2007 Cadillac DTS vs. 2005 BMW 645
To start off, 2007 Cadillac DTS is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (326 HP @ 6100 RPM) has 50 more horse power than 2007 Cadillac DTS. (276 HP @ 6000 RPM) In normal driving conditions, 2005 BMW 645 should accelerate faster than 2007 Cadillac DTS.
Because 2005 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 2005 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, 2005 BMW 645 (447 Nm @ 3600 RPM) has 47 more torque (in Nm) than 2007 Cadillac DTS. (400 Nm @ 4400 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac DTS.
Compare all specifications:
| 2007 Cadillac DTS | 2005 BMW 645 | |
| Make | Cadillac | BMW |
| Model | DTS | 645 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 4392 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 326 HP |
| Engine RPM | 6000 RPM | 6100 RPM |
| Torque | 400 Nm | 447 Nm |
| Torque RPM | 4400 RPM | 3600 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5280 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1380 mm |
| Wheelbase Size | 2940 mm | 2890 mm |
| Fuel Consumption | 9.4 L/100km | 10.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 12.8 L/100km |
| Fuel Tank Capacity | 68 L | 70 L |
