2008 BMW Z4 vs. 2006 Cadillac SRX
To start off, 2008 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Cadillac SRX. In addition, the cost of maintenance, including insurance, on 2006 Cadillac SRX would be higher. At 4,572 cc (8 cylinders), 2006 Cadillac SRX is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 18 more horse power than 2006 Cadillac SRX. (320 HP @ 6400 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2006 Cadillac SRX. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac SRX weights approximately 466 kg more than 2008 BMW Z4.
Because 2006 Cadillac SRX is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 Cadillac SRX (427 Nm @ 4400 RPM) has 62 more torque (in Nm) than 2008 BMW Z4. (365 Nm @ 4900 RPM). This means 2006 Cadillac SRX will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4. 2006 Cadillac SRX has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac SRX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2006 Cadillac SRX | |
| Make | BMW | Cadillac |
| Model | Z4 | SRX |
| Year Released | 2008 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 4572 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 320 HP |
| Engine RPM | 7900 RPM | 6400 RPM |
| Torque | 365 Nm | 427 Nm |
| Torque RPM | 4900 RPM | 4400 RPM |
| Engine Bore Size | 91 mm | 93 mm |
| Engine Stroke Size | 87 mm | 84 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1951 kg |
| Vehicle Length | 4870 mm | 4960 mm |
| Vehicle Height | 1480 mm | 1730 mm |
| Wheelbase Size | 2500 mm | 2960 mm |
| Fuel Consumption Overall | 12.1 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 76 L |
