2006 BMW 645 vs. 2007 Cadillac DTS
To start off, 2007 Cadillac DTS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,563 cc (8 cylinders), 2007 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 36 more horse power than 2007 Cadillac DTS. (292 HP @ 6300 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2007 Cadillac DTS.
Because 2006 BMW 645 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac DTS, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 59 more torque (in Nm) than 2007 Cadillac DTS. (391 Nm @ 4500 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac DTS.
Compare all specifications:
| 2006 BMW 645 | 2007 Cadillac DTS | |
| Make | BMW | Cadillac |
| Model | 645 | DTS |
| Year Released | 2006 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4563 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 292 HP |
| Engine RPM | 6100 RPM | 6300 RPM |
| Torque | 450 Nm | 391 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4830 mm | 5280 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2790 mm | 2940 mm |
| Fuel Consumption Overall | 13.3 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 68 L |
