2007 BMW Z4 vs. 2006 Mercedes-Benz GL
To start off, 2007 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mercedes-Benz GL. In addition, the cost of maintenance, including insurance, on 2006 Mercedes-Benz GL would be higher. At 3,996 cc (8 cylinders), 2006 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz GL (302 HP @ 3600 RPM) has 154 more horse power than 2007 BMW Z4. (148 HP @ 6200 RPM) In normal driving conditions, 2006 Mercedes-Benz GL should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz GL weights approximately 1255 kg more than 2007 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Mercedes-Benz GL 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, 2006 Mercedes-Benz GL 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 Mercedes-Benz GL (700 Nm @ 2200 RPM) has 500 more torque (in Nm) than 2007 BMW Z4. (200 Nm @ 3600 RPM). This means 2006 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4. 2006 Mercedes-Benz GL has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz GL will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2006 Mercedes-Benz GL | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | GL |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 3996 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 302 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 200 Nm | 700 Nm |
| Torque RPM | 3600 RPM | 2200 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 220 km/hour | 230 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 7.5 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1295 kg | 2550 kg |
| Vehicle Length | 4100 mm | 5090 mm |
| Vehicle Width | 1310 mm | 1930 mm |
| Vehicle Height | 1790 mm | 1850 mm |
| Wheelbase Size | 2500 mm | 3080 mm |
| Fuel Consumption Overall | 7.5 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
