1986 Renault 21 vs. 1971 Simca 1100
To start off, 1986 Renault 21 is newer by 15 year(s). Which means there will be less support and parts availability for 1971 Simca 1100. In addition, the cost of maintenance, including insurance, on 1971 Simca 1100 would be higher. At 1,719 cc (4 cylinders), 1986 Renault 21 is equipped with a bigger engine. In terms of performance, 1986 Renault 21 (87 HP @ 5500 RPM) has 30 more horse power than 1971 Simca 1100. (57 HP @ 6000 RPM). In normal driving conditions, 1986 Renault 21 should accelerate faster than 1971 Simca 1100. With that said, vehicle weight also plays an important factor in acceleration. 1986 Renault 21 weights approximately 80 kg more than 1971 Simca 1100. 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, 1986 Renault 21 (138 Nm @ 3500 RPM) has 47 more torque (in Nm) than 1971 Simca 1100. (91 Nm @ 3600 RPM). This means 1986 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1971 Simca 1100.
Compare all specifications:
| 1986 Renault 21 | 1971 Simca 1100 | |
| Make | Renault | Simca |
| Model | 21 | 1100 |
| Year Released | 1986 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1719 cc | 1204 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 57 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 138 Nm | 91 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 74 mm |
| Engine Stroke Size | 83.5 mm | 65 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1030 kg | 950 kg |
| Vehicle Length | 4650 mm | 3950 mm |
| Vehicle Width | 1720 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 2530 mm |
| Fuel Tank Capacity | 34 L | 47 L |
