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I am need of tyres soon too..
So would everyone agree that 265/35/20 and 305/30/20 is the perfect set up for performance and safe for the drivetrain? I think that is the same sizes as what Litchfield use but I have seen 275 on the front floating around after some googling.
 

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Buy the size you feel comfortable with. People will always have different views.
Isn't the rolling circumference the car is more comfortable with, more important? Info below from the tech people
rolling radius / rolling circumference to keep your AWD happy and not over stretched, with higher trans temps, so it doesn't break / fail

Michelin MPS4S is 0.361% out at 265/305
Michelin MPS4S is 0.31% out at 265/315
Michelin MPS4S is 1.37% out at 275/305

R888R 285/315 set up is about 1.4% different
Standard Dunlop 255/40 and 285/35 is 0.68%
 

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The awd unit is’nt active all the time and the rear tyres will wear quicker so the percentages will reduce.
 
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