1991 Rover 400 vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 20 year(s). Which means there will be less support and parts availability for 1991 Rover 400. In addition, the cost of maintenance, including insurance, on 1991 Rover 400 would be higher. At 1,997 cc (4 cylinders), 2011 Citroen C4 is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (134 HP @ 6000 RPM) has 40 more horse power than 1991 Rover 400. (94 HP @ 6250 RPM) In normal driving conditions, 2011 Citroen C4 should accelerate faster than 1991 Rover 400. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C4 weights approximately 317 kg more than 1991 Rover 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 C4 (191 Nm @ 4100 RPM) has 67 more torque (in Nm) than 1991 Rover 400. (124 Nm @ 4000 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Rover 400.
Compare all specifications:
| 1991 Rover 400 | 2011 Citroen C4 | |
| Make | Rover | Citroen |
| Model | 400 | C4 |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1395 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 94 HP | 134 HP |
| Engine RPM | 6250 RPM | 6000 RPM |
| Torque | 124 Nm | 191 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Bore Size | 75 mm | 85 mm |
| Engine Stroke Size | 79 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1020 kg | 1337 kg |
| Vehicle Length | 4370 mm | 4270 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2560 mm | 2610 mm |
