1967 Riley 4 vs. 2011 Citroen C5
To start off, 2011 Citroen C5 is newer by 44 year(s). Which means there will be less support and parts availability for 1967 Riley 4. In addition, the cost of maintenance, including insurance, on 1967 Riley 4 would be higher. At 1,997 cc (4 cylinders), 2011 Citroen C5 is equipped with a bigger engine. In terms of performance, 2011 Citroen C5 (138 HP @ 6000 RPM) has 71 more horse power than 1967 Riley 4. (67 HP @ 5000 RPM) In normal driving conditions, 2011 Citroen C5 should accelerate faster than 1967 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C5 weights approximately 454 kg more than 1967 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1967 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 1967 Riley 4. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2011 Citroen C5 (200 Nm @ 4000 RPM) has 80 more torque (in Nm) than 1967 Riley 4. (120 Nm @ 2500 RPM). This means 2011 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1967 Riley 4.
Compare all specifications:
| 1967 Riley 4 | 2011 Citroen C5 | |
| Make | Riley | Citroen |
| Model | 4 | C5 |
| Year Released | 1967 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1622 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 67 HP | 138 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 120 Nm | 200 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 76.2 mm | 85 mm |
| Engine Stroke Size | 88.9 mm | 88 mm |
| Engine Compression Ratio | 8.3:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1148 kg | 1602 kg |
| Vehicle Length | 4540 mm | 4790 mm |
| Vehicle Width | 1620 mm | 1860 mm |
| Vehicle Height | 1530 mm | 1460 mm |
| Wheelbase Size | 2530 mm | 2820 mm |
| Fuel Tank Capacity | 45 L | 71 L |
