1977 BMW 520 vs. 2005 Ford Explorer
To start off, 2005 Ford Explorer is newer by 28 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 4,015 cc (6 cylinders), 2005 Ford Explorer is equipped with a bigger engine. In terms of performance, 2005 Ford Explorer (210 HP @ 6000 RPM) has 90 more horse power than 1977 BMW 520. (120 HP @ 6000 RPM) In normal driving conditions, 2005 Ford Explorer should accelerate faster than 1977 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 12 kg more than 2005 Ford Explorer.
Because 2005 Ford Explorer is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 Ford Explorer 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 Ford Explorer (344 Nm) has 184 more torque (in Nm) than 1977 BMW 520. (160 Nm). This means 2005 Ford Explorer will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 520.
Compare all specifications:
| 1977 BMW 520 | 2005 Ford Explorer | |
| Make | BMW | Ford |
| Model | 520 | Explorer |
| Year Released | 1977 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 4015 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 120 HP | 210 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 160 Nm | 344 Nm |
| Engine Bore Size | 80 mm | 100 mm |
| Engine Stroke Size | 66 mm | 84 mm |
| Engine Compression Ratio | 9.2:1 | 9.7:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1310 kg | 1298 kg |
| Vehicle Length | 4630 mm | 4820 mm |
| Vehicle Width | 1700 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1820 mm |
| Wheelbase Size | 2640 mm | 2870 mm |
| Fuel Tank Capacity | 70 L | 85 L |
