1981 BMW 725 vs. 2005 Mercedes-Benz G
To start off, 2005 Mercedes-Benz G is newer by 24 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 3,197 cc (6 cylinders), 2005 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz G (212 HP @ 5500 RPM) has 64 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2005 Mercedes-Benz G should accelerate faster than 1981 BMW 725.
Because 2005 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, 2005 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, 2005 Mercedes-Benz G (300 Nm @ 2800 RPM) has 85 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2005 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 | 2005 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | G |
| Year Released | 1981 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 3197 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 148 HP | 212 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 215 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 86 mm | 89.9 mm |
| Engine Stroke Size | 71.6 mm | 84 mm |
| 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 | 3 doors |
| Vehicle Length | 4870 mm | 4230 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1940 mm |
| Wheelbase Size | 2810 mm | 2410 mm |
