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#1539

GMC Sierra

🇺🇸 United States ·1989–now· pickup / SUV

petroldieselhybrid
12 photos from Wikimedia Commons · credits & licences
  1. 1. 2023 GMC Sierra 2500 Denali HD Ultimate in Titanium Rush Metallic, front left: Ethan Llamas· CC BY-SA 4.0
  2. 2. 2018 GMC Sierra Denali HD Duramax Crew Cab in Dark Slate Metallic, front left: Mr.choppers· CC BY-SA 3.0
  3. 3. 2019 GMC Sierra 1500 SLE X31 Off-Road front 5.31.19: Kevauto· CC BY-SA 4.0
  4. 4. 2019 GMC Sierra 1500 SLE X31 Off-Road rear 5.31.19: Kevauto· CC BY-SA 4.0
  5. 5. 2019 GMC Sierra AT4 5.3L V8, front 12.31.19: Kevauto· CC BY-SA 4.0
  6. 6. 2020 GMC Sierra 2500 Denali HD, Duramax 6.6L, front 2.1.20: Kevauto· CC BY-SA 4.0
  7. 7. 2020 GMC Sierra 2500 Denali HD, Duramax 6.6L, rear 2.1.20: Kevauto· CC BY-SA 4.0
  8. 8. 2022 GMC Sierra Denali interior: deathpallie325· CC BY-SA 4.0
  9. 9. 2022 GMC Sierra facelift interior: deathpallie325· CC BY-SA 4.0
  10. 10. 2023 GMC Sierra Denali interior: deathpallie325· CC BY-SA 4.0
  11. 11. 2023 GMC Sierra rear view: deathpallie325· CC BY-SA 4.0
  12. 12. 2024 GMC Sierra Elevation Crew Cab in Summit White, front left: Mr.choppers· CC BY-SA 3.0
Read about it on Wikipedia ↗
GMC Sierra, photo 1 of 12
1/12 Ethan Llamas· CC BY-SA 4.0

what the fuel types mean

  • petrol Cheapest to buy, simple, but fuel is expensive in NL.
  • diesel Frugal on long trips, but NL road tax is much higher and city bans are growing.
  • hybrid Petrol engine + small battery that charges itself. Great for city driving.

spec sheet

built
1989–now
body
pickup, SUV
engine
2.7 L–6.6 L
cylinders
4–8
turbo
some versions
power
—
drive
4x4, all-wheel drive, rear-wheel drive
gearbox
automatic, manual
seats
—
doors
—
weight
—
fuel use
—
CO₂
—
US rating
9–68 mpg
EV range
up to 660 km
US size class
Special Purpose Vehicle, Standard Pickup Trucks
avg new price NL
—

Ranges cover every version ever sold. Blank means the sources don't say.

🇺🇸 US versions (795)

Every version the EPA tested, model years 1989–2027. mpg is combined; L/100 km converted.

yearversionenginegearboxdrivefuelmpgL/100
2027Sierra 2WD3.0 L 6 cyl turboAutomatic 10-spdRWDDiesel249.8
2027Sierra 2WD5.7 L 8 cylAutomatic 10-spdRWDRegular1713.8
2027Sierra 4WD3.0 L 6 cyl turboAutomatic 10-spd4WDDiesel2111.2
2027Sierra 4WD5.7 L 8 cylAutomatic 10-spd4WDRegular1614.7
2027Sierra 4WD6.6 L 8 cylAutomatic 10-spd4WDPremium1515.7
2027Sierra 4WD AT4X3.0 L 6 cyl turboAutomatic 10-spd4WDDiesel2111.2
2027Sierra 4WD AT4X6.6 L 8 cylAutomatic 10-spd4WDPremium1416.8
2027Sierra EV Ext Range (11kW Chgr)290 and 295 kW ACPM· 637 km rangeAutomatic (A1)4WDElectricity66—
2027Sierra Mud Terrain Tires 4WD3.0 L 6 cyl turboAutomatic 10-spd4WDDiesel2011.8
2027Sierra Mud Terrain Tires 4WD5.7 L 8 cylAutomatic 10-spd4WDRegular1416.8
2026Sierra 2WD2.7 L 4 cyl turboAutomatic 8-spdRWDRegular2011.8
2026Sierra 2WD3.0 L 6 cyl turboAutomatic 10-spdRWDDiesel259.4
2026Sierra 2WD5.3 L 8 cylAutomatic 10-spdRWDRegular1713.8
2026Sierra 2WD with Sport Mode2.7 L 4 cyl turboAutomatic 8-spdRWDRegular1912.4
2026Sierra 2WD with Sport Mode5.3 L 8 cylAutomatic 10-spdRWDRegular1813.1
2026Sierra 4WD2.7 L 4 cyl turboAutomatic 8-spd4WDRegular1813.1
2026Sierra 4WD5.3 L 8 cylAutomatic 10-spd4WDRegular1614.7
2026Sierra 4WD6.2 L 8 cylAutomatic 10-spd4WDPremium1614.7
2026Sierra 4WD AT4X6.2 L 8 cylAutomatic 10-spd4WDPremium1515.7
2026Sierra 4WD AT4X with Sport Mode3.0 L 6 cyl turboAutomatic 10-spd4WDDiesel1912.4
2026Sierra 4WD FFV5.3 L 8 cylAutomatic 10-spd4WDGasoline or E851713.8
2026Sierra 4WD (Municipal)5.3 L 8 cylAutomatic 10-spd4WDRegular1614.7
2026Sierra 4WD with Sport Mode2.7 L 4 cyl turboAutomatic 8-spd4WDRegular1713.8
2026Sierra 4WD with Sport Mode3.0 L 6 cyl turboAutomatic 10-spd4WDDiesel249.8
2026Sierra 4WD with Sport Mode5.3 L 8 cylAutomatic 10-spd4WDRegular1713.8

Sources: fueleconomy.gov.Updated 2026-11-08.

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