2003 Audi A6 vs. 2007 Audi A8
To start off, 2007 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (330 HP @ 6500 RPM) has 113 more horse power than 2003 Audi A6. (217 HP @ 6300 RPM) In normal driving conditions, 2007 Audi A8 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 265 kg more than 2003 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 A8 (430 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2003 Audi A6. (320 Nm @ 3200 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2007 Audi A8 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2007 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2003 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 217 HP | 330 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 320 Nm | 430 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 238 km/hour | 245 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 6.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1645 kg | 1910 kg |
| Vehicle Length | 4800 mm | 5190 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2430 mm | 3080 mm |
| Fuel Consumption Overall | 11.5 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
