1985 Ford Sierra vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 22 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 2,790 cc (6 cylinders), 1985 Ford Sierra is equipped with a bigger engine. In terms of performance, 1985 Ford Sierra (148 HP @ 5700 RPM) has 10 more horse power than 2007 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 1985 Ford Sierra should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 169 kg more than 1985 Ford Sierra.
Let's talk about torque, 2007 Mercedes-Benz B (300 Nm @ 1600 RPM) has 80 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 2007 Mercedes-Benz B | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | B |
| Year Released | 1985 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 1991 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 138 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 220 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 1600 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 68.5 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 1205 kg | 1374 kg |
| Vehicle Length | 4400 mm | 4280 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1610 mm |
| Wheelbase Size | 2620 mm | 2780 mm |
