1973 BMW 525 vs. 2008 BMW X5
To start off, 2008 BMW X5 is newer by 35 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 4,619 cc, 2008 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 800 kg more than 1973 BMW 525.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1973 BMW 525. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2008 BMW X5 (480 Nm @ 3700 RPM) has 272 more torque (in Nm) than 1973 BMW 525. (208 Nm @ 4000 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1973 BMW 525. 2008 BMW X5 has automatic transmission and 1973 BMW 525 has manual transmission. 1973 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 BMW 525 | 2008 BMW X5 | |
| Make | BMW | BMW |
| Model | 525 | X5 |
| Year Released | 1973 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4619 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 143 HP | 0 HP |
| Torque | 208 Nm | 480 Nm |
| Torque RPM | 4000 RPM | 3700 RPM |
| Engine Bore Size | 86 mm | 93.1 mm |
| Engine Stroke Size | 71.6 mm | 85 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 10.5 seconds | 6.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1380 kg | 2180 kg |
| Vehicle Width | 1700 mm | 1880 mm |
| Wheelbase Size | 2640 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 93 L |
