2001 Audi A6 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 2001 Audi A6. In addition, the cost of maintenance, including insurance, on 2001 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (350 HP @ 6800 RPM) has 202 more horse power than 2001 Audi A6. (148 HP @ 6000 RPM) In normal driving conditions, 2009 Audi A8 should accelerate faster than 2001 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A6 weights approximately 376 kg more than 2009 Audi A8.
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, 2009 Audi A8 (441 Nm @ 3500 RPM) has 206 more torque (in Nm) than 2001 Audi A6. (235 Nm @ 1750 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A6. 2009 Audi A8 has automatic transmission and 2001 Audi A6 has manual transmission. 2001 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Audi A6 | 2009 Audi A8 | |
| Make | Audi | Audi |
| Model | A6 | A8 |
| Year Released | 2001 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 148 HP | 350 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 235 Nm | 441 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1164 kg |
| Vehicle Length | 4800 mm | 5200 mm |
| Vehicle Width | 1820 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 3080 mm |
| Fuel Tank Capacity | 70 L | 90 L |
