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Quicker, lighter Focus RS special is under consideration by Ford; 0-60mph could dip below 4.0sec

A new RS500?

by Matt Saunders, 12 November 2015

Ford Performance is watching reaction to the new Focus RS closely before signing off an even quicker limited-run special.

Ford insiders have confirmed that an even more hardcore version of the 345bhp five-door is under consideration - and it has the potential to be the fastest-accelerating hatchback in history.

Ford’s options for bringing extra grip, performance and excitement to the new RS will be delivered mainly through weight saving and upgrading the RS’s drivetrain. This will be possible in a car with an asking price that could even eclipse the £40,000 of the Ford’s premium-branded opposition.

However, the car’s 2.3-litre four-cylinder turbo petrol engine is already operating close to its maximum and attempts to conjure more power will be hampered by the lack of room for additional cooling capacity.

Because budget constraints have limited Ford’s weight-saving options with the standard RS, there’s plenty of potential for improving the car’s power-to-weight ratio by adding lightness to a more expensive version.

Polycarbonate glazing, carbonfibre-reinforced plastic bodywork, forged aluminium suspension componentry, carbonfibre brakes, less noise insulation and a stripped-out interior could take upwards of 100kg out of the car - even after the drivetrain additions under consideration have 
been grafted on.

Those additions are likely to consist of an electronically controlled limited-slip differential for the front axle, tuned to work with the GKN-supplied rear drive unit, and 
a dual-clutch automatic gearbox. A limited-slip front-axle differential is already known to improve the RS’s handling and was under consideration for the standard car, an insider has revealed.

The obvious paddle-shift gearbox option would be Ford’s Powershift transmission, supplied by Getrag, but it is currently rated for engines with peak torque of 332lb ft, so it would need some modification.

Ford’s performance targets for the super-heated RS will be to make it quicker over the benchmark 0-62mph sprint than the latest Mercedes-AMG A45 (4.2sec) and the Audi RS3 (4.3sec). The regular RS’s claim (4.7sec) would suggest there’s plenty to do to meet that target, but company insiders have confirmed that even the standard car is much closer to Germany’s big hitters when fitted with optional 19in forged wheels and Michelin Pilot Sport Cup 2 semi-slick tyres.

If the potential is there to make the Focus the first hot hatch since the 2010 Subaru Cosworth Impreza STI CS400 to break the 4.0sec 0-62mph barrier, expect Ford to seize it.

Even hotter Ford Focus RS planned | Autocar
 

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If Ford follows the recipe laid out by Autocar, they are going to have a very, very expensive car on their hands. Where do I sign up?
 

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Does this make the Focus a RSR?
 

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I'll be first in line with cash
 

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I'll be first in line with cash.
 

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I'm sure the upgraded front diff could be a mountune warrantied upgrade. That would be nice. With anything something better comes along even if it's the same thing. That's just the natural progression of things. The RS500 or RSR or what ever the hell they want to call it sounds killer and expensive. I wonder if the shoot for 375-400bhp. Better start saving.
 

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Expensive and I bet near impossible to get when on sale. I love the idea of taking out 100kg, that to me is the most important thing. Depending on what they change, if they keep the rear seats and so forth it may make it pretty easy to get the vehicle around 3100lbs by stripping out even more. 3100lbs AWD and 400WHP, that would be a very exciting car. I'm not getting my hopes up though, but it would be awesome to adapt the Tech to my RS.

I have some awesome uphill off camber and on camber roads that I plan to run the RS through when I get it. If the front inside wheel spins then I know a LSD is needed. Now that it is getting below 60, it reminds me of how much the ST needs one. Trying to add more power while unwinding the wheel has to be done with the lightest inputs or else the tires just light up and I mean very very light inputs.
 

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Thats what I am hoping too. I want to get my RS now and be able to add in the rsr electric lsd.
Its already a RS, the extra R is just redundant:rolleyes:..or is that just typo?
 

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*Cancels RS order*

;)
 

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Well its a more hardcore RS, so I guess you could say its an RS-R��
Well I'll just wait for the designer/builder to name it, besides the rsr has already been taken.

Think it needs to have its own distinguishing name.
 
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