2007 BMW 740 vs. 1992 Renault 21
To start off, 2007 BMW 740 is newer by 15 year(s). Which means there will be less support and parts availability for 1992 Renault 21. In addition, the cost of maintenance, including insurance, on 1992 Renault 21 would be higher. At 4,000 cc (8 cylinders), 2007 BMW 740 is equipped with a bigger engine. In terms of performance, 2007 BMW 740 (302 HP) has 211 more horse power than 1992 Renault 21. (91 HP). In normal driving conditions, 2007 BMW 740 should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 740 weights approximately 910 kg more than 1992 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 740 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 2007 BMW 740. However, in wet, icy, snow, or gravel driving conditions, 1992 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, 2007 BMW 740 (390 Nm @ 3500 RPM) has 252 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 2007 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21. 2007 BMW 740 has automatic transmission and 1992 Renault 21 has manual transmission. 1992 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 740 | 1992 Renault 21 | |
| Make | BMW | Renault |
| Model | 740 | 21 |
| Year Released | 2007 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 4000 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 302 HP | 91 HP |
| Torque | 390 Nm | 138 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1985 kg | 1075 kg |
| Vehicle Length | 5180 mm | 4650 mm |
| Vehicle Width | 1910 mm | 1720 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 3140 mm | 2820 mm |
