1975 BMW 520 vs. 1990 Cadillac Aurora
To start off, 1990 Cadillac Aurora is newer by 15 year(s). Which means there will be less support and parts availability for 1975 BMW 520. In addition, the cost of maintenance, including insurance, on 1975 BMW 520 would be higher. At 4,465 cc (8 cylinders), 1990 Cadillac Aurora is equipped with a bigger engine. In terms of performance, 1990 Cadillac Aurora (200 HP @ 4300 RPM) has 77 more horse power than 1975 BMW 520. (123 HP @ 5700 RPM) In normal driving conditions, 1990 Cadillac Aurora should accelerate faster than 1975 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 1990 Cadillac Aurora weights approximately 293 kg more than 1975 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Cadillac Aurora is four wheel drive (4WD), it will have significant more traction and grip than 1975 BMW 520. In wet, icy, snow, or gravel driving conditions, 1990 Cadillac Aurora 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, 1990 Cadillac Aurora (366 Nm @ 3200 RPM) has 194 more torque (in Nm) than 1975 BMW 520. (172 Nm @ 4350 RPM). This means 1990 Cadillac Aurora will have an easier job in driving up hills or pulling heavy equipment than 1975 BMW 520. 1990 Cadillac Aurora has automatic transmission and 1975 BMW 520 has manual transmission. 1975 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Cadillac Aurora will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1975 BMW 520 | 1990 Cadillac Aurora | |
| Make | BMW | Cadillac |
| Model | 520 | Aurora |
| Year Released | 1975 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 4465 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 200 HP |
| Engine RPM | 5700 RPM | 4300 RPM |
| Torque | 172 Nm | 366 Nm |
| Torque RPM | 4350 RPM | 3200 RPM |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1295 kg | 1588 kg |
| Vehicle Length | 4630 mm | 4860 mm |
| Vehicle Width | 1700 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2640 mm | 2860 mm |
