2002 BMW Z4 vs. 2005 Mercedes-Benz CLS
To start off, 2005 Mercedes-Benz CLS is newer by 3 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 4,966 cc (8 cylinders), 2005 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz CLS (302 HP @ 5600 RPM) has 109 more horse power than 2002 BMW Z4. (193 HP @ 6000 RPM) In normal driving conditions, 2005 Mercedes-Benz CLS should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz CLS weights approximately 450 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 Mercedes-Benz CLS (460 Nm @ 2700 RPM) has 215 more torque (in Nm) than 2002 BMW Z4. (245 Nm @ 3500 RPM). This means 2005 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
| 2002 BMW Z4 | 2005 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | CLS |
| Year Released | 2002 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 193 HP | 302 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 245 Nm | 460 Nm |
| Torque RPM | 3500 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 227 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 6.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1815 kg |
| Vehicle Length | 4100 mm | 4920 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1410 mm |
| Wheelbase Size | 2450 mm | 2780 mm |
| Fuel Consumption Overall | 9.5 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 55 L | 80 L |
