As already stated by others TT RS basis/chassis is a VAG/Volkswagen 'Golf' FWD layout with Haldex support for the rear wheels.
It's not 'Quattro' like it was invented at the end of the 70s, with the Urquattro and derived Gr B monsters (and the current lineup) with longitudinal engines driving 4 wheels.
But it works in slippery conditions(doh)
Irl the layout with the 2.5 5 pot almost hanging over the frontbumper make it more noseheavy than wished for.
Being 95 kgs lighter than M2 (which is a fourseater) is godsent and a nice achievement, nontheless it still has a weight distribution of 61% front and 39% rear....(M2 52/48)
Also having 'Quattro' AND 30-40HP more it's logical it's faster from a standstill. Not so much through (in) gear irl where the M2 is faster fwiw as
'Autobild M2 wins vs TT RS' shows us, plus the ceramic brakes on the Audi were malfunctioning.
Having said that I think the TT RS is a nice very fast not so good looking car(I'm not going to use the hairdressers jokes anymore) with a nice engine. It looks like a flat beetle and without the rearspoiler, what is the front and what is the backend. But hey subjective....
Though a V10 sounds marvellous, it's not a V12. Same goes for 5 inline vs inline 6 imho. But whe found out that's very subjective too
Also, the fwd based Haldex Quattro system is understeer biased with some electronic trickery to 'slide' the tail out for the sake of it. It does it best in winter/snow circumstances. Does it matter? No.
The whole TTRS setup to start from , from a (race/sport) engineering standpoint has flaws. From weight distribution to the used Haldex. The car makes up for it by being lighter and having more hp than M2.
The fatty M2 has this as a basic chassis setup with a ver high tech M diff which makes the car point in better than any M car before on track in moist 2nd gear corners. Unreal. I bet it points in better than a lot of Caymans due to that diff....and even if you never attend trackdays you can feel it in real life B road spirited driving....
Quote:
For example, just the control arms, wheel carriers, axle subframes and stiffening plate of the double-joint spring-strut front axle weigh five kilograms less than would be the case with a conventional steel construction. Further stiffening measures optimise rigidity throughout the car.
All the control arms and wheel carriers of the new BMW M2’s five-link rear axle are made from forged aluminium, which reduces the unsprung masses of the wheel-locating components by around three kilograms compared to a steel construction. In addition, a racing-derived rigid connection, dispensing with rubber bushings, is used to fix the lightweight steel grid-type rear axle subframe to the body.
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Enough of the technical stuff. M2 isn't miles ahead in the interior department. Aun contraire: It almost looks outdated vs TT RS.....
But it is lightyears ahead in race engineering/balance/chassis/steering and braking....and driving fun. 100% That's why it wins at Top Gear and Autobild and the rest.
(and it loses@ EVO because it has adjustable dampers....)
So take your pick.
Edit, Lightweight/Laptime Perf/Schnitzer and other tuners show us with tuning adjustments and engineering M2 can drive in GT3 991 laptime territory. With only about 50hp more.
A TTRS can be given 500-600-700hp it still stays a fwd platform with Haldex supporting the rear wheels and the engine hanging over the frontaxle. You can't change that....
Cheers
Robin