BMW Z4 2009 vs BMW 6 series 2007
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 2.5 Petrol | 4.8 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 204 HP | 367 HP | |
| Torque: | 250 NM | 490 NM | |
| Acceleration 0-100 km/h: | 7.3 seconds | 5.8 seconds | |
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BMW 6 series is a more dynamic driving. BMW Z4 engine produces 163 HP less power than BMW 6 series, whereas torque is 240 NM less than BMW 6 series. Due to the lower power, BMW Z4 reaches 100 km/h speed 1.5 seconds later. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 8.2 | 11.7 | |
| Real fuel consumption: | 9.3 l/100km | 12.9 l/100km | |
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The BMW Z4 is a better choice when it comes to fuel economy. By specification BMW Z4 consumes 3.5 litres less fuel per 100 km than the BMW 6 series, which means that by driving the BMW Z4 over 15,000 km in a year you can save 525 litres of fuel. By comparing actual fuel consumption based on user reports, BMW Z4 consumes 3.6 litres less fuel per 100 km than the BMW 6 series. | |||
| Fuel tank capacity: | 55 litres | 70 litres | |
| Full fuel tank distance: | 670 km in combined cycle | 590 km in combined cycle | |
| 900 km on highway | 820 km on highway | ||
| 590 km with real consumption | 540 km with real consumption | ||
| BMW Z4 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 | 480'000 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 BMW 6 series engine could be longer. | |||
| Engine production duration: | 7 years | 9 years | |
| Engine spread: | Installed on at least 3 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X3 | Installed on at least 2 other car models, including BMW 5 sērija, BMW 7 sērija | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW Z4 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 BMW 6 sērija 2007 4.8 engine: The primary issues with the N62 engine are related to malfunctions in the Valvetronic and VANOS systems. Fluctuating idle is usually caused by ignition coil failures, air leaks, issues with the mass airflow ... More about BMW 6 sērija 2007 4.8 engine | |||
Dimensions | |||
| Length: | 4.24 m | 4.82 m | |
| Width: | 1.79 m | 1.86 m | |
| Height: | 1.29 m | 1.37 m | |
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BMW Z4 is smaller. BMW Z4 is 58 cm shorter than the BMW 6 series, 7 cm narrower, while the height of BMW Z4 is 8 cm lower. | |||
| Trunk capacity: | 180 litres | 300 litres | |
| Trunk max capacity: with rear seats folded down |
310 litres | 350 litres | |
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BMW 6 series has more luggage space. BMW Z4 has 120 litres less trunk space than the BMW 6 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 6 series (by 40 litres). | |||
| Turning diameter: | 10.7 meters | 11.4 meters | |
| The turning circle of the BMW Z4 is 0.7 metres less than that of the BMW 6 series, which means BMW Z4 can be easier to manoeuvre in tight streets and parking spaces. | |||
| 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`250 | |
| Safety: | no data | no data | |
| Quality: | above average | no data | |
| Average price (€): | 18 600 | 15 000 | |
| Pros and Cons: |
BMW Z4 has
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BMW 6 sērija has
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