Slightly off topic....about 1999 i had a BMW (sorry) which had 235/40 x 17's I had 4 tyres fitted , they were Goodyears and think were NCT2's they were over £200 a tyre ! and that was with a 20% kwik fit (new retail unit opening ) discount . Tyres do seem cheaper now , £100 for a 225/40 x 18 seems fantastic especially as the previous posters say they are a good tyre. What tread depth do these start with as that can have some influence as some manufacturers start with different depths from new