1981 BMW 520 vs. 2004 Ford Excursion
To start off, 2004 Ford Excursion is newer by 23 year(s). Which means there will be less support and parts availability for 1981 BMW 520. In addition, the cost of maintenance, including insurance, on 1981 BMW 520 would be higher. At 6,801 cc (10 cylinders), 2004 Ford Excursion is equipped with a bigger engine. In terms of performance, 2004 Ford Excursion (310 HP @ 6250 RPM) has 187 more horse power than 1981 BMW 520. (123 HP @ 5800 RPM) In normal driving conditions, 2004 Ford Excursion should accelerate faster than 1981 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 Ford Excursion weights approximately 2041 kg more than 1981 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Ford Excursion is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 520. In wet, icy, snow, or gravel driving conditions, 2004 Ford Excursion 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, 2004 Ford Excursion (576 Nm) has 406 more torque (in Nm) than 1981 BMW 520. (170 Nm). This means 2004 Ford Excursion will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 520.
Compare all specifications:
| 1981 BMW 520 | 2004 Ford Excursion | |
| Make | BMW | Ford |
| Model | 520 | Excursion |
| Year Released | 1981 | 2004 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 6801 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 310 HP |
| Engine RPM | 5800 RPM | 6250 RPM |
| Torque | 170 Nm | 576 Nm |
| Engine Bore Size | 80 mm | 90 mm |
| Engine Stroke Size | 66 mm | 106 mm |
| Engine Compression Ratio | 9.8:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1220 kg | 3261 kg |
| Vehicle Length | 4630 mm | 5760 mm |
| Vehicle Width | 1710 mm | 2040 mm |
| Vehicle Height | 1430 mm | 2050 mm |
| Wheelbase Size | 2630 mm | 3490 mm |
| Fuel Tank Capacity | 70 L | 167 L |
