The Peugeot RCZ R goes on sale on 18th November, with prices starting at £31,995.
Peugeot say the RCZ R will be the fastest road-going car the company has ever sold.
Power comes from a new 1.6-litre THP turbocharged petrol engine developing 270bhp at 6,000rpm and 330Nm of torque from 1,900rpm to 5,500rpm.
To cope with the extra grunt, the block has been reinforced through heat-treatment, while new forged pistons developed by Mahle Motorsport using Formula One-grade aluminium allow for an increased compression ratio of 9.2:1.
Strengthened con rods and uprated bearings with a special polymer coating also feature, as does an uprated six-speed manual transmission, upgraded clutch, larger intercooler, new twin-scroll turbocharger and tuned exhaust system.
Keeping that power on the road is a Torsen differential, while revisions have also been made to the springs, dampers and anti-roll bars.
Four-piston calipers clamp down on 380mm brake discs, peeking out from behind two-tone 19-inch alloy wheels.
As a result, the Peugeot RCZ R sprints to 62mph in 5.9 seconds and carries on to its electronically-limited top speed of 155mph.
Despite this, the RCZ R records CO2 emissions of just 145 g/km with a combined cycle economy figure of 44.8mpg.
Priced from £31,995, the Peugeot RCZ R opens for ordering on 18th November, with first deliveries expected from 2nd January 2014.