1981 BMW 725 vs. 2007 Mercedes-Benz G
To start off, 2007 Mercedes-Benz G is newer by 26 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 5,439 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz G (469 HP @ 6100 RPM) has 321 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2007 Mercedes-Benz G should accelerate faster than 1981 BMW 725.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz G 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, 2007 Mercedes-Benz G (700 Nm @ 2650 RPM) has 485 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2007 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | G |
| Year Released | 1981 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 148 HP | 469 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 215 Nm | 700 Nm |
| Torque RPM | 4000 RPM | 2650 RPM |
| Engine Compression Ratio | 9.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4870 mm | 4670 mm |
| Vehicle Width | 1810 mm | 1870 mm |
| Vehicle Height | 1440 mm | 1940 mm |
| Wheelbase Size | 2810 mm | 2860 mm |
