2006 BMW Z4 vs. 2005 Cadillac SRX
To start off, 2006 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2005 Cadillac SRX would be higher. At 3,556 cc (6 cylinders), 2005 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2005 Cadillac SRX (255 HP @ 6000 RPM) has 66 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2005 Cadillac SRX should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac SRX weights approximately 554 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2005 Cadillac SRX (342 Nm) has 97 more torque (in Nm) than 2006 BMW Z4. (245 Nm). This means 2005 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4. 2005 Cadillac SRX has automatic transmission and 2006 BMW Z4 has manual transmission. 2006 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Cadillac SRX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW Z4 | 2005 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | Z4 | SRX |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3556 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 255 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 342 Nm |
| Engine Bore Size | 84 mm | 94 mm |
| Engine Stroke Size | 75 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1889 kg |
| Vehicle Length | 4100 mm | 4960 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1730 mm |
| Wheelbase Size | 2500 mm | 3090 mm |
| Fuel Consumption Overall | 9 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 55 L | 76 L |
