2009 Citroen C4 vs. 1985 Renault 18
To start off, 2009 Citroen C4 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Renault 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 1,587 cc (4 cylinders), 2009 Citroen C4 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (108 HP) has 45 more horse power than 1985 Renault 18. (63 HP). In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 290 kg more than 1985 Renault 18. 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, 2009 Citroen C4 (147 Nm @ 4000 RPM) has 44 more torque (in Nm) than 1985 Renault 18. (103 Nm @ 3000 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18.
Compare all specifications:
| 2009 Citroen C4 | 1985 Renault 18 | |
| Make | Citroen | Renault |
| Model | C4 | 18 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1587 cc | 1395 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 63 HP |
| Torque | 147 Nm | 103 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 78.5 mm | 76 mm |
| Engine Stroke Size | 82 mm | 77 mm |
| Engine Compression Ratio | 11.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 985 kg |
| Vehicle Length | 4270 mm | 4410 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2610 mm | 2450 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
