1997 Alfa Romeo 156 vs. 1991 Audi 100
To start off, 1997 Alfa Romeo 156 is newer by 6 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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 1991 Audi 100 (172 HP @ 5500 RPM) has 69 more horse power than 1997 Alfa Romeo 156. (103 HP @ 4000 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 1997 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 236 kg more than 1997 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1997 Alfa Romeo 156 (256 Nm @ 2000 RPM) has 6 more torque (in Nm) than 1991 Audi 100. (250 Nm @ 3000 RPM). This means 1997 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1997 Alfa Romeo 156 | 1991 Audi 100 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | 100 |
| Year Released | 1997 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 103 HP | 172 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 256 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 82.5 mm |
| Engine Stroke Size | 90.4 mm | 86.4 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1270 kg | 1506 kg |
| Vehicle Length | 4440 mm | 4800 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1450 mm |
