1980 Mercedes-Benz G vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 26 year(s). Which means there will be less support and parts availability for 1980 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 1980 Mercedes-Benz G would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 203 more horse power than 1980 Mercedes-Benz G. (125 HP @ 5000 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1980 Mercedes-Benz G. With that said, vehicle weight also plays an important factor in acceleration. 1980 Mercedes-Benz G weights approximately 188 kg more than 2006 BMW 645.
Because 1980 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1980 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 BMW 645 (450 Nm @ 3600 RPM) has 258 more torque (in Nm) than 1980 Mercedes-Benz G. (192 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1980 Mercedes-Benz G. 2006 BMW 645 has automatic transmission and 1980 Mercedes-Benz G has manual transmission. 1980 Mercedes-Benz G will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1980 Mercedes-Benz G | 2006 BMW 645 | |
| Make | Mercedes-Benz | BMW |
| Model | G | 645 |
| Year Released | 1980 | 2006 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 4398 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 328 HP |
| Engine RPM | 5000 RPM | 6100 RPM |
| Torque | 192 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 95.5 mm | 92 mm |
| Engine Stroke Size | 80.2 mm | 82.7 mm |
| Engine Compression Ratio | 9.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1880 kg | 1692 kg |
| Vehicle Length | 4240 mm | 4830 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1940 mm | 1380 mm |
| Wheelbase Size | 2410 mm | 2790 mm |
