My actual Chevy dealer is good, nothing wrong with them. First dealer in 2012* tried to hose me. Never went back.
(3) Volt and (1) Spark EV
#1*: new 2012 volt
#1: almost new (used with 263 km) 2014 Spark EV
#2 used 2013 Volt ~90K km
#3 new 2019 Volt
Exception taken of winter tires, TPMS, second set of rim, regular maintenance (oil+filter, wiper blades, traction battery coolant change, etc) and only paid wearable items was on my 2013: brake @ 135k kms on 4 wheels and right front bearing/ABS sensor once out of warranty. Left font bearing and main traction motor bearing changed under warranty. Not bad for 171K kms once I gave the key to my son last August.