1998 Alfa Romeo 156 vs. 1991 Audi S2
To start off, 1998 Alfa Romeo 156 is newer by 7 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 2,386 cc (5 cylinders), 1998 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 80 more horse power than 1998 Alfa Romeo 156. (136 HP @ 4200 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 1998 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 70 kg more than 1998 Alfa Romeo 156. 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 1998 Alfa Romeo 156. 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 5 more torque (in Nm) than 1998 Alfa Romeo 156. (304 Nm @ 2000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 156.
Compare all specifications:
| 1998 Alfa Romeo 156 | 1991 Audi S2 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | S2 |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 2226 cc |
| Engine Cylinders | 5 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 216 HP |
| Engine RPM | 4200 RPM | 5900 RPM |
| Torque | 304 Nm | 309 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Engine Bore Size | 82 mm | 81.1 mm |
| Engine Stroke Size | 90.4 mm | 86.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.3:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1350 kg | 1420 kg |
| Vehicle Length | 4440 mm | 4410 mm |
| Vehicle Width | 1750 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2600 mm | 2560 mm |
| Fuel Tank Capacity | 63 L | 70 L |
