1991 Alfa Romeo Proteo vs. 1989 Mercedes-Benz SL
To start off, 1991 Alfa Romeo Proteo is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1989 Mercedes-Benz SL would be higher. At 2,962 cc (6 cylinders), 1989 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo Proteo (256 HP @ 7200 RPM) has 28 more horse power than 1989 Mercedes-Benz SL. (228 HP @ 6400 RPM). In normal driving conditions, 1991 Alfa Romeo Proteo should accelerate faster than 1989 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1989 Mercedes-Benz SL weights approximately 220 kg more than 1991 Alfa Romeo Proteo.
Because 1991 Alfa Romeo Proteo is four wheel drive (4WD), it will have significant more traction and grip than 1989 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 1991 Alfa Romeo Proteo will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control.
Compare all specifications:
| 1991 Alfa Romeo Proteo | 1989 Mercedes-Benz SL | |
| Make | Alfa Romeo | Mercedes-Benz |
| Model | Proteo | SL |
| Year Released | 1991 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2962 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 228 HP |
| Engine RPM | 7200 RPM | 6400 RPM |
| Engine Bore Size | 93.1 mm | 88.6 mm |
| Engine Stroke Size | 72.6 mm | 80.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1470 kg | 1690 kg |
| Vehicle Length | 4150 mm | 4480 mm |
