2003 Alfa Romeo 156 vs. 1991 Audi 100
To start off, 2003 Alfa Romeo 156 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Audi 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 2,309 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (131 HP @ 5500 RPM) has 13 more horse power than 2003 Alfa Romeo 156. (118 HP @ 6500 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 160 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 100 (186 Nm @ 4000 RPM) has 40 more torque (in Nm) than 2003 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alfa Romeo 156.
Compare all specifications:
| 2003 Alfa Romeo 156 | 1991 Audi 100 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | 100 |
| Year Released | 2003 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 2309 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 118 HP | 131 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 146 Nm | 186 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 82.5 mm |
| Engine Stroke Size | 75.7 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1410 kg |
| Vehicle Length | 4450 mm | 4800 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1450 mm |
