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Overview

The Factory Five Mk4 Challenge Model The car takes the Mk4 Roadster to a more serious competition level.

The Mk4 Challenge model is the competition version of our best selling Mk4 Roadster. The car is engineered to be used in wheel-to-wheel road racing, drag racing, and is eligible for NASA’s Factory Five Challenge Series.

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"Brawny good looks, high quality materials, outta-my-way exhaust note, abundant thrust. A primal brute that will confirm all your mother-in-law's worst suspicions."
LARRY WEBSTER | EDITOR, CAR & DRIVER MAGAZINE

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Kit Packages

Get Ready to Build Your Mk4 Challenge Car!

Kit starts at $14,990

If you are a person who plans to use your car for more than an occasional open-track day, then this chassis kit was designed for you. Built from the foundation of the proven Mk4 chassis, the modified Challenge Car chassis meets SCCA GT1 design criteria and is approved for NASA’s wheel-to-wheel Factory Five Racing Challenge Series and other race classes.

LEARN MORE >    ORDER A KIT >

Design

Support

FAQs, BUILD VIDEOS & MORE

The process of evaluating whether or not this project is right for you is an important one and there are several places you can go to get accurate, truthful, and current answers to your questions.

Read our FAQ’s page to get answers to a few questions we get every day here at Factory Five, or delve into our Build Videos where you can follow along as the Factory Five tech guys give step-by-step instructions on building a Factory Five Mk4 Roadster.

You can call us here at Factory Five at 508-291-3443 and speak to one of our guys in tech support. You can also log onto the Internet and query thousands of Factory Five owners about their own builds and discover an entire community of helpful customers on The Factory Five Forum.

FAQs >   |   BUILD VIDEOS >   |   FACTORY FIVE FORUM >

Press

"...When it comes to bang-for-the-buck, Factory Five Racing's Mk4 is the Molotov cocktail of replicas..."

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 Steve Temple, Editor Car Builder Magazine
Former Director of Marketing, Shelby American

"Brawny good looks, high quality materials, outta-my-way exhaust note, abundant thrust. A primal brute that will confirm all your mother-in-law's worst suspicions."

logo-car-and-driver-small Larry Webster, Editor
Car & Driver Magazine

"This car really works well in the turns. It has to be one of the best handling cars I've ever driven."

sccalogoDick Smith, six-time SCCA & USRRC Champion
and all-time winningest 427 Racer.

"...We like Factory Five not only for the level of enjoyment a person can have with it strapped to his backside, but for the great engineering and business feat it is..."

mustang-fords-logoJim Smart, Editor
Mustang & Fords Magazine