2009 Cadillac STS vs. 2010 BMW 123
To start off, 2010 BMW 123 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS 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 100 more horse power than 2010 BMW 123. (202 HP @ 4400 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2010 BMW 123. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 150 kg more than 2010 BMW 123. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2010 BMW 123 (400 Nm @ 2000 RPM) has 31 more torque (in Nm) than 2009 Cadillac STS. (369 Nm @ 5200 RPM). This means 2010 BMW 123 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac STS.
Compare all specifications:
| 2009 Cadillac STS | 2010 BMW 123 | |
| Make | Cadillac | BMW |
| Model | STS | 123 |
| Year Released | 2009 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 202 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 369 Nm | 400 Nm |
| Torque RPM | 5200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1635 kg | 1485 kg |
| Vehicle Length | 5000 mm | 4239 mm |
| Vehicle Width | 1850 mm | 1748 mm |
| Vehicle Height | 1470 mm | 1421 mm |
| Wheelbase Size | 2960 mm | 2660 mm |
| Fuel Consumption Highway | 9.1 L/100km | 4.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 7.9 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 64 L | 51 L |
