2007 Audi A8 vs. 1999 Audi RS4
To start off, 2007 Audi A8 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi RS4. In addition, the cost of maintenance, including insurance, on 1999 Audi RS4 would be higher. At 5,998 cc (12 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (450 HP @ 6200 RPM) has 200 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 528 kg more than 1999 Audi RS4. 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. 2007 Audi A8 has automatic transmission and 1999 Audi RS4 has manual transmission. 1999 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A8 | 1999 Audi RS4 | |
| Make | Audi | Audi |
| Model | A8 | RS4 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 2671 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | W | V |
| Horse Power | 450 HP | 250 HP |
| Engine RPM | 6200 RPM | 6100 RPM |
| Engine Bore Size | 84 mm | 81.1 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2148 kg | 1620 kg |
| Vehicle Length | 5200 mm | 4530 mm |
| Vehicle Width | 1900 mm | 1810 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 3080 mm | 2610 mm |
| Fuel Tank Capacity | 90 L | 62 L |
