Car wash mode Official source verified
Keep the 2026 Sierra EV in Neutral for a Conveyor Car Wash
Use the official Car Wash Mode sequence so the electric truck remains in Neutral instead of automatically selecting Park.
Model-year configuration directory
GMC Sierra by year.
Select your exact year to see every EPA-tested powertrain and driveline configuration, official fuel economy and any owner-manual feature guides.
761 EPA configurationsU.S. catalog · 1990–2026DieselElectricFlex fuelGasolineHybridNatural gas
Compare verified years → Verified guide groups
Exact model year
Which Sierra do you drive?
Every year below opens a complete EPA configuration guide. Powertrains are shown year by year because Hybrid, PHEV and EV availability changes over time.
2026 27 configurations · 6 feature guides Gasoline · Diesel · Flex fuel · Electric 2025 25 configurations Diesel · Gasoline · Flex fuel · Electric 2024 26 configurations Flex fuel · Gasoline · Diesel 2023 24 configurations · 2 feature guides Flex fuel · Gasoline · Diesel 2022 34 configurations Diesel · Flex fuel · Gasoline 2021 36 configurations Gasoline · Flex fuel · Diesel 2020 26 configurations Gasoline · Diesel · Flex fuel 2019 22 configurations Gasoline · Flex fuel 2018 14 configurations Hybrid · Flex fuel · Gasoline 2017 14 configurations Hybrid · Gasoline · Flex fuel 2016 14 configurations Hybrid · Flex fuel · Gasoline 2015 14 configurations Flex fuel · Gasoline 2014 6 configurations Flex fuel · Gasoline 2013 12 configurations Hybrid · Gasoline · Flex fuel 2012 12 configurations Hybrid · Flex fuel · Gasoline 2011 12 configurations Hybrid · Gasoline · Flex fuel 2010 12 configurations Hybrid · Gasoline · Flex fuel 2009 20 configurations Hybrid · Gasoline · Flex fuel 2008 12 configurations Gasoline · Flex fuel 2007 27 configurations Gasoline · Flex fuel · Hybrid 2006 17 configurations Hybrid · Gasoline · Flex fuel 2005 19 configurations Hybrid · Gasoline · Flex fuel · Natural gas 2004 16 configurations Hybrid · Gasoline · Flex fuel 2003 13 configurations Gasoline · Flex fuel 2002 13 configurations Gasoline 2001 11 configurations Gasoline 2000 12 configurations Gasoline 1999 16 configurations Gasoline 1998 18 configurations Gasoline · Diesel 1997 18 configurations Gasoline · Diesel 1996 19 configurations Gasoline · Diesel 1995 45 configurations Gasoline · Diesel 1994 44 configurations Gasoline · Diesel 1993 41 configurations Gasoline · Diesel 1992 20 configurations Gasoline · Diesel 1991 27 configurations Gasoline · Diesel 1990 23 configurations Gasoline · Diesel
Across verified years
Popular Sierra discoveries.
Power modes Official source verified
Keep the Sierra EV On for a Timed, Attended Stop
Set Park and the parking brake, then use the infotainment timer before leaving the driver seat briefly.
MultiPro Midgate Official source verified
Lower and Securely Raise the Sierra EV MultiPro Midgate
Fold the rear seats, support the midgate from outside and use short or long switch presses for the desired opening.
Cargo & utility Official source verified
Play Audio Through the MultiPro KICKER System
Open the MultiPro inner panel, power the independent 100-watt KICKER system and pair a phone over Bluetooth without running the truck radio.
Removable rear glass Official source verified
Remove and Secure the Sierra EV Midgate Rear Glass
Turn off the defroster, fold the seats, release both upper latches and lock the glass into the Midgate storage pocket.
One-Pedal Driving Official source verified
Turn On and Adjust One-Pedal Driving in the 2026 Sierra EV
Open Vehicle Controls, choose Drive and Park, enable One-Pedal Driving and select the desired deceleration level.