1999 Audi A4 vs. 1991 Audi S2
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. In terms of performance, 1999 Audi A4 (252 HP @ 4150 RPM) has 36 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 125 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 (330 Nm @ 1900 RPM) has 21 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. 1999 Audi A4 has automatic transmission and 1991 Audi S2 has manual transmission. 1991 Audi S2 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 | 1991 Audi S2 | |
| Make | Audi | Audi |
| Model | A4 | S2 |
| Year Released | 1999 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 252 HP | 216 HP |
| Engine RPM | 4150 RPM | 5900 RPM |
| Torque | 330 Nm | 309 Nm |
| Torque RPM | 1900 RPM | 1950 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 | 9.3:1 |
| Acceleration 0-100mph | 13.1 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1295 kg | 1420 kg |
| Vehicle Length | 4480 mm | 4410 mm |
| Vehicle Width | 1740 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2620 mm | 2560 mm |
| Fuel Tank Capacity | 62 L | 70 L |
