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I would like to point out that its two different models with two different size wheels and definitely different brands of tyres that are experiencing the same sort of problem, because my tyre pressures are checked every ten days by my local tyre supplier who's inflation devices are calibrated every month I have total faith in their accuracy, this is rubber stamped by the amount of miles I get out of my mid range tyres, so far 26k rears and 8k fronts half worn which on a cab is legendary, on Vinces advice I have always run the pressures at two pounds over pressure cold 38 pounds rather than 36 as this equates to an expansion rate of 42 pounds for motorway/loaded work but has the added benefit of not allowing the edges to wear prematurely because of wall roll due to frequent cornering, this advice comes from a tyre shop where the owner has over forty years of experience, [Hands On] and has a vast experience of many tyre brands and will tell you whats good and whats not even to the point of recommending a cheaper tyre over a top end tyre because I would get better milage for my type of work, thats why he has had my business for twenty years, I am in no doubt that many other Audi owners will have had the same problem and never noticed, most people who use these vehicles don't know a lot about steering etc, its just a lovely form of transport and the only time they ever get really alarmed is when something goes badly wrong, you said it yourself the car tries to tell you something, most ordinary owners only notice when whatever it is fails, I wish I had the time to have a schematic drawing of the boot and weigh each suitcase to place them in the precise location for optimum load level but I just use the old formulae heaviest/biggest over the rear axle and cabin luggage at the tailgate end, loading and tyre pressures have already been worked out before the car is sold to the public as have the wheel cambers and steering/suspension bush deformation rates under Max/Minimum loadings, which only leads to one conclusion its the road surface, same loading on tarmac does not produce the same results as ancient crumbling concrete. Steve.

Those are ideal. Thanks so much. Hadn’t considered the rubber ones but actually quite like the look of them. Thanks so much for the heads up. s.

Rolling road definitely sensible. Key question is what condition and service history is on the engine. Don't forget you might need to consider a gearbox remap too. Celtic tuning, darkside developments or viezu.

Hello Brandon, Thanks for being in touch, and sorry to hear of your problem. Any coolant use is abnormal. You need to tell us how much coolant is being used per x number of miles. Yes, you should top up with a 50/50 mix of the correct type of coolant, not water, but water will do for now. As Steve says - and I guess you have eliminated any external leak sources. Simple DIY test:- Take the car for 5 mile run, and immediately get an assistant to rev. the engine to a steady 2000rpm and hold it at that rev. for two minutes while you observe the exhaust - looking for any degree of white smoke - or really any other coloured smoke. Perhaps you could do that and come back to us. Kind regards, Gareth.

I'm shocked that Audi can't provide you with the information as I think they'll be the only ones who can. Might be worth speaking to Audi customer services.

I'd definitely recommend getting a proper diagnosis. As loosing coolant isn't good. What colour smoke is coming out of the exhaust, because if it's not leaking then it could be a failing head gasket. I'd definitely recommend thoroughly checking the coolant system though, it could even be the expansion tank cap seal.

Hi Gareth, thanks for taking some time to reply. Yes you're right. When I had my service done @130,000 then it had engine oil change. It's a 2 liter turbo, I'm sure it's got 4.6 liter capacity. I was just charged for 5 liter according to my service invoice. I'm with you on this one. Without any fault burning that amount of oil isn't just right. I looked under myself, no sign of oil leak, burning or any kinda smoke. Just gonna have to full diagnose the turbo and the engine itself I guess. I've had it for 5 months now. Drove not more than 5000 miles. Since the oil light came on, I had to top up a little for the time being. I'll update you once I get my mechanic to look at it . Thanks Asif

I believe E is eco mode. I suspect the car won't put itself in eco mode straight away as it wants to get the engine and gearbox up to running temperature. I think this should be mentioned in the owners handbook.