1985 Ford Sierra vs. 2002 Mercedes-Benz SL
To start off, 2002 Mercedes-Benz SL is newer by 17 year(s). Which means there will be less support and parts availability for 1985 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1985 Ford Sierra would be higher. At 3,724 cc (6 cylinders), 2002 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2002 Mercedes-Benz SL (242 HP @ 5700 RPM) has 94 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 2002 Mercedes-Benz SL should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Mercedes-Benz SL weights approximately 550 kg more than 1985 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, 2002 Mercedes-Benz SL (350 Nm @ 3000 RPM) has 130 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2002 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2002 Mercedes-Benz SL | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | SL |
| Year Released | 1985 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 3724 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 242 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 220 Nm | 350 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 97 mm |
| Engine Stroke Size | 68.5 mm | 84 mm |
| Vehicle Weight | 1205 kg | 1755 kg |
| Vehicle Length | 4400 mm | 4540 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2620 mm | 2570 mm |
