BMW Z4 2009 vs Mercedes SLK 2008
| Gearbox: | Automatic | Manual | |
|---|---|---|---|
| Engine: | 2.5 Petrol | 1.8 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 204 HP | 184 HP | |
| Torque: | 250 NM | 240 NM | |
| Acceleration 0-100 km/h: | 7.3 seconds | 7.6 seconds | |
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BMW Z4 is more dynamic to drive. BMW Z4 engine produces 20 HP more power than Mercedes SLK, whereas torque is 10 NM more than Mercedes SLK. Thanks to more power BMW Z4 reaches 100 km/h speed 0.3 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.2 | 7.7 | |
| Real fuel consumption: | 9.3 l/100km | 8.2 l/100km | |
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The Mercedes SLK is a better choice when it comes to fuel economy. By specification BMW Z4 consumes 0.5 litres more fuel per 100 km than the Mercedes SLK, which means that if you drive 15,000 km in a year, the BMW Z4 could require 75 litres more fuel. By comparing actual fuel consumption based on user reports, BMW Z4 consumes 1.1 litres more fuel per 100 km than the Mercedes SLK. | |||
| Fuel tank capacity: | 55 litres | 70 litres | |
| Full fuel tank distance: | 670 km in combined cycle | 900 km in combined cycle | |
| 900 km on highway | 1220 km on highway | ||
| 590 km with real consumption | 850 km with real consumption | ||
| Mercedes SLK gets more mileage on one fuel tank. | |||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Engines | |||
| Average engine lifespan: | 350'000 km | 440'000 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 SLK 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 3 other car models, including Mercedes C klase, Mercedes E klase, Mercedes CLK | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Mercedes SLK 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 Mercedes SLK 2008 1.8 engine: The most notable issue with this engine is the sticking of exhaust valves due to carbon buildup. Another significant problem is the unreliable timing chain, which can stretch by 100,000 km. Early symptoms of a ... More about Mercedes SLK 2008 1.8 engine | |||
Dimensions | |||
| Length: | 4.24 m | 4.10 m | |
| Width: | 1.79 m | 1.78 m | |
| Height: | 1.29 m | 1.30 m | |
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BMW Z4 is larger, but slightly lower. BMW Z4 is 14 cm longer than the Mercedes SLK, 1 cm wider the height of the cars does not differ significantly. | |||
| Trunk capacity: | 180 litres | 208 litres | |
| Trunk max capacity: with rear seats folded down |
310 litres | no data | |
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Mercedes SLK has more luggage space. Despite its longer length, BMW Z4 has 28 litres less trunk space than the Mercedes SLK. This could mean that the BMW Z4 uses more space in the cabin, so the driver and passengers could be more spacious and comfortable. | |||
| Turning diameter: | 10.7 meters | 10.5 meters | |
| The turning circle of the BMW Z4 is 0.2 metres more than that of the Mercedes SLK. | |||
| 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 | 1`705 | |
| Safety: | no data | no data | |
| Quality: | high | high | |
| BMW Z4 has fewer problems. According to annual technical inspection data Mercedes SLK has serious deffects in 45 percent more cases than BMW Z4, so BMW Z4 quality is probably significantly better | |||
| Average price (€): | 18 600 | 13 000 | |
| Pros and Cons: |
BMW Z4 has
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Mercedes SLK has
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