1991 Audi S2 vs. 1990 Audi 90
To start off, 1991 Audi S2 is newer by 1 year(s). Which means there will be less support and parts availability for 1990 Audi 90. In addition, the cost of maintenance, including insurance, on 1990 Audi 90 would be higher. At 2,299 cc (5 cylinders), 1990 Audi 90 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP) has 86 more horse power than 1990 Audi 90. (130 HP). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1990 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 286 kg more than 1990 Audi 90. 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. Let's talk about torque, 1991 Audi S2 (309 Nm) has 125 more torque (in Nm) than 1990 Audi 90. (184 Nm). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1990 Audi 90.
Compare all specifications:
| 1991 Audi S2 | 1990 Audi 90 | |
| Make | Audi | Audi |
| Model | S2 | 90 |
| Year Released | 1991 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2299 cc |
| Engine Cylinders | 5 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 216 HP | 130 HP |
| Torque | 309 Nm | 184 Nm |
| Engine Bore Size | 81.1 mm | 81.1 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1420 kg | 1134 kg |
| Vehicle Length | 4410 mm | 4400 mm |
| Vehicle Width | 1720 mm | 1700 mm |
| Wheelbase Size | 2560 mm | 2540 mm |
