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 2 more horse power than 2008 Audi A6. (250 HP @ 6000 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 205 kg more than 2006 Audi A4.
Because 2006 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 Audi A4 will offer significantly more control. 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, 2006 Audi A4 (331 Nm @ 3250 RPM) has 101 more torque (in Nm) than 2008 Audi A6. (230 Nm @ 3200 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 250 HP | 252 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 230 Nm | 331 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 77.4 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 224 km/hour | 254 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 6.4 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1275 kg |
| Vehicle Length | 4180 mm | 4550 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 9.1 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 70 L |
