2005 BMW X5 vs. 1990 Cadillac Aurora
To start off, 2005 BMW X5 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Cadillac Aurora. In addition, the cost of maintenance, including insurance, on 1990 Cadillac Aurora would be higher. At 4,465 cc (8 cylinders), 1990 Cadillac Aurora is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (229 HP @ 5900 RPM) has 29 more horse power than 1990 Cadillac Aurora. (200 HP @ 4300 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1990 Cadillac Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 482 kg more than 1990 Cadillac Aurora. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 66 more torque (in Nm) than 2005 BMW X5. (300 Nm @ 3500 RPM). This means 1990 Cadillac Aurora will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 1990 Cadillac Aurora | |
| Make | BMW | Cadillac |
| Model | X5 | Aurora |
| Year Released | 2005 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4465 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 229 HP | 200 HP |
| Engine RPM | 5900 RPM | 4300 RPM |
| Torque | 300 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 89.6 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2070 kg | 1588 kg |
| Vehicle Length | 4670 mm | 4860 mm |
| Vehicle Width | 1880 mm | 1890 mm |
| Vehicle Height | 1770 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2860 mm |
