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 357 more horse power than 1999 Alfa Romeo 156. (136 HP @ 4200 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 310 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 1999 Alfa Romeo 156 (304 Nm @ 2000 RPM) has 4 more torque (in Nm) than 1998 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 1999 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 155.
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 | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2386 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 136 HP |
| Engine RPM | 11700 RPM | 4200 RPM |
| Torque | 300 Nm | 304 Nm |
| Torque RPM | 9500 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1350 kg |
| Vehicle Width | 1750 mm | 1750 mm |
