2001 Citroen C5 vs. 1971 Riley 4
To start off, 2001 Citroen C5 is newer by 30 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 2,177 cc (4 cylinders), 2001 Citroen C5 is equipped with a bigger engine. In terms of performance, 1971 Riley 4 (67 HP @ 5000 RPM) has 8 more horse power than 2001 Citroen C5. (59 HP @ 4000 RPM) In normal driving conditions, 1971 Riley 4 should accelerate faster than 2001 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2001 Citroen C5 weights approximately 410 kg more than 1971 Riley 4.
Because 1971 Riley 4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1971 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2001 Citroen C5, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1971 Riley 4 (121 Nm @ 2500 RPM) has 11 more torque (in Nm) than 2001 Citroen C5. (110 Nm @ 2000 RPM). This means 1971 Riley 4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Citroen C5.
Compare all specifications:
| 2001 Citroen C5 | 1971 Riley 4 | |
| Make | Citroen | Riley |
| Model | C5 | 4 |
| Year Released | 2001 | 1971 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2177 cc | 1622 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 67 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 110 Nm | 121 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Bore Size | 85 mm | 76.3 mm |
| Engine Stroke Size | 96 mm | 88.9 mm |
| Engine Compression Ratio | 18.0:1 | 8.3:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1558 kg | 1148 kg |
| Vehicle Length | 4760 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1620 mm |
| Vehicle Height | 1520 mm | 1510 mm |
| Wheelbase Size | 2760 mm | 2530 mm |
| Fuel Tank Capacity | 68 L | 45 L |
