2002 Audi A8 vs. 2009 Audi A4
To start off, 2009 Audi A4 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 3,697 cc (8 cylinders), 2002 Audi A8 is equipped with a bigger engine. In terms of performance, 2002 Audi A8 (276 HP @ 6000 RPM) has 108 more horse power than 2009 Audi A4. (168 HP @ 6000 RPM). In normal driving conditions, 2002 Audi A8 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A8 weights approximately 390 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A4. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Audi A8 (360 Nm @ 3750 RPM) has 130 more torque (in Nm) than 2009 Audi A4. (230 Nm @ 3200 RPM). This means 2002 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2002 Audi A8 has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi A8 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2002 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3697 cc | 2393 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 276 HP | 168 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 360 Nm | 230 Nm |
| Torque RPM | 3750 RPM | 3200 RPM |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 226 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 8.8 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 1440 kg |
| Vehicle Length | 5060 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 11.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
