more horse power than 2005 Audi A4. (178 HP @ 4000 RPM) In normal driving conditions, 2013 Audi A6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2013 Audi A6 weights approximately 245 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.
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, 2013 Audi A6 (441 Nm) has 71 more torque (in Nm) than 2005 Audi A4. (370 Nm). This means 2013 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 | 2013 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2005 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 2995 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | W |
| Valves per Cylinder | 4 valves | 6 valves |
| Horse Power | 178 HP | 306 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 370 Nm | 441 Nm |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 89 mm |
| Engine Compression Ratio | 19.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 210 km/hour |
| Drive Type | 4WD | AWD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1835 kg |
| Vehicle Length | 4550 mm | 4925 mm |
| Vehicle Width | 1780 mm | 2086 mm |
| Vehicle Height | 1430 mm | 1468 mm |
| Wheelbase Size | 2770 mm | 2912 mm |
