2001 Audi A8 vs. 2009 Audi A5
To start off, 2009 Audi A5 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 2,976 cc (6 cylinders), 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (217 HP @ 6300 RPM) has 48 more horse power than 2009 Audi A5. (169 HP @ 4200 RPM). In normal driving conditions, 2001 Audi A8 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 440 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 A5 (350 Nm @ 1750 RPM) has 50 more torque (in Nm) than 2001 Audi A8. (300 Nm @ 8200 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A8.
Compare all specifications:
| 2001 Audi A8 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | A8 | A5 |
| Year Released | 2001 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 169 HP |
| Engine RPM | 6300 RPM | 4200 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 8200 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 11.0:1 | 16.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 242 km/hour | 230 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1470 kg |
| Vehicle Length | 5190 mm | 4630 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1380 mm |
| Wheelbase Size | 3080 mm | 2760 mm |
| Fuel Consumption Overall | 9.6 L/100km | 5.6 L/100km |
