Overview
2018 Ford Mustang RTR Spec 5 appears on the official Forza Horizon 6 car list as a A Class (sharp performance) entry in the base roster. This page covers how it tends to drive in its class, where it fits inside the Japan setting, how to think about a starting tune, and which roster entries it naturally compares against.
Background and Forza Horizon 6 context
In 2018, the Ford Mustang RTR Spec 5 exemplified the blend of street-ready performance and racing pedigree, created by renowned drifter Vaughn Gittin Jr. With modifications that included a supercharged V8 engine and enhanced aerodynamics, it was designed for both show and track. The RTR Spec 5 continued the Mustang’s legacy as an iconic American muscle car, appealing to both enthusiasts and professional drivers. On the official Forza Horizon 6 car list this 2018 Ford entry sits in the A Class (sharp performance) bracket inside the base roster, which is the placement players come to this page expecting to confirm against the public source. Inside the same A Class (sharp performance) bracket, the closest comparison roster entries for players are 2007 Alfa Romeo 8C Competizione and 2014 Alfa Romeo 4C, which is the A Class (sharp performance) peer group this car is usually weighed against.
Driving feel in Forza Horizon 6
Vaughn Gittin Jr's RTR Spec 5 takes the standard Mustang GT and adds RTR-developed aero, a body kit, suspension changes and a unique stripe scheme. In A-class events on Japan's mountain routes the chassis behaviour is closer to a stock GT than a competition build; the appeal is the bodywork and the RTR-developed handling character.
Where it shines
A class is the sweet-spot bracket for many Horizon road events, especially mid-length point-to-points and Street race playlists.
Tuning starting point
A class rewards smarter aero and gearing. Test whether a top-speed gear or a corner-exit gear suits the events you actually run.
How to get 2018 Ford Mustang RTR Spec 5
This car is listed without an add-on label on the official Forza Horizon 6 source, so we treat it as part of the base roster. Forza Horizon 6 launches on May 19, 2026, and before that date the public Autoshow may not surface every base-roster car yet — players asking 'how do I get this car, it is not in the Autoshow?' on Reddit or the Forza forums usually find the answer is 'wait for launch day or a post-launch update'. After launch, base-roster cars are normally available through credits in the Autoshow, Wheelspins, Festival Playlist rewards, or the in-game showcase that introduces new vehicles.
