2006 Alfa Romeo 166 vs. 1991 Audi S2
To start off, 2006 Alfa Romeo 166 is newer by 15 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, 1991 Audi S2 (216 HP @ 5900 RPM) has 68 more horse power than 2006 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 1991 Audi S2 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 75 kg more than 1991 Audi S2.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 2006 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 128 more torque (in Nm) than 2006 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 1991 Audi S2 | |
| Make | Alfa Romeo | Audi |
| Model | 166 | S2 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 216 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 181 Nm | 309 Nm |
| Torque RPM | 3800 RPM | 1950 RPM |
| Engine Bore Size | 83 mm | 81.1 mm |
| Engine Stroke Size | 91 mm | 86.4 mm |
| Engine Compression Ratio | 10.0:1 | 9.3:1 |
| Acceleration 0-100mph | 9.8 seconds | 6.1 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1495 kg | 1420 kg |
| Vehicle Length | 4730 mm | 4410 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2710 mm | 2560 mm |
| Fuel Consumption Overall | 9.9 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 69 L | 70 L |
