2009 Audi A5 vs. 2002 Audi A8
To start off, 2009 Audi A5 is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Audi A8. In addition, the cost of maintenance, including insurance, on 2002 Audi A8 would be higher. At 3,936 cc (8 cylinders), 2002 Audi A8 is equipped with a bigger engine. In terms of performance, 2002 Audi A8 (271 HP @ 3750 RPM) has 6 more horse power than 2009 Audi A5. (265 HP @ 6500 RPM) In normal driving conditions, 2002 Audi A8 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A8 weights approximately 1045 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 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 A5 (330 Nm @ 3250 RPM) has 105 more torque (in Nm) than 2002 Audi A8. (225 Nm @ 1800 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A8.
Compare all specifications:
| 2009 Audi A5 | 2002 Audi A8 | |
| Make | Audi | Audi |
| Model | A5 | A8 |
| Year Released | 2009 | 2002 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 3936 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 271 HP |
| Engine RPM | 6500 RPM | 3750 RPM |
| Torque | 330 Nm | 225 Nm |
| Torque RPM | 3250 RPM | 1800 RPM |
| Engine Compression Ratio | 10.5:1 | 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 | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 1940 kg |
| Vehicle Length | 4630 mm | 5060 mm |
| Vehicle Width | 1990 mm | 1900 mm |
| Vehicle Height | 1380 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 2950 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 64 L | 90 L |
