2009 Cadillac STS vs. 1999 BMW 730
To start off, 2009 Cadillac STS is newer by 10 year(s). Which means there will be less support and parts availability for 1999 BMW 730. In addition, the cost of maintenance, including insurance, on 1999 BMW 730 would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 112 more horse power than 1999 BMW 730. (190 HP @ 5300 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1999 BMW 730. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 730 weights approximately 111 kg more than 2009 Cadillac STS.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 89 more torque (in Nm) than 1999 BMW 730. (280 Nm @ 3950 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 730.
Compare all specifications:
| 2009 Cadillac STS | 1999 BMW 730 | |
| Make | Cadillac | BMW |
| Model | STS | 730 |
| Year Released | 2009 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 2793 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 190 HP |
| Engine RPM | 6300 RPM | 5300 RPM |
| Torque | 369 Nm | 280 Nm |
| Torque RPM | 5200 RPM | 3950 RPM |
| Engine Compression Ratio | 11.3:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1746 kg |
| Vehicle Length | 5000 mm | 5130 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2960 mm | 2940 mm |
| Fuel Tank Capacity | 64 L | 90 L |
