1991 Renault 21 vs. 1970 Subaru FF-1
To start off, 1991 Renault 21 is newer by 21 year(s). Which means there will be less support and parts availability for 1970 Subaru FF-1. In addition, the cost of maintenance, including insurance, on 1970 Subaru FF-1 would be higher. At 1,721 cc (4 cylinders), 1991 Renault 21 is equipped with a bigger engine. In terms of performance, 1970 Subaru FF-1 (93 HP @ 7000 RPM) has 18 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 1970 Subaru FF-1 should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 1991 Renault 21 weights approximately 260 kg more than 1970 Subaru FF-1.
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, 1991 Renault 21 (129 Nm @ 3250 RPM) has 26 more torque (in Nm) than 1970 Subaru FF-1. (103 Nm @ 5000 RPM). This means 1991 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1970 Subaru FF-1.
Compare all specifications:
| 1991 Renault 21 | 1970 Subaru FF-1 | |
| Make | Renault | Subaru |
| Model | 21 | FF-1 |
| Year Released | 1991 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1267 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 93 HP |
| Engine RPM | 5000 RPM | 7000 RPM |
| Torque | 129 Nm | 103 Nm |
| Torque RPM | 3250 RPM | 5000 RPM |
| Engine Bore Size | 81 mm | 82 mm |
| Engine Stroke Size | 83.5 mm | 60 mm |
| Engine Compression Ratio | 9.2:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 760 kg |
| Vehicle Length | 4650 mm | 3910 mm |
| Vehicle Width | 1720 mm | 1490 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2820 mm | 2430 mm |
