2007 Mercedes-Benz SLR McLaren vs. 1992 Renault 21
To start off, 2007 Mercedes-Benz SLR McLaren 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 5,438 cc (8 cylinders), 2007 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz SLR McLaren (617 HP @ 6500 RPM) has 526 more horse power than 1992 Renault 21. (91 HP @ 5200 RPM). In normal driving conditions, 2007 Mercedes-Benz SLR McLaren should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz SLR McLaren weights approximately 693 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 Mercedes-Benz SLR McLaren 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 Mercedes-Benz SLR McLaren. 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 Mercedes-Benz SLR McLaren (780 Nm @ 3250 RPM) has 642 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 2007 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21. 2007 Mercedes-Benz SLR McLaren 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 Mercedes-Benz SLR McLaren will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz SLR McLaren | 1992 Renault 21 | |
| Make | Mercedes-Benz | Renault |
| Model | SLR McLaren | 21 |
| Year Released | 2007 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 5438 cc | 1721 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 617 HP | 91 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 780 Nm | 138 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 97 mm | 81 mm |
| Engine Stroke Size | 92 mm | 83.5 mm |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1768 kg | 1075 kg |
| Vehicle Length | 4660 mm | 4650 mm |
| Vehicle Width | 1910 mm | 1720 mm |
| Vehicle Height | 1270 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2820 mm |
