2008 BMW X5 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 BMW X5. In addition, the cost of maintenance, including insurance, on 2008 BMW X5 would be higher. At 3,000 cc (6 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (335 HP @ 5900 RPM) has 75 more horse power than 2008 BMW X5. (260 HP @ 6600 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 60 kg more than 2008 BMW X5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2011 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2011 BMW Z4 (450 Nm @ 1500 RPM) has 145 more torque (in Nm) than 2008 BMW X5. (305 Nm @ 2750 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5. 2008 BMW X5 has automatic transmission and 2011 BMW Z4 has manual transmission. 2011 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 2011 BMW Z4 | |
| Make | BMW | BMW |
| Model | X5 | Z4 |
| Year Released | 2008 | 2011 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 335 HP |
| Engine RPM | 6600 RPM | 5900 RPM |
| Torque | 305 Nm | 450 Nm |
| Torque RPM | 2750 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1550 kg | 1610 kg |
| Vehicle Length | 4860 mm | 4242 mm |
| Vehicle Width | 1940 mm | 1791 mm |
| Vehicle Height | 1770 mm | 1285 mm |
| Wheelbase Size | 2940 mm | 2497 mm |
| Fuel Consumption Highway | 11.4 L/100km | 9.8 L/100km |
| Fuel Consumption City | 15.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 85 L | 55 L |
