1999 Audi A4 vs. 2002 Audi A8
To start off, 2002 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 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 24 more horse power than 1999 Audi A4. (247 HP @ 4150 RPM) In normal driving conditions, 2002 Audi A8 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A8 weights approximately 605 kg more than 1999 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 1999 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, 1999 Audi A4 (321 Nm @ 1900 RPM) has 96 more torque (in Nm) than 2002 Audi A8. (225 Nm @ 1800 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A8.
Compare all specifications:
| 1999 Audi A4 | 2002 Audi A8 | |
| Make | Audi | Audi |
| Model | A4 | A8 |
| Year Released | 1999 | 2002 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 3936 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 247 HP | 271 HP |
| Engine RPM | 4150 RPM | 3750 RPM |
| Torque | 321 Nm | 225 Nm |
| Torque RPM | 1900 RPM | 1800 RPM |
| Engine Bore Size | 79.5 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 95.5 mm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 190 km/hour | 250 km/hour |
| Acceleration 0-100mph | 12.8 seconds | 7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1335 kg | 1940 kg |
| Vehicle Length | 4480 mm | 5060 mm |
| Vehicle Width | 1740 mm | 1900 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2630 mm | 2950 mm |
| Fuel Tank Capacity | 62 L | 90 L |
