BMW Z4 2009 vs Mercedes SL 2008
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 2.5 Petrol | 3.0 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 204 HP | 231 HP | |
| Torque: | 250 NM | 300 NM | |
| Acceleration 0-100 km/h: | 7.3 seconds | 7.8 seconds | |
| BMW Z4 engine produces 27 HP less power than Mercedes SL, whereas torque is 50 NM less than Mercedes SL. Despite less power, BMW Z4 reaches 100 km/h speed 0.5 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.2 | 9.4 | |
|
The BMW Z4 is a better choice when it comes to fuel economy. BMW Z4 consumes 1.2 litres less fuel per 100 km than the Mercedes SL, which means that by driving the BMW Z4 over 15,000 km in a year you can save 180 litres of fuel. | |||
| Fuel tank capacity: | 55 litres | 80 litres | |
| Full fuel tank distance: | 670 km in combined cycle | 850 km in combined cycle | |
| 900 km on highway | 1140 km on highway | ||
| Mercedes SL gets more mileage on one fuel tank. | |||
Engines | |||
| Average engine lifespan: | 350'000 km | 420'000 km | |
| Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Mercedes SL engine could be longer. | |||
| Engine production duration: | 7 years | 13 years | |
| Engine spread: | Installed on at least 3 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X3 | Installed on at least 6 other car models, including Mercedes C klase, Mercedes E klase, Mercedes CLK, Mercedes SLK | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes SL might be a better choice in this respect. | |||
| BMW Z4 2009 2.5 engine: On this engine, the valve seals and crankcase breather valve diaphragm tend to fail after 80-100 000 km, leading to increased oil consumption. It is recommended to choose engines manufactured in the last years ... More about BMW Z4 2009 2.5 engine | |||
Dimensions | |||
| Length: | 4.24 m | 4.56 m | |
| Width: | 1.79 m | 1.82 m | |
| Height: | 1.29 m | 1.32 m | |
|
BMW Z4 is smaller. BMW Z4 is 32 cm shorter than the Mercedes SL, 3 cm narrower, while the height of BMW Z4 is 3 cm lower. | |||
| Trunk capacity: | 180 litres | 235 litres | |
| Trunk max capacity: with rear seats folded down |
310 litres | 339 litres | |
|
Mercedes SL has more luggage space. BMW Z4 has 55 litres less trunk space than the Mercedes SL. The maximum boot capacity (with all rear seats folded down) is larger in Mercedes SL (by 29 litres). | |||
| Turning diameter: | 10.7 meters | 11 meters | |
| The turning circle of the BMW Z4 is 0.3 metres less than that of the Mercedes SL. | |||
| Power steering: | Electric power steering | Hydraulic power steering | |
| Electric power steering is simpler, quieter, more fuel-efficient, more configurable and provides additional features such as auto-steering for lane assist and parking. The disadvantages of electric power steering are possible overheating under prolonged load conditions and insufficient feedback (feeling) during steering. | |||
| Gross weight (kg): | 1`760 | 2`110 | |
| Safety: | no data | no data | |
| Quality: | above average | no data | |
| Average price (€): | 18 600 | 25 200 | |
| Pros and Cons: |
BMW Z4 has
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Mercedes SL has
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