1986 Renault 21 vs. 2012 BMW X6
To start off, 2012 BMW X6 is newer by 26 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 4,400 cc (8 cylinders), 2012 BMW X6 is equipped with a bigger engine. In terms of performance, 2012 BMW X6 (400 HP @ 5500 RPM) has 325 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM) In normal driving conditions, 2012 BMW X6 should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X6 weights approximately 1415 kg more than 1986 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 1986 Renault 21. In wet, icy, snow, or gravel driving conditions, 2012 BMW X6 will offer significantly more control. 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, 2012 BMW X6 (609 Nm @ 1750 RPM) has 480 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2012 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2012 BMW X6 has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Renault 21 | 2012 BMW X6 | |
| Make | Renault | BMW |
| Model | 21 | X6 |
| Year Released | 1986 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 400 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 129 Nm | 609 Nm |
| Torque RPM | 3250 RPM | 1750 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 955 kg | 2370 kg |
| Vehicle Length | 4470 mm | 4877 mm |
| Vehicle Width | 1710 mm | 1983 mm |
| Vehicle Height | 1420 mm | 1690 mm |
| Wheelbase Size | 2670 mm | 2933 mm |
| Fuel Tank Capacity | 66 L | 85 L |
