1981 BMW 725 vs. 2006 Mercedes-Benz G
To start off, 2006 Mercedes-Benz G is newer by 25 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 4,966 cc (8 cylinders), 2006 Mercedes-Benz G is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz G (292 HP @ 5500 RPM) has 144 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2006 Mercedes-Benz G should accelerate faster than 1981 BMW 725.
Because 2006 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, 2006 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, 2006 Mercedes-Benz G (456 Nm @ 2800 RPM) has 241 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2006 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 | 2006 Mercedes-Benz G | |
| Make | BMW | Mercedes-Benz |
| Model | 725 | G |
| Year Released | 1981 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 148 HP | 292 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 215 Nm | 456 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 86 mm | 97.1 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 | 4260 mm |
| Vehicle Width | 1810 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1950 mm |
| Wheelbase Size | 2810 mm | 2410 mm |
