1991 Audi S2 vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 2,226 cc (5 cylinders), 1991 Audi S2 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 120 kg more than 1999 Audi A4.
Because 1991 Audi S2 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, 1991 Audi S2 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 (320 Nm @ 1750 RPM) has 11 more torque (in Nm) than 1991 Audi S2. (309 Nm @ 1950 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2.
Compare all specifications:
| 1991 Audi S2 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | S2 | A4 |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1780 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 0 HP |
| Torque | 309 Nm | 320 Nm |
| Torque RPM | 1950 RPM | 1750 RPM |
| Engine Bore Size | 81.1 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 9.5:1 |
| Acceleration 0-100mph | 6.1 seconds | 8.6 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1420 kg | 1300 kg |
| Vehicle Length | 4410 mm | 4480 mm |
| Vehicle Width | 1720 mm | 1740 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2560 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 62 L |
