2002 BMW Z4 vs. 2007 Mercedes-Benz GL
To start off, 2007 Mercedes-Benz GL is newer by 5 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 4,663 cc (8 cylinders), 2007 Mercedes-Benz GL is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz GL (335 HP @ 6000 RPM) has 108 more horse power than 2002 BMW Z4. (227 HP @ 5900 RPM) In normal driving conditions, 2007 Mercedes-Benz GL should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz GL weights approximately 1044 kg more than 2002 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz GL is four wheel drive (4WD), it will have significant more traction and grip than 2002 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Mercedes-Benz GL (460 Nm @ 2700 RPM) has 160 more torque (in Nm) than 2002 BMW Z4. (300 Nm @ 3500 RPM). This means 2007 Mercedes-Benz GL will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2002 BMW Z4 | 2007 Mercedes-Benz GL | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | GL |
| Year Released | 2002 | 2007 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 335 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 460 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 92.9 mm |
| Engine Stroke Size | 89.6 mm | 86 mm |
| Engine Compression Ratio | 10.2:1 | 10.7:1 |
| Top Speed | 244 km/hour | 235 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 7.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1386 kg | 2430 kg |
| Vehicle Length | 4100 mm | 5090 mm |
| Vehicle Width | 1790 mm | 1930 mm |
| Vehicle Height | 1310 mm | 1850 mm |
| Wheelbase Size | 2500 mm | 3080 mm |
| Fuel Consumption Overall | 9.5 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 55 L | 100 L |
