2009 Mercedes-Benz R vs. 2007 BMW Z4
To start off, 2009 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,985 cc (6 cylinders), 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (210 HP @ 3800 RPM) has 42 more horse power than 2007 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 85 kg more than 2009 Mercedes-Benz R.
Because 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R (540 Nm @ 1600 RPM) has 330 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2009 Mercedes-Benz R | 2007 BMW Z4 | |
| Make | Mercedes-Benz | BMW |
| Model | R | Z4 |
| Year Released | 2009 | 2007 |
| Body Type | Minivan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2985 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 210 HP | 168 HP |
| Engine RPM | 3800 RPM | 6250 RPM |
| Torque | 540 Nm | 210 Nm |
| Torque RPM | 1600 RPM | 3500 RPM |
| Engine Compression Ratio | 10.7:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1240 kg | 1325 kg |
| Vehicle Length | 5160 mm | 4100 mm |
| Vehicle Width | 1960 mm | 1790 mm |
| Vehicle Height | 1670 mm | 1310 mm |
| Wheelbase Size | 3220 mm | 2500 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 80 L | 55 L |
