1977 BMW 520 vs. 2010 Mercedes-Benz GL
To start off, 2010 Mercedes-Benz GL is newer by 33 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 4,700 cc (8 cylinders), 2010 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2010 Mercedes-Benz GL (335 HP @ 6000 RPM) has 201 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 2010 Mercedes-Benz GL should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mercedes-Benz GL weights approximately 860 kg more than 1977 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Mercedes-Benz GL is all wheel drive (AWD), it will have significant more traction and grip than 1977 BMW 520. In wet, icy, snow, or gravel driving conditions, 2010 Mercedes-Benz GL 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 GL (459 Nm @ 2700 RPM) has 179 more torque (in Nm) than 1977 BMW 520. (280 Nm @ 1750 RPM). This means 2010 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520. 2010 Mercedes-Benz GL has automatic transmission and 1977 BMW 520 has manual transmission. 1977 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2010 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 BMW 520 | 2010 Mercedes-Benz GL | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | GL |
| Year Released | 1977 | 2010 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 4700 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 134 HP | 335 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 459 Nm |
| Torque RPM | 1750 RPM | 2700 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1565 kg | 2425 kg |
| Vehicle Length | 4780 mm | 5095 mm |
| Vehicle Width | 1810 mm | 1930 mm |
| Vehicle Height | 1440 mm | 1839 mm |
| Wheelbase Size | 2840 mm | 3076 mm |
| Fuel Consumption | 4.7 L/100km | 13.8 L/100km |
| Fuel Consumption City | 7.8 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 70 L | 100 L |
