2007 Citroen C6 vs. 1987 Ford Sierra
To start off, 2007 Citroen C6 is newer by 20 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,292 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2007 Citroen C6 (168 HP @ 4000 RPM) has 56 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2007 Citroen C6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C6 weights approximately 760 kg more than 1987 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, 2007 Citroen C6 (370 Nm @ 1500 RPM) has 190 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2007 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2007 Citroen C6 | 1987 Ford Sierra | |
| Make | Citroen | Ford |
| Model | C6 | Sierra |
| Year Released | 2007 | 1987 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2179 cc | 2292 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 112 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 370 Nm | 180 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 85.1 mm | 96 mm |
| Engine Stroke Size | 96 mm | 79.5 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1895 kg | 1135 kg |
| Vehicle Width | 1870 mm | 1680 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2910 mm | 2620 mm |
