1998 Alfa Romeo 155 vs. 1999 Alfa Romeo 156
To start off, 1999 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 155 would be higher. At 2,499 cc (6 cylinders), 1998 Alfa Romeo 155 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 389 more horse power than 1999 Alfa Romeo 156. (104 HP @ 4000 RPM). In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 1999 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1999 Alfa Romeo 156 weights approximately 230 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 1998 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 45 more torque (in Nm) than 1999 Alfa Romeo 156. (255 Nm @ 2000 RPM). This means 1998 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1999 Alfa Romeo 156.
Compare all specifications:
| 1998 Alfa Romeo 155 | 1999 Alfa Romeo 156 | |
| Make | Alfa Romeo | Alfa Romeo |
| Model | 155 | 156 |
| Year Released | 1998 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 104 HP |
| Engine RPM | 11700 RPM | 4000 RPM |
| Torque | 300 Nm | 255 Nm |
| Torque RPM | 9500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1270 kg |
| Vehicle Width | 1750 mm | 1750 mm |
