2007 Cadillac STS vs. 2012 BMW 520
To start off, 2012 BMW 520 is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 3,556 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (254 HP @ 6500 RPM) has 72 more horse power than 2012 BMW 520. (182 HP @ 4000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2012 BMW 520.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 520. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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, 2012 BMW 520 (380 Nm @ 2750 RPM) has 38 more torque (in Nm) than 2007 Cadillac STS. (342 Nm @ 3200 RPM). This means 2012 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac STS.
Compare all specifications:
| 2007 Cadillac STS | 2012 BMW 520 | |
| Make | Cadillac | BMW |
| Model | STS | 520 |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3556 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 182 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 342 Nm | 380 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Engine Bore Size | 94 mm | 90 mm |
| Engine Stroke Size | 85.6 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4907 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1462 mm |
| Wheelbase Size | 2960 mm | 2968 mm |
| Fuel Tank Capacity | 66 L | 70 L |
