2007 BMW 545 vs. 1990 Cadillac Aurora
To start off, 2007 BMW 545 is newer by 17 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, 2007 BMW 545 (328 HP @ 6100 RPM) has 128 more horse power than 1990 Cadillac Aurora. (200 HP @ 4300 RPM). In normal driving conditions, 2007 BMW 545 should accelerate faster than 1990 Cadillac Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 387 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.
Because 1990 Cadillac Aurora is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 545. 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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 84 more torque (in Nm) than 1990 Cadillac Aurora. (366 Nm @ 3200 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1990 Cadillac Aurora. 1990 Cadillac Aurora has automatic transmission and 2007 BMW 545 has manual transmission. 2007 BMW 545 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:
| 2007 BMW 545 | 1990 Cadillac Aurora | |
| Make | BMW | Cadillac |
| Model | 545 | Aurora |
| Year Released | 2007 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 4465 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 200 HP |
| Engine RPM | 6100 RPM | 4300 RPM |
| Torque | 450 Nm | 366 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 92 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1975 kg | 1588 kg |
| Vehicle Length | 4850 mm | 4860 mm |
| Vehicle Width | 1850 mm | 1890 mm |
| Vehicle Height | 1500 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2860 mm |
