BMW 6 series 2007 vs BMW Z4 2009
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 3.0 Diesel | 2.5 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 286 HP | 204 HP | |
| Torque: | 580 NM | 250 NM | |
| Acceleration 0-100 km/h: | 6.6 seconds | 7.3 seconds | |
|
BMW 6 series is more dynamic to drive. BMW 6 series engine produces 82 HP more power than BMW Z4, whereas torque is 330 NM more than BMW Z4. Thanks to more power BMW 6 series reaches 100 km/h speed 0.7 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 7.2 | 8.2 | |
| Real fuel consumption: | 8.8 l/100km | 9.3 l/100km | |
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The BMW 6 series is a better choice when it comes to fuel economy. By specification BMW 6 series consumes 1 litres less fuel per 100 km than the BMW Z4, which means that by driving the BMW 6 series over 15,000 km in a year you can save 150 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 6 series consumes 0.5 litres less fuel per 100 km than the BMW Z4. | |||
| Fuel tank capacity: | 70 litres | 55 litres | |
| Full fuel tank distance: | 970 km in combined cycle | 670 km in combined cycle | |
| 1200 km on highway | 900 km on highway | ||
| 790 km with real consumption | 590 km with real consumption | ||
| BMW 6 series gets more mileage on one fuel tank. | |||
Engines | |||
| Average engine lifespan: | 420'000 km | 350'000 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: | 5 years | 7 years | |
| Engine spread: | Installed on at least 6 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X5, BMW 7 sērija, BMW X3, BMW X6 | Installed on at least 3 other car models, including BMW 5 sērija, BMW 3 sērija, BMW X3 | |
| In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 6 series might be a better choice in this respect. | |||
| BMW 6 sērija 2007 3.0 engine: The BMW M57 engine is regarded as one of the best German-built power units. Its inline-six layout is praised for reliability, and cars equipped with this engine are often more desirable on the used market. Despite delivering strong performance, the ... More about BMW 6 sērija 2007 3.0 engine 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: | 4.82 m | 4.24 m | |
| Width: | 1.86 m | 1.79 m | |
| Height: | 1.37 m | 1.29 m | |
|
BMW 6 series is larger. BMW 6 series is 58 cm longer than the BMW Z4, 7 cm wider, while the height of BMW 6 series is 8 cm higher. | |||
| Trunk capacity: | 300 litres | 180 litres | |
| Trunk max capacity: with rear seats folded down |
no data | 310 litres | |
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BMW 6 series has more luggage capacity. BMW 6 series has 120 litres more trunk space than the BMW Z4. | |||
| Turning diameter: | 11.4 meters | 10.7 meters | |
| The turning circle of the BMW 6 series is 0.7 metres more than that of the BMW Z4, which means BMW 6 series can be harder to manoeuvre in tight streets and parking spaces. | |||
| Power steering: | Hydraulic power steering | Electric power steering | |
| Hydraulic power steering is technologically more complex, louder, increases fuel consumption and requires more servicing. It has the advantages of more power, less strain on the car's electrical system and better feedback (feeling) when steering. | |||
| Gross weight (kg): | 2`260 | 1`760 | |
| Safety: | no data | no data | |
| Quality: | no data | above average | |
| Average price (€): | 15 000 | 18 600 | |
| Pros and Cons: |
BMW 6 sērija has
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BMW Z4 has
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