BMW 6 series 2007 vs BMW Z4 2009
| Gearbox: | Automatic | Automatic | |
|---|---|---|---|
| Engine: | 3.0 Petrol | 2.5 Petrol | |
| Camshaft drive: | Timing chain | Timing chain | |
Performance | |||
| Power: | 272 HP | 204 HP | |
| Torque: | 320 NM | 250 NM | |
| Acceleration 0-100 km/h: | 7.2 seconds | 7.3 seconds | |
| BMW 6 series engine produces 68 HP more power than BMW Z4, whereas torque is 70 NM more than BMW Z4. Thanks to more power BMW 6 series reaches 100 km/h speed 0.1 seconds faster. | |||
Fuel consumption | |||
| Fuel consumption (l/100km): | 9.9 | 8.2 | |
|
The BMW Z4 is a better choice when it comes to fuel economy. BMW 6 series consumes 1.7 litres more fuel per 100 km than the BMW Z4, which means that if you drive 15,000 km in a year, the BMW 6 series could require 255 litres more fuel. | |||
| Fuel tank capacity: | 70 litres | 55 litres | |
| Full fuel tank distance: | 700 km in combined cycle | 670 km in combined cycle | |
| 930 km on highway | 900 km on highway | ||
| Read the article "Fuel Efficiency: How to Reduce Fuel Consumption" to learn more about fuel economy. | |||
Engines | |||
| Average engine lifespan: | 350'000 km | 350'000 km | |
| Engine resource depends largely on regular maintenance and the quality of the oils and fuels used. | |||
| Engine production duration: | 7 years | 7 years | |
| Engine spread: | Installed on at least 2 other car models, including BMW 5 sērija, BMW 3 sērija | 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 Z4 might be a better choice in this respect. | |||
| BMW 6 sērija 2007 3.0 engine: Relatively reliable engine. Most of the problems are related to the fuel injection system, spark plugs and coils, and the Vanos phase control system. Problems with the high-pressure fuel pump were common in ... 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 | |
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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 |
350 litres | 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. The maximum boot capacity (with all rear seats folded down) is larger in BMW 6 series (by 40 litres). | |||
| 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`120 | 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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