1999 Audi A4 vs. 1999 Audi RS4
To start off, both 1999 Audi A4 and 1999 Audi RS4 were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,671 cc (6 cylinders), 1999 Audi RS4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (252 HP @ 4150 RPM) has 2 more horse power than 1999 Audi RS4. (250 HP @ 6100 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1999 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi RS4 weights approximately 325 kg more than 1999 Audi A4.
Because 1999 Audi RS4 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, 1999 Audi RS4 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. 1999 Audi A4 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. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi A4 | 1999 Audi RS4 | |
| Make | Audi | Audi |
| Model | A4 | RS4 |
| Year Released | 1999 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2671 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 250 HP |
| Engine RPM | 4150 RPM | 6100 RPM |
| Engine Bore Size | 79.5 mm | 81.1 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 19.5:1 | 9.0:1 |
| Acceleration 0-100mph | 13.1 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1295 kg | 1620 kg |
| Vehicle Length | 4480 mm | 4530 mm |
| Vehicle Width | 1740 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2620 mm | 2610 mm |
| Fuel Tank Capacity | 62 L | 62 L |
