2009 Audi A8 vs. 2001 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 A8. In addition, the cost of maintenance, including insurance, on 2001 Audi A8 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 79 more horse power than 2001 Audi A8. (271 HP @ 3750 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2001 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 696 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 121 more torque (in Nm) than 2001 Audi A8. (320 Nm @ 1800 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2001 Audi A8 | |
| Make | Audi | Audi |
| Model | A8 | A8 |
| Year Released | 2009 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3936 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 271 HP |
| Engine RPM | 6800 RPM | 3750 RPM |
| Torque | 441 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 12.5:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1164 kg | 1860 kg |
| Vehicle Length | 5200 mm | 5060 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 3080 mm | 2470 mm |
| Fuel Consumption Overall | 13.1 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
