1977 BMW 520 vs. 2004 Ford Explorer
To start off, 2004 Ford Explorer is newer by 27 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 4,605 cc (8 cylinders), 2004 Ford Explorer is equipped with a bigger engine. In terms of performance, 2004 Ford Explorer (239 HP @ 6000 RPM) has 105 more horse power than 1977 BMW 520. (134 HP @ 4000 RPM) In normal driving conditions, 2004 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 267 kg more than 2004 Ford Explorer.
Let's talk about torque, 2004 Ford Explorer (382 Nm) has 102 more torque (in Nm) than 1977 BMW 520. (280 Nm). This means 2004 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 | 2004 Ford Explorer | |
| Make | BMW | Ford |
| Model | 520 | Explorer |
| Year Released | 1977 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 4605 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 134 HP | 239 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 382 Nm |
| Engine Compression Ratio | 19.0:1 | 9.4:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1565 kg | 1298 kg |
| Vehicle Length | 4780 mm | 4820 mm |
| Vehicle Width | 1810 mm | 1840 mm |
| Vehicle Height | 1440 mm | 1820 mm |
| Wheelbase Size | 2840 mm | 2900 mm |
| Fuel Consumption | 4.7 L/100km | 11.8 L/100km |
| Fuel Consumption City | 7.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 5.9 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
