1997 Alfa Romeo 155 vs. 2003 Mercedes-Benz S
To start off, 2003 Mercedes-Benz S is newer by 6 year(s). Which means there will be less support and parts availability for 1997 Alfa Romeo 155. In addition, the cost of maintenance, including insurance, on 1997 Alfa Romeo 155 would be higher. At 4,266 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1997 Alfa Romeo 155 (493 HP @ 11700 RPM) has 217 more horse power than 2003 Mercedes-Benz S. (276 HP @ 5750 RPM). In normal driving conditions, 1997 Alfa Romeo 155 should accelerate faster than 2003 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 915 kg more than 1997 Alfa Romeo 155.
Let's talk about torque, 2003 Mercedes-Benz S (400 Nm @ 3000 RPM) has 100 more torque (in Nm) than 1997 Alfa Romeo 155. (300 Nm @ 9500 RPM). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1997 Alfa Romeo 155.
Compare all specifications:
| 1997 Alfa Romeo 155 | 2003 Mercedes-Benz S | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | 155 | S |
| Year Released | 1997 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2499 cc | 4266 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 493 HP | 276 HP |
| Engine RPM | 11700 RPM | 5750 RPM |
| Torque | 300 Nm | 400 Nm |
| Torque RPM | 9500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1955 kg |
| Vehicle Width | 1750 mm | 1860 mm |
