1991 Ford Sierra vs. 2006 Mercedes-Benz CL
To start off, 2006 Mercedes-Benz CL is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 5,439 cc (8 cylinders), 2006 Mercedes-Benz CL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz CL (493 HP @ 6100 RPM) has 418 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2006 Mercedes-Benz CL should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz CL weights approximately 850 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Mercedes-Benz CL (701 Nm @ 2750 RPM) has 549 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2006 Mercedes-Benz CL will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2006 Mercedes-Benz CL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | CL |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 493 HP |
| Engine RPM | 4500 RPM | 6100 RPM |
| Torque | 152 Nm | 701 Nm |
| Torque RPM | 2200 RPM | 2750 RPM |
| Engine Bore Size | 82.5 mm | 97 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1995 kg |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1700 mm | 1860 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2620 mm | 2890 mm |
| Fuel Tank Capacity | 60 L | 88 L |
