1991 Ford Sierra vs. 2008 Mercedes-Benz A
To start off, 2008 Mercedes-Benz A is newer by 17 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 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz A (114 HP @ 5500 RPM) has 39 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2008 Mercedes-Benz A should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz A weights approximately 95 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, 2008 Mercedes-Benz A (155 Nm @ 3500 RPM) has 3 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2008 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2008 Mercedes-Benz A | |
| Make | Ford | Mercedes-Benz |
| Model | Sierra | A |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1699 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 114 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 152 Nm | 155 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 83 mm |
| Engine Stroke Size | 82 mm | 78.5 mm |
| Engine Compression Ratio | 21.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 1240 kg |
| Vehicle Length | 4430 mm | 4630 mm |
| Vehicle Width | 1700 mm | 1770 mm |
| Vehicle Height | 1370 mm | 1600 mm |
| Wheelbase Size | 2620 mm | 2570 mm |
| Fuel Tank Capacity | 60 L | 60 L |
