granto Posted March 14, 2013 Report Share Posted March 14, 2013 I know I'll never find any hard concrete numbers for performance and fuel economy but I thought I'd look for other people's opinions. I have a 2013 FWD Limited Ecoboost. It has the stock 20" wheels and I'm satisfied with the current performance and fuel economy. I'm sure both would improve with a smaller wheel and tire combination but what I want to know is how much I'll really suffer if I upgraded to the OEM 22" Sport wheels? If I don't go with the 22", there seems to be people selling a Ford option 20" chromed aluminum wheel that looks nice. My plan is to use the stock 20" chrome clad wheel for a winter set. Quote Link to comment Share on other sites More sharing options...
TheWizard Posted April 8, 2013 Report Share Posted April 8, 2013 The "stock" Edge Limited wheels are 18" chrome with 10 equal-sized spokes. The optional wheels are 20" chrome that Ford calls 5-spoke but each spoke has a split near the rim that makes them look like a 10-spoke. The spokes are not as evenly spaced as the 18" wheels and have a wider, flattened area near the rim. The stock 18" and 20" wheel/tire combinations are essentially the same - they have nearly identical total diameter and revolutions per mile (only a 0.24% difference) so unless one wheel is significantly heavier than the other, there should be no significant difference in mileage. The 22" wheel/tire combinations are somewhat larger (2.6% larger and no doubt heavier as well) so I would expect somewhere around 5% reduction in mileage... from 30 mpg down to about 28.5 mpg. Quote Link to comment Share on other sites More sharing options...
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