1981 BMW 725 vs. 2010 Mercedes-Benz R
To start off, 2010 Mercedes-Benz R is newer by 29 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 3,500 cc (6 cylinders), 2010 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz R (268 HP @ 6000 RPM) has 120 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2010 Mercedes-Benz R should accelerate faster than 1981 BMW 725.
Because 2010 Mercedes-Benz R is all wheel drive (AWD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2010 Mercedes-Benz R 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, 2010 Mercedes-Benz R (349 Nm @ 2400 RPM) has 134 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2010 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2010 Mercedes-Benz R | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | R |
| Year Released | 1981 | 2010 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 268 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 215 Nm | 349 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4870 mm | 5156 mm |
| Vehicle Width | 1810 mm | 1958 mm |
| Vehicle Height | 1440 mm | 1661 mm |
| Wheelbase Size | 2810 mm | 3216 mm |
