1985 Alfa Romeo 90 vs. 1991 Audi S2
To start off, 1991 Audi S2 is newer by 6 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 2,391 cc (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 107 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 170 kg more than 1985 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Alfa Romeo 90. 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 74 more torque (in Nm) than 1985 Alfa Romeo 90. (235 Nm @ 2300 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1985 Alfa Romeo 90.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1991 Audi S2 | |
| Make | Alfa Romeo | Audi |
| Model | 90 | S2 |
| Year Released | 1985 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 216 HP |
| Engine RPM | 4200 RPM | 5900 RPM |
| Torque | 235 Nm | 309 Nm |
| Torque RPM | 2300 RPM | 1950 RPM |
| Engine Bore Size | 92 mm | 81.1 mm |
| Engine Stroke Size | 90 mm | 86.4 mm |
| Engine Compression Ratio | 22.0:1 | 9.3:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1420 kg |
| Vehicle Length | 4400 mm | 4410 mm |
| Vehicle Width | 1650 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2520 mm | 2560 mm |
| Fuel Tank Capacity | 49 L | 70 L |
