1991 Buick Roadmaster vs. 1998 Alfa Romeo 155
To start off, 1998 Alfa Romeo 155 is newer by 7 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 155 (493 HP @ 11700 RPM) has 316 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 1998 Alfa Romeo 155 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 800 kg more than 1998 Alfa Romeo 155.
Let's talk about torque, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 93 more torque (in Nm) than 1998 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 155.
Compare all specifications:
| 1991 Buick Roadmaster | 1998 Alfa Romeo 155 | |
| Make | Buick | Alfa Romeo |
| Model | Roadmaster | 155 |
| Year Released | 1991 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2499 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 493 HP |
| Engine RPM | 4200 RPM | 11700 RPM |
| Torque | 393 Nm | 300 Nm |
| Torque RPM | 2400 RPM | 9500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1040 kg |
| Vehicle Width | 2040 mm | 1750 mm |
