2001 Audi A8 vs. 2008 Audi A4
To start off, 2008 Audi A4 is newer by 7 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 5,998 cc, 2001 Audi A8 is equipped with a bigger engine. In terms of performance, 2001 Audi A8 (247 HP @ 6000 RPM) has 46 more horse power than 2008 Audi A4. (201 HP @ 5100 RPM). In normal driving conditions, 2001 Audi A8 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A8 weights approximately 820 kg more than 2008 Audi A4. 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, 2001 Audi A8 (380 Nm @ 4250 RPM) has 99 more torque (in Nm) than 2008 Audi A4. (281 Nm @ 1800 RPM). This means 2001 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4.
Compare all specifications:
| 2001 Audi A8 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A8 | A4 |
| Year Released | 2001 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1984 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 201 HP |
| Engine RPM | 6000 RPM | 5100 RPM |
| Torque | 380 Nm | 281 Nm |
| Torque RPM | 4250 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 90.2 mm | 92.8 mm |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1980 kg | 1160 kg |
| Vehicle Length | 5170 mm | 4590 mm |
| Vehicle Width | 1890 mm | 1780 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 3020 mm | 2660 mm |
| Fuel Consumption Highway | 10 L/100km | 8.7 L/100km |
| Fuel Consumption City | 23 L/100km | 12.4 L/100km |
| Fuel Consumption Overall | 14.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 92 L | 63 L |
