Jonson

2017 fiesta panoramic roof and spare wheel

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Does anybody have a definitive answer as to why it is not possible to spec a spare wheel with the panoramic roof? 

Dealer thinks it might be to do with weight/ emissions. 

Ford live chat thinks the wheel well might be used for something else.

Anybody know for sure?

TIA

Jon

 

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I don't know for certain but I would guess weight is the issue.

I can't think the well is used for anything to do with the roof.

Which should mean there is nothing stopping you from buying the spare after and putting one in yourself.

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Don't think it's down to the panoramic roof. More likely a model that is available with panoramic roof has the B&O setup. The spare wheel well is filled with the subwoofer assembly. 

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Is this to do with the torsional rigidity of the car being weakened by the aperture in the roof.and the possibility of the body deforming if the car is jacked up on one corner. Anybody any thoughts ?

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Wow, that is interesting. I can't think what the reason could be!

Simply buy the car with the panoramic roof and then purchase a spare wheel from elsewhere (you can get them much cheaper than what Ford charge!). You will be looking for a spare with similar dimensions to this:

  • Rim size: 14" x 5.5
  • Tyre size: 175/65 R14

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Wouldn't surprise me if it's just weight. The cars have to be type approved and meet their emissions targets.

They also have to be able to take so much load, potentially a tow bar. Adding a panoramic roof and spare wheel is a lot of extra weight.

Otherwise you'll end up with what Honda do, which is different MPG and CO2 ratings for models with panoramic roofs.

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21 minutes ago, alexp999 said:

Wouldn't surprise me if it's just weight. The cars have to be type approved and meet their emissions targets.

They also have to be able to take so much load, potentially a tow bar. Adding a panoramic roof and spare wheel is a lot of extra weight.

Otherwise you'll end up with what Honda do, which is different MPG and CO2 ratings for models with panoramic roofs.

Introduced in Sept 2017 is the WLTP (Worldwide Harmonised Light-duty vehicles Test Procedure). This requires all new vehicles to take into account all equipment options which would influence aerodynamics, weight and rolling resistance. In this new test procedure every kilogram counts (apparently).

Honda are the clever ones then. Getting in before the rest of the world is forced to follow.

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