1997 Alfa Romeo 155 vs. 1977 Mercedes-Benz S
To start off, 1997 Alfa Romeo 155 is newer by 20 year(s). Which means there will be less support and parts availability for 1977 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1977 Mercedes-Benz S would be higher. At 2,745 cc (6 cylinders), 1977 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 335 more horse power than 1977 Mercedes-Benz S. (158 HP @ 5500 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 1977 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mercedes-Benz S weights approximately 570 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 1997 Alfa Romeo 155 (300 Nm @ 9500 RPM) has 77 more torque (in Nm) than 1977 Mercedes-Benz S. (223 Nm @ 4000 RPM). This means 1997 Alfa Romeo 155 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mercedes-Benz S.
Compare all specifications:
| 1997 Alfa Romeo 155 | 1977 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 155 | S |
| Year Released | 1997 | 1977 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 2745 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 493 HP | 158 HP |
| Engine RPM | 11700 RPM | 5500 RPM |
| Torque | 300 Nm | 223 Nm |
| Torque RPM | 9500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1610 kg |
| Vehicle Width | 1750 mm | 1880 mm |
