GMC S6 Automotive Locksmith

The GMC S6 was produced 1989–1991. It is a discontinued passenger car, which mainly affects blank and fob availability rather than whether the work can be done — older platforms are frequently easier to key than new ones, not harder.

Across its 1989–1991 run, the S6 sits in one key generation: model years 1989–1991 predate transponder immobilizers in the US market, so a replacement there is usually a cutting job rather than a programming one. The exact model year and trim still decide the parts, so have the year ready when you call.

At 35+ years since the last GMC S6 was built, wear is the usual reason a key stops working rather than failure of the key itself. A cylinder that has accepted the same key for decades eventually stops aligning to it, and a key cut fresh to code often works better in that lock than the worn original it replaces.

Eligibility for the GMC S6 is confirmed against the exact model year and trim before a job is treated as scheduled, and proof of identity and vehicle ownership or written authorization is required before any key is originated or programmed.

Other GMC models from the same era

• GMC Geo Tracker 1989–1990
• GMC Sierra 1989–2027
• GMC Magna Van 1990–1993
• GMC GMT-400 1987–1988
• GMC Jimmy 1987–1991
• GMC R Conventional 1987–1991
• GMC Sonoma 1991–2004
• GMC V Conventional 1987–1991