1966
3 engine options
GMC 2500 Series
7 generations · 19 engine options · data across all years of the 2500 Series platform.
10,570
Labor times
2,850
Torque specs
0
DTC codes
0
Repair procedures
133
Fluid specs
0
Open recalls
5-Year Cost of Ownership · 1966 261ci I6
$6,987
~$1,397/yr maintenance labor at $150/hr. Other engines/years vary — pick a generation below to see its breakdown.
Generations & engine options
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