2006 BMW 740 vs. 2007 Cadillac STS
To start off, 2007 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 740. In addition, the cost of maintenance, including insurance, on 2006 BMW 740 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 (320 HP @ 6400 RPM) has 18 more horse power than 2006 BMW 740. (302 HP @ 3700 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2006 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 740 weights approximately 307 kg more than 2007 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 37 more torque (in Nm) than 2006 BMW 740. (390 Nm @ 3700 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 740. 2007 Cadillac STS has automatic transmission and 2006 BMW 740 has manual transmission. 2006 BMW 740 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 740 | 2007 Cadillac STS | |
| Make | BMW | Cadillac |
| Model | 740 | STS |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3999 cc | 4565 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 320 HP |
| Engine RPM | 3700 RPM | 6400 RPM |
| Torque | 390 Nm | 427 Nm |
| Torque RPM | 3700 RPM | 4400 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1945 kg | 1638 kg |
| Vehicle Length | 5040 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2960 mm |
| Fuel Consumption Overall | 11.2 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 88 L | 64 L |
