2006 Audi A4 vs. 2008 Audi A6
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 2,967 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (201 HP @ 4000 RPM) has 53 more horse power than 2008 Audi A6. (148 HP @ 5700 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 320 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, 2006 Audi A4 (450 Nm @ 1400 RPM) has 240 more torque (in Nm) than 2008 Audi A6. (210 Nm @ 1750 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:
| 2006 Audi A4 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 201 HP | 148 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 450 Nm | 210 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 207 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 10 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1595 kg |
| Vehicle Length | 4590 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2650 mm | 2770 mm |
| Fuel Consumption Overall | 7.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
