2006 Alfa Romeo 156 vs. 1991 Audi 100
To start off, 2006 Alfa Romeo 156 is newer by 15 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 23 more horse power than 2006 Alfa Romeo 156. (149 HP @ 6300 RPM) In normal driving conditions, 1991 Audi 100 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 156 weights approximately 109 kg more than 1991 Audi 100.
Let's talk about torque, 1991 Audi 100 (250 Nm @ 3000 RPM) has 69 more torque (in Nm) than 2006 Alfa Romeo 156. (181 Nm @ 3800 RPM). This means 1991 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 1991 Audi 100 | |
| Make | Alfa Romeo | Audi |
| Model | 156 | 100 |
| Year Released | 2006 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 149 HP | 172 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 181 Nm | 250 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1615 kg | 1506 kg |
| Vehicle Length | 4440 mm | 4800 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1450 mm |
