2008 Cadillac STS vs. 2012 BMW 650
To start off, 2012 BMW 650 is newer by 4 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2012 BMW 650 (400 HP @ 5500 RPM) has 80 more horse power than 2008 Cadillac STS. (320 HP @ 6400 RPM) In normal driving conditions, 2012 BMW 650 should accelerate faster than 2008 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 650 weights approximately 455 kg more than 2008 Cadillac STS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2012 BMW 650 (609 Nm @ 1750 RPM) has 182 more torque (in Nm) than 2008 Cadillac STS. (427 Nm @ 4400 RPM). This means 2012 BMW 650 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac STS.
Compare all specifications:
| 2008 Cadillac STS | 2012 BMW 650 | |
| Make | Cadillac | BMW |
| Model | STS | 650 |
| Year Released | 2008 | 2012 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 400 HP |
| Engine RPM | 6400 RPM | 5500 RPM |
| Torque | 427 Nm | 609 Nm |
| Torque RPM | 4400 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 2090 kg |
| Vehicle Length | 5000 mm | 4894 mm |
| Vehicle Width | 1850 mm | 1894 mm |
| Vehicle Height | 1470 mm | 1369 mm |
| Wheelbase Size | 2960 mm | 2855 mm |
| Fuel Tank Capacity | 64 L | 70 L |
