gort Posted March 24, 2011 Share Posted March 24, 2011 as the title says, by fitting aftermarket wheels (275/35/19" 245/35/19") will it effect the mpg calculation on the dashboard? Quote Link to comment Share on other sites More sharing options...
ATTAK Z Posted March 24, 2011 Share Posted March 24, 2011 as the title says, by fitting aftermarket wheels (275/35/19" 245/35/19") will it effect the mpg calculation on the dashboard? Yes in as much as the distance travelled will be measured in terms of one rotation of the wheel. However, if your new rolling radius is within a small percentage of the OEM rolling radius (which it is), the difference will be insignificant. Quote Link to comment Share on other sites More sharing options...
gort Posted March 24, 2011 Author Share Posted March 24, 2011 thanks Quote Link to comment Share on other sites More sharing options...
JetSet Posted March 25, 2011 Share Posted March 25, 2011 as the title says, by fitting aftermarket wheels (275/35/19" 245/35/19") will it effect the mpg calculation on the dashboard? That combo will throw your speedo out by 0.4% Pete Quote Link to comment Share on other sites More sharing options...
GT4 Zed Posted March 25, 2011 Share Posted March 25, 2011 This has been posted to death. Use a tyre or wheel equivilent calculatorto work out your needs 100s on the interweb http://www.tyres-pneus-online.co.uk/equ ... dvice.html or this http://www.kouki.co.uk/utilities/visual ... calculator Quote Link to comment Share on other sites More sharing options...
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