Quote:
Originally Posted by euromodder
The 15" are likely your best compromise between handling and fuel economy.
If you're going all-out for FE, chose the narrowest tyre you can fit.
Do you get any snow down there in winter ?
If you do, I'd go for the 14" wheels in winter.
If you don't , chose a low rolling resistance tyre that you can drive all year long.
They didn't in the ADAC.de testing - in 185/65 R 15 H , tyre performance can change a lot with different sizes though.
I do wonder though why you went for wider tyres in winter.
Narrow tyres perform better in snow and rain, whereas the bigger ones just add drag and tend to float.
(I've been suffering up to double the normal dry fuel consumption while driving in a downpour last week. Rain kills your FE.)
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I chose the wider track tyres because our winter here in Auckland is very, very wet. My car understeers a lot with the 15s.