We have just traded our 2011 150 in for a 2020. with the old one, by upgrading the 265/65, to 265/70 tyres, the speedo was correct. The new one is all electronic, can anybody tell me if doing the same tyre upgrade on the 2020 model, will the speedo/gps , still be correct. It is spot on with the factory 265/65 tyres. Thanks.
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My Oct 2018 build VX speedo reads 5% low at 100km/hr with the standard 265/60/18s, with the set of 265/70/17 Yoko LTs I have for outback touring fitted the speedo is accurate at 100 km/hr however the odometer reads under for distance covered. That the odometer is accurate but the speedo is not is something I have found regularly with late model cars, I believe it is the manufacturers designing in an fudge factor to ensure they meet ADRs re speedo accuracy.'18 VX, Billies with Dobinson springs, Summit bar with Narva Enhanced Optics to help my old eyes
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