2018 GMC Yukon XL Gas Tank Size

Gas tank size for 2018 GMC Yukon XL. Fuel tank capacity in gallons and litres for 6 available trims.

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TrimGallonsLitresFuel type
  • SLE - 4dr SUV
  • (5.3L V8 6-speed Automatic)
31117Gas
  • SLE - 4dr SUV
  • (5.3L V8 4x4 6-speed Automatic)
31117Gas
  • SLT - 4dr SUV
  • (5.3L V8 6-speed Automatic)
31117Gas
  • SLT - 4dr SUV
  • (5.3L V8 4x4 6-speed Automatic)
31117Gas
  • Denali - 4dr SUV
  • (6.2L V8 10-speed Automatic)
31117Gas
  • Denali - 4dr SUV
  • (6.2L V8 4x4 10-speed Automatic)
31117Gas

Other Years