2006 Audi A4 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 1 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 3,129 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (255 HP @ 6500 RPM) has 26 more horse power than 2007 Audi A6. (229 HP @ 4000 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 55 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi A6 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2007 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 229 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 330 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 91.4 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1825 kg |
| Vehicle Length | 4590 mm | 4940 mm |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
