Does the 2025 GMC Sierra 2WD take premium or regular gas?

The EPA lists the 2025 GMC Sierra 2WD 2.7L 4-cyl, Automatic 8-spd, RWD as taking regular. Combined MPG is 19, and at today's gas prices that's about $3,000 a year in fuel.

← all 2025 GMC Sierra 2WD trims

2025 GMC Sierra 2WD — 2.7L 4-cyl, Automatic 8-spd, RWD

This 2025 GMC Sierra 2WD (2.7L 4-cyl, Automatic 8-spd, RWD) takes regular (87-octane) gasoline. REGULAR

MPG combined (18 city / 21 hwy)

$3,000

est. fuel cost / year (today’s prices, 15k mi)

468 g/mi

tailpipe CO₂

At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.

Other 2025 GMC Sierra 2WD trims

Trim	Fuel	MPG	Fuel/yr
2.7L 4-cyl, Automatic 8-spd, RWD	REGULAR	19	$3,000
5.3L 8-cyl, Automatic 10-spd, RWD	REGULAR	18	$3,167
5.3L 8-cyl, Automatic 10-spd, RWD	REGULAR	17	$3,353
3.0L 6-cyl, Automatic 10-spd, RWD	DIESEL	26	$2,758

EPA fuel type: Regular · class: Standard Pickup Trucks 2WD · engine: 2.7L 4-cyl turbo · transmission: Automatic 8-spd · drive: RWD · MPG retrieved 2026-07-24.