2009 BMW X5 vs. 1986 Mercedes-Benz S
To start off, 2009 BMW X5 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1986 Mercedes-Benz S would be higher. At 4,196 cc (8 cylinders), 1986 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (268 HP @ 6650 RPM) has 53 more horse power than 1986 Mercedes-Benz S. (215 HP @ 5200 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 1986 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 575 kg more than 1986 Mercedes-Benz S. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2009 BMW X5 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, 1986 Mercedes-Benz S (330 Nm @ 3750 RPM) has 15 more torque (in Nm) than 2009 BMW X5. (315 Nm @ 2750 RPM). This means 1986 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X5.
Compare all specifications:
| 2009 BMW X5 | 1986 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | S |
| Year Released | 2009 | 1986 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 268 HP | 215 HP |
| Engine RPM | 6650 RPM | 5200 RPM |
| Torque | 315 Nm | 330 Nm |
| Torque RPM | 2750 RPM | 3750 RPM |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2130 kg | 1555 kg |
| Vehicle Length | 4860 mm | 5030 mm |
| Vehicle Width | 1940 mm | 1830 mm |
| Vehicle Height | 1750 mm | 1440 mm |
| Wheelbase Size | 2940 mm | 2950 mm |
