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. | |||
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. | |||
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 (€): | 18 800 | 16 600 | |
| Pros and Cons: |
BMW Z4 has
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BMW 6 sērija has
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