2007 Cadillac STS vs. 2012 BMW 640
To start off, 2012 BMW 640 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 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 4 more horse power than 2012 BMW 640. (318 HP @ 5800 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2012 BMW 640. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 5 kg more than 2007 Cadillac STS.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2012 BMW 640. 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 640 (450 Nm @ 1300 RPM) has 23 more torque (in Nm) than 2007 Cadillac STS. (427 Nm @ 4400 RPM). This means 2012 BMW 640 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 640 | |
| Make | Cadillac | BMW |
| Model | STS | 640 |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 318 HP |
| Engine RPM | 6400 RPM | 5800 RPM |
| Torque | 427 Nm | 450 Nm |
| Torque RPM | 4400 RPM | 1300 RPM |
| Engine Bore Size | 93 mm | 89.6 mm |
| Engine Stroke Size | 84 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 5.4 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1820 kg | 1825 kg |
| Vehicle Length | 4990 mm | 5007 mm |
| Vehicle Width | 1850 mm | 1894 mm |
| Vehicle Height | 1470 mm | 1392 mm |
| Wheelbase Size | 2960 mm | 2968 mm |
| Fuel Consumption Highway | 9.1 L/100km | 6.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 10.6 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
