1992 Alfa Romeo 155 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 17 year(s). Which means there will be less support and parts availability for 1992 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1992 Alfa Romeo 155 would be higher. At 5,980 cc (12 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (661 HP @ 5400 RPM) has 168 more horse power than 1992 Alfa Romeo 155. (493 HP @ 11700 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 1992 Alfa Romeo 155. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 325 kg more than 1992 Alfa Romeo 155. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Mercedes-Benz SL (1,000 Nm @ 2200 RPM) has 700 more torque (in Nm) than 1992 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1992 Alfa Romeo 155.
Compare all specifications:
| 1992 Alfa Romeo 155 | 2009 Mercedes-Benz SL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 155 | SL |
| Year Released | 1992 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 5980 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 493 HP | 661 HP |
| Engine RPM | 11700 RPM | 5400 RPM |
| Torque | 300 Nm | 1000 Nm |
| Torque RPM | 9500 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1365 kg |
