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RENNSPORT 3.4ST Demonstrator

RENNSPORT 3.4ST Demonstrator

Built to showcase the quality of a Rennsport 911, featuring the highest performance backed up with solid engineering, the latest technology and combining many years experience of building 911 recreations.


This Rennsport ST has many unique and innovative touches and the very best components available.


Featuring an enlarged 3.4ltr capacity high compression engine, race tuned to stage 3 with forged internals, including Rennsport cams and built up to blueprinted race standards. Utilising many custom billet aluminium parts, individual high stacked throttle bodies and programmable engine management.


The latest Tractive semi active programmable suspension setup along with our own Rennsport Billet Big Brake set up, SSI performance manifolds and LeMans exhaust.


The bespoke Harris Tweed Houndstooth and Muirhead Saddle Leather trimmed Recaro CS Sportster Seats and matching interior. A racing style rose jointed Gearshift and 917 balsa wood gearknob. Twin racing timing clocks and retrosryle DAB stereo matched to a unique Rennsport colour coordinated clockset. The Alcantara suede topped and leather hand stitched dashboard with matching Alcantara headlining complete the luxurious sporting interior.


From the outset this car was designed to provide Rennsport customers with the ultimate fully loaded Rennsport ST 911 and it is the supreme example of what Rennsport is all about and capable of, combining high performance together with luxury and refinement, an iconic package, capable of dispatching an Alpine European Roadtrip without fuss and then holding its own in the Goodwood Member’s carpark.


RENNSPORT 3.4 ST - Demonstrator


2023 Rennsport 3.4 ST Coupe in Irish Green.

3.4 Litre Rennsport Stage 3 engine producing over 300 bhp 

Blueprinted, forged and billet machined engine components

Carbon Fibre fan shroud ‘tinware’

Quaife ATB limited slip differential.

G-series strengthened galvanised coupe chassis

Lightweight steel body handcrafted to authentic ST dimensions

5 speed G50 gearbox with billet rose jointed shifter

6 pot anodised aluminium billet brake calipers with 300mm discs.

9” wide front and 10” wide rear 16’ diameter semi forged 

lightweight wheels.

Semi active TracTive fully adjustable suspension system with in-car adjustment. 

Finest Muirhead leather and authentic Harris tweed inserts and details.

Electronic air conditioning system with in-car Bluetooth DAB+ radio.


0 - 60mph 4.1 seconds

Top speed 167 mph

Tax and ULEZ exempt (2024 onwards)


Includes 12 Month Rennsport Warranty, T&Cs apply.


    Rennsport Cars

    We have build slots and donors available as well as fully built cars for sale.