1981 BMW 725 vs. 1986 Renault 21
To start off, 1986 Renault 21 is newer by 5 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 2,493 cc (6 cylinders), 1981 BMW 725 is equipped with a bigger engine. In terms of performance, 1981 BMW 725 (148 HP @ 5500 RPM) has 61 more horse power than 1986 Renault 21. (87 HP @ 4250 RPM). In normal driving conditions, 1981 BMW 725 should accelerate faster than 1986 Renault 21.
Because 1981 BMW 725 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 1981 BMW 725. However, in wet, icy, snow, or gravel driving conditions, 1986 Renault 21, 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, 1981 BMW 725 (215 Nm @ 4000 RPM) has 30 more torque (in Nm) than 1986 Renault 21. (185 Nm @ 2000 RPM). This means 1981 BMW 725 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21.
Compare all specifications:
1981 BMW 725 | 1986 Renault 21 | |
Make | BMW | Renault |
Model | 725 | 21 |
Year Released | 1981 | 1986 |
Engine Position | Front | Front |
Engine Size | 2493 cc | 2067 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 148 HP | 87 HP |
Engine RPM | 5500 RPM | 4250 RPM |
Torque | 215 Nm | 185 Nm |
Torque RPM | 4000 RPM | 2000 RPM |
Engine Bore Size | 86 mm | 86 mm |
Engine Stroke Size | 71.6 mm | 89 mm |
Engine Compression Ratio | 9.6:1 | 21.0:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Length | 4870 mm | 4540 mm |
Vehicle Width | 1810 mm | 1720 mm |
Vehicle Height | 1440 mm | 1430 mm |
Wheelbase Size | 2810 mm | 2670 mm |