2004 Audi A6 vs. 2006 Audi A8
To start off, 2006 Audi A8 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 3,697 cc (8 cylinders), 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (276 HP @ 6000 RPM) has 97 more horse power than 2004 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2006 Audi A8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 145 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 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, 2004 Audi A6 (370 Nm @ 1400 RPM) has 10 more torque (in Nm) than 2006 Audi A8. (360 Nm @ 3750 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8. 2006 Audi A8 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2006 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2696 cc | 3697 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 179 HP | 276 HP |
| Engine RPM | 3300 RPM | 6000 RPM |
| Torque | 370 Nm | 360 Nm |
| Torque RPM | 1400 RPM | 3750 RPM |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 83.1 mm | 82.4 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 7.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1625 kg | 1770 kg |
| Vehicle Length | 4920 mm | 5060 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2950 mm |
| Fuel Consumption | 5.2 L/100km | 8.8 L/100km |
| Fuel Consumption City | 9.6 L/100km | 17.3 L/100km |
| Fuel Consumption Overall | 6.8 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
