2004 BMW 645 vs. 2007 Cadillac SRX
To start off, 2007 Cadillac SRX is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,392 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (322 HP @ 7400 RPM) has 68 more horse power than 2007 Cadillac SRX. (254 HP @ 6500 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2007 Cadillac SRX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac SRX weights approximately 356 kg more than 2004 BMW 645.
Because 2007 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac SRX 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, 2004 BMW 645 (447 Nm) has 108 more torque (in Nm) than 2007 Cadillac SRX. (339 Nm). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2007 Cadillac SRX.
Compare all specifications:
| 2004 BMW 645 | 2007 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | 645 | SRX |
| Year Released | 2004 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 3564 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 322 HP | 254 HP |
| Engine RPM | 7400 RPM | 6500 RPM |
| Torque | 447 Nm | 339 Nm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1715 kg | 2071 kg |
| Vehicle Length | 4840 mm | 4960 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1380 mm | 1730 mm |
| Wheelbase Size | 2790 mm | 2960 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
