2015 B8 RS4

4.2 V8 32v FSI - 444 bhp
zonda
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2015 B8 RS4

Post by zonda » Thu Oct 04, 2018 12:58 am

On the verge of a purchase and very new to these cars buying second hand from a reputable dealer but was reading on here about gearbox and suspension issues its only done 14,000mls are they all affected or just the odd car.

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RS4LAD
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Re: 2015 B8 RS4

Post by RS4LAD » Thu Oct 04, 2018 1:56 am

Just make sure you get a proper all component warraranty

Sammyb349
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Re: 2015 B8 RS4

Post by Sammyb349 » Thu Oct 04, 2018 7:00 am

I have same year car and got 22k miles on mine and so far no issues
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Silver7
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Re: 2015 B8 RS4

Post by Silver7 » Thu Oct 04, 2018 8:00 am

I have a 2015 with 26k. Only warranty issues have been the front drc and the black tailpipes (paint coming off). Ensure it has full service history.

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Thundercliffe81
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Re: 2015 B8 RS4

Post by Thundercliffe81 » Thu Oct 04, 2018 8:05 am

Yeah with that mileage just full service history and warranty from Audi.

Just got mine at 44k miles. 64 plate about 3 weeks ago. So, high on the priority list for me was full service history and itemised invoices. Looking for front and rear drive/diff oil changes and S-Tronic gearbox service. DRC and Panram roof were done under warranty from the invoices I got. New brakes, tyres etc.

But yeah, at your mileage, it should be spot on. I think mine has lost some ponies haha. Nothing to compare it too mind you.


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Surrey Sam
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Re: 2015 B8 RS4

Post by Surrey Sam » Thu Oct 04, 2018 10:12 am

My gearbox went at only 4k miles, so would say that mileage isn't a factor.
Sepang Blue B8 RS4, MY14, All option packs, B&O, Adv Key, Adapt Cruise, Pan Roof, Akrapovic Titanium Exhaust, + more.
Previous - Sprint Blue B7 RS4 Avant, Ceramics, Sunroof, SS+, Buckets, FBSW, Bluetooth, 2010+ RNSe
Previous - Phantom Black B7 RS4 Avant, Black Optics, Titan pack, SS+, Buckets, FBSW

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Thundercliffe81
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Re: 2015 B8 RS4

Post by Thundercliffe81 » Thu Oct 04, 2018 10:49 am

Surrey Sam wrote:My gearbox went at only 4k miles, so would say that mileage isn't a factor.
Think it was just random builds? Coz yeah, that doesn't add up on paper does it? Image


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Surrey Sam
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Re: 2015 B8 RS4

Post by Surrey Sam » Thu Oct 04, 2018 11:23 am

Mine was a crown wheel failure for the central differential which is part of the gearbox. The S-Tronic weak point was mainly mechatronic failure and more prevalent in earlier Audi production models and not the RS4. However a very small number of people have suffered from the gearbox oil cooler leaking coolant into the gearbox and causing issues. You can do a Glycol test to ensure the oil is good.

If looking, I'd suggest finding one with good detailed maintenance records. That tends to show the person understands servicing and presumably has mechanical sympathy, so would let fluids warm up before using any performance.
Sepang Blue B8 RS4, MY14, All option packs, B&O, Adv Key, Adapt Cruise, Pan Roof, Akrapovic Titanium Exhaust, + more.
Previous - Sprint Blue B7 RS4 Avant, Ceramics, Sunroof, SS+, Buckets, FBSW, Bluetooth, 2010+ RNSe
Previous - Phantom Black B7 RS4 Avant, Black Optics, Titan pack, SS+, Buckets, FBSW

zonda
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Re: 2015 B8 RS4

Post by zonda » Thu Oct 04, 2018 10:05 pm

Thanks for the advice i have decided to hold off for now its the car at Lawton Brooke missano red year 2015 i had a deposit on it but after serious thoughts on it and speaking with a good friend who is the service manager at Audi who's comments were very similiar to some of guys on here i am very weary to buy now what are the latest gen RS4 like on DRC and drivetrain.

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Thundercliffe81
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Re: 2015 B8 RS4

Post by Thundercliffe81 » Thu Oct 04, 2018 10:56 pm

zonda wrote:Thanks for the advice i have decided to hold off for now its the car at Lawton Brooke missano red year 2015 i had a deposit on it but after serious thoughts on it and speaking with a good friend who is the service manager at Audi who's comments were very similiar to some of guys on here i am very weary to buy now what are the latest gen RS4 like on DRC and drivetrain.
I know that car. It's not too far from me.

I wouldn't let some of the issues put you off. There were many cars built. Just need to be thorough and patient with regards to the service history. It's a brand new car basically. 15k miles.

It all depends on what you really want. B8 and B9 are two very different cars. Different ethos. Different emotion.


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Sidicks
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Re: 2015 B8 RS4

Post by Sidicks » Tue Oct 09, 2018 8:33 pm

Get one with full service history and Audi Approved Used warranty and you won't be disappointed!

pauldavidthomas
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Re: 2015 B8 RS4

Post by pauldavidthomas » Wed Oct 10, 2018 2:53 pm

If your looking at the one in Poole that's done 14.4k. I was very interested. The only thing against it, excessive rear disc wear and really low tyres. You'd be looking at Discs/Pads & 4 tyres pretty quickly.

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Re: 2015 B8 RS4

Post by Geoff A » Wed Oct 10, 2018 4:58 pm

Excessive rear disc wear is a consequence of cruise control on modern cars, which apply the rear brakes to wash off speed when going downhill, for example.
Just had a DRC pipe failure - all done under warranty by Stratford Audi. My warranty runs out at the end of Nov, and I'll buy a year's warranty as I see no need to swap the car. It's good insurance on a piece of hardware such as this.

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Re: 2015 B8 RS4

Post by johnnydog » Wed Oct 17, 2018 10:56 pm

Mine is a 64 2015 model, which was three months old when I bought it, and had the benefit of a 5 year 90k Audi Warranty with the car put on it by the supplying Audi Dealer when new.
Had issues with the DRC which was eventually sorted with the new uprated front shockers, and the only other issue I had was the two fuel pressure regulators (one on either bank above the rocker covers) had visible corrosion spots starting. My arguement was that the engine bay had a carbon fibre engine cover, and although only a visual enhancement, the overall appearance of the engine bay was let down by the rust spots, and they agreed and they were changed under warranty. I hadn't expected them to agree to this, but they did.
No other issues no date, but the 5 year 90k warranty is a great peace of mind, although I will not do anything near that sort of mileage.
If you are in the market for a vehicle such as this, then you must have budgeted for higher than normal running costs. My opinion is that if you decide not to go for one as a result of a few horror stories on the Internet, you will missing out on one superbly designed performance vehicle. There are a lot more RS4s out there that have had no major issues at all than ones you have read about with problems. As with most reviews, it's only the bad points about any subject that get the most publicity. Owners with no issues have no need and rarely write about them.

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Thundercliffe81
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Re: 2015 B8 RS4

Post by Thundercliffe81 » Thu Oct 18, 2018 12:29 am

Geoff A wrote:Excessive rear disc wear is a consequence of cruise control on modern cars, which apply the rear brakes to wash off speed when going downhill, for example.
Just had a DRC pipe failure - all done under warranty by Stratford Audi. My warranty runs out at the end of Nov, and I'll buy a year's warranty as I see no need to swap the car. It's good insurance on a piece of hardware such as this.
I did not know that about rear brake wear. Image


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