1987 BMW 730 vs. 2007 Cadillac BLS
To start off, 2007 Cadillac BLS is newer by 20 year(s). Which means there will be less support and parts availability for 1987 BMW 730. In addition, the cost of maintenance, including insurance, on 1987 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1987 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 Cadillac BLS (252 HP @ 5500 RPM) has 71 more horse power than 1987 BMW 730. (181 HP @ 5800 RPM) In normal driving conditions, 2007 Cadillac BLS should accelerate faster than 1987 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac BLS weights approximately 36 kg more than 1987 BMW 730. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1987 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac BLS, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac BLS (365 Nm @ 1800 RPM) has 105 more torque (in Nm) than 1987 BMW 730. (260 Nm @ 4000 RPM). This means 2007 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 730.
Compare all specifications:
| 1987 BMW 730 | 2007 Cadillac BLS | |
| Make | BMW | Cadillac |
| Model | 730 | BLS |
| Year Released | 1987 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 252 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 260 Nm | 365 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 89 mm | 89 mm |
| Engine Stroke Size | 80 mm | 74.8 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1602 kg | 1638 kg |
| Vehicle Length | 4920 mm | 4690 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 90 L | 58 L |
