2007 BMW Z4 vs. 2004 Cadillac SRX
To start off, 2007 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2004 Cadillac SRX would be higher. At 3,556 cc (6 cylinders), 2004 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2004 Cadillac SRX (255 HP @ 6400 RPM) has 40 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2004 Cadillac SRX should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Cadillac SRX weights approximately 598 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2004 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 Cadillac SRX (342 Nm @ 2800 RPM) has 92 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2004 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2004 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | Z4 | SRX |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 255 HP |
| Engine RPM | 6500 RPM | 6400 RPM |
| Torque | 250 Nm | 342 Nm |
| Torque RPM | 2750 RPM | 2800 RPM |
| Engine Bore Size | 82 mm | 94.1 mm |
| Engine Stroke Size | 78.8 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1362 kg | 1960 kg |
| Vehicle Length | 4100 mm | 4960 mm |
| Vehicle Width | 1310 mm | 1850 mm |
| Vehicle Height | 1790 mm | 1730 mm |
| Wheelbase Size | 2500 mm | 2960 mm |
