Steel Horse is a motorcycle manufacturer in the HD Universe. Its name doesn't appear on motorcycles, but the police on the police radio will refer to a motorcycle as one. The only known vehicle made by Steel Horse (so far) is the Zombie. It could be based on American IronHorse, judging from the name. Steel Horse is an old slang term for motorcycles used by biker gangs.
|Vehicle||Style||Based on (GTA IV)||Notes|
|Zombie||Motorcycle||Custom Harley Davidson|