1991 Audi S2 vs. 2004 Alfa Romeo 166
To start off, 2004 Alfa Romeo 166 is newer by 13 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 2,492 cc (6 cylinders), 2004 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 31 more horse power than 2004 Alfa Romeo 166. (185 HP @ 6300 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 2004 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2004 Alfa Romeo 166 weights approximately 15 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 166. 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 88 more torque (in Nm) than 2004 Alfa Romeo 166. (221 Nm @ 5000 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 166.
Compare all specifications:
| 1991 Audi S2 | 2004 Alfa Romeo 166 | |
| Make | Audi | Alfa Romeo |
| Model | S2 | 166 |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2492 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 185 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 309 Nm | 221 Nm |
| Torque RPM | 1950 RPM | 5000 RPM |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Acceleration 0-100mph | 6.1 seconds | 8.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1435 kg |
| Vehicle Length | 4410 mm | 4730 mm |
| Vehicle Width | 1720 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1420 mm |
| Wheelbase Size | 2560 mm | 2710 mm |
| Fuel Consumption Highway | 9.3 L/100km | 8.8 L/100km |
| Fuel Consumption City | 14.3 L/100km | 17.2 L/100km |
| Fuel Consumption Overall | 8.3 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 70 L | 69 L |
