2009 Audi A8 vs. 2001 Audi A6
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 3,936 cc (8 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (272 HP @ 3750 RPM) has 20 more horse power than 2001 Audi A6. (252 HP @ 4000 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. 2009 Audi A8 weights approximately 345 kg more than 2001 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (650 Nm @ 1800 RPM) has 330 more torque (in Nm) than 2001 Audi A6. (320 Nm @ 1500 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A6.
Compare all specifications:
| 2009 Audi A8 | 2001 Audi A6 | |
| Make | Audi | Audi |
| Model | A8 | A6 |
| Year Released | 2009 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 2496 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 272 HP | 252 HP |
| Engine RPM | 3750 RPM | 4000 RPM |
| Torque | 650 Nm | 320 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 78.3 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 18.0:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 250 km/hour | 221 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 9.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 1595 kg |
| Vehicle Length | 5190 mm | 4800 mm |
| Vehicle Width | 1900 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 3080 mm | 2850 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
