2009 Audi A8 vs. 2001 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 2001 Audi A4 would be higher. At 2,976 cc (6 cylinders), 2001 Audi A4 is equipped with a bigger engine. In terms of performance, 2001 Audi A4 (248 HP @ 6300 RPM) has 18 more horse power than 2009 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2001 Audi A4 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A4 weights approximately 585 kg more than 2009 Audi A8. 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 A4. 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 (450 Nm @ 1400 RPM) has 120 more torque (in Nm) than 2001 Audi A4. (330 Nm @ 3200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A4.
Compare all specifications:
| 2009 Audi A8 | 2001 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2009 | 2001 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 230 HP | 248 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 450 Nm | 330 Nm |
| Torque RPM | 1400 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91.4 mm | 92.8 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Top Speed | 243 km/hour | 236 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 7.1 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 1515 kg |
| Vehicle Length | 5190 mm | 4550 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2660 mm |
| Fuel Tank Capacity | 90 L | 70 L |
