2006 Audi A4 vs. 2005 Audi A6
To start off, 2006 Audi A4 is newer by 1 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 3,123 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (252 HP @ 6500 RPM) has 114 more horse power than 2005 Audi A6. (138 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 347 kg more than 2006 Audi A4.
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, both vehicles can yield 330 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2006 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1982 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 138 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 330 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1278 kg | 1625 kg |
| Vehicle Length | 4590 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2650 mm | 2580 mm |
| Fuel Consumption Overall | 10.7 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
