GMC key-system generations
Different generations can use different transponders, smart keys, proximity systems, and programming procedures. These records are used as market references for the quote engine.
1997–2006
GM PK3
Key type
Transponder Key
Programming
OBD
Spare key reference
$199–$299
Typical $249
All keys lost reference
$249–$399
Typical $324
2010–2019
GM Global A
Key type
Remote Head Key
Programming
OBD
Spare key reference
$249–$399
Typical $324
All keys lost reference
$399–$599
Typical $499
2020–Current
GM Global B
Models: Silverado, Tahoe, Escalade
Key type
Push-to-Start Fob
Programming
Dealer / FDRS / SPS
Spare key reference
$399–$599
Typical $499
All keys lost reference
$599–$899
Typical $749
Final pricing can still vary by exact hardware, vehicle condition, service location, and all-keys-lost state. The estimator keeps the vehicle tied to its platform and records demand so weak data gets prioritized for research.