2008 Audi A6 vs. 2006 Audi A4
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 3,189 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (252 HP @ 6500 RPM) has 74 more horse power than 2008 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 420 kg more than 2006 Audi A4.
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, 2008 Audi A6 (380 Nm @ 1400 RPM) has 49 more torque (in Nm) than 2006 Audi A4. (331 Nm @ 3250 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2008 Audi A6 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2008 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 178 HP | 252 HP |
| Engine RPM | 3300 RPM | 6500 RPM |
| Torque | 380 Nm | 331 Nm |
| Torque RPM | 1400 RPM | 3250 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 83.1 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 223 km/hour | 254 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 6.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1275 kg |
| Vehicle Length | 4940 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 80 L | 70 L |
