2001 Citroen C5 vs. 1991 Ford Sierra
To start off, 2001 Citroen C5 is newer by 10 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 1,997 cc (4 cylinders), 2001 Citroen C5 is equipped with a bigger engine. In terms of performance, 1991 Ford Sierra (75 HP @ 4500 RPM) has 16 more horse power than 2001 Citroen C5. (59 HP @ 4000 RPM) In normal driving conditions, 1991 Ford Sierra should accelerate faster than 2001 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2001 Citroen C5 weights approximately 319 kg more than 1991 Ford Sierra.
Let's talk about torque, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 37 more torque (in Nm) than 2001 Citroen C5. (115 Nm @ 1750 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Citroen C5.
Compare all specifications:
| 2001 Citroen C5 | 1991 Ford Sierra | |
| Make | Citroen | Ford |
| Model | C5 | Sierra |
| Year Released | 2001 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 75 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 115 Nm | 152 Nm |
| Torque RPM | 1750 RPM | 2200 RPM |
| Engine Bore Size | 85 mm | 82.5 mm |
| Engine Stroke Size | 88 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 21.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1464 kg | 1145 kg |
| Vehicle Length | 4760 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1520 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 60 L |
