2009 BMW Z4 vs. 2011 Mercedes-Benz GLK
To start off, 2011 Mercedes-Benz GLK is newer by 2 year(s). Which means there will be less support and parts availability for 2009 BMW Z4. In addition, the cost of maintenance, including insurance, on 2009 BMW Z4 would be higher. At 3,500 cc (6 cylinders), 2011 Mercedes-Benz GLK is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz GLK (268 HP @ 6000 RPM) has 53 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2011 Mercedes-Benz GLK should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz GLK weights approximately 488 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Mercedes-Benz GLK is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2011 Mercedes-Benz GLK 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 Mercedes-Benz GLK (349 Nm @ 2400 RPM) has 99 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2750 RPM). This means 2011 Mercedes-Benz GLK will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2011 Mercedes-Benz GLK has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Mercedes-Benz GLK will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW Z4 | 2011 Mercedes-Benz GLK | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | GLK |
| Year Released | 2009 | 2011 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 268 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 349 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1362 kg | 1850 kg |
| Vehicle Length | 4100 mm | 4529 mm |
| Vehicle Width | 1310 mm | 1887 mm |
| Vehicle Height | 1790 mm | 1699 mm |
| Wheelbase Size | 2500 mm | 2756 mm |
| Fuel Tank Capacity | 55 L | 66 L |
