1983 BMW 525 vs. 2009 BMW X6
To start off, 2009 BMW X6 is newer by 26 year(s). Which means there will be less support and parts availability for 1983 BMW 525. In addition, the cost of maintenance, including insurance, on 1983 BMW 525 would be higher. At 2,977 cc (6 cylinders), 2009 BMW X6 is equipped with a bigger engine. In terms of performance, 2009 BMW X6 (300 HP @ 5800 RPM) has 177 more horse power than 1983 BMW 525. (123 HP @ 4250 RPM) In normal driving conditions, 2009 BMW X6 should accelerate faster than 1983 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X6 weights approximately 895 kg more than 1983 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X6 is four wheel drive (4WD), it will have significant more traction and grip than 1983 BMW 525. In wet, icy, snow, or gravel driving conditions, 2009 BMW X6 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, 2009 BMW X6 (407 Nm @ 1400 RPM) has 166 more torque (in Nm) than 1983 BMW 525. (241 Nm @ 3250 RPM). This means 2009 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1983 BMW 525. 2009 BMW X6 has automatic transmission and 1983 BMW 525 has manual transmission. 1983 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1983 BMW 525 | 2009 BMW X6 | |
| Make | BMW | BMW |
| Model | 525 | X6 |
| Year Released | 1983 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2693 cc | 2977 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 300 HP |
| Engine RPM | 4250 RPM | 5800 RPM |
| Torque | 241 Nm | 407 Nm |
| Torque RPM | 3250 RPM | 1400 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 81 mm | 89.6 mm |
| Top Speed | 185 km/hour | 240 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 2145 kg |
| Vehicle Length | 4630 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1990 mm |
| Vehicle Height | 1430 mm | 1700 mm |
| Wheelbase Size | 2630 mm | 2940 mm |
| Fuel Tank Capacity | 70 L | 85 L |
