2009 BMW X3 vs. 1971 Mercedes-Benz SL
To start off, 2009 BMW X3 is newer by 38 year(s). Which means there will be less support and parts availability for 1971 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1971 Mercedes-Benz SL would be higher. At 2,993 cc (6 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, 2009 BMW X3 (282 HP @ 4400 RPM) has 114 more horse power than 1971 Mercedes-Benz SL. (168 HP @ 5750 RPM). In normal driving conditions, 2009 BMW X3 should accelerate faster than 1971 Mercedes-Benz SL.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2009 BMW X3 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, 2009 BMW X3 (580 Nm @ 1750 RPM) has 340 more torque (in Nm) than 1971 Mercedes-Benz SL. (240 Nm @ 4500 RPM). This means 2009 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1971 Mercedes-Benz SL.
Compare all specifications:
| 2009 BMW X3 | 1971 Mercedes-Benz SL | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | SL |
| Year Released | 2009 | 1971 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2778 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 282 HP | 168 HP |
| Engine RPM | 4400 RPM | 5750 RPM |
| Torque | 580 Nm | 240 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1680 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2410 mm |
