Does the 2024 GMC Sierra 2WD take premium or regular gas?

The EPA lists the 2024 GMC Sierra 2WD 3.0L 6-cyl, Automatic 10-spd, RWD as taking diesel. Combined MPG is 25, and at today's gas prices that's about $2,868 a year in fuel.

← all 2024 GMC Sierra 2WD trims

2024 GMC Sierra 2WD — 3.0L 6-cyl, Automatic 10-spd, RWD

This 2024 GMC Sierra 2WD (3.0L 6-cyl, Automatic 10-spd, RWD) runs on diesel. DIESEL

MPG combined (23 city / 29 hwy)

$2,868

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

399 g/mi

tailpipe CO₂

At today's AAA national average price ($4.78/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 2024 GMC Sierra 2WD trims

Trim	Fuel	MPG	Fuel/yr
2.7L 4-cyl, Automatic 8-spd, RWD	REGULAR	20	$2,850
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	18	$3,167
5.3L 8-cyl, Automatic 10-spd, RWD	REGULAR	16	$3,562
5.3L 8-cyl, Automatic 10-spd, RWD	FLEX-FUEL	18	$3,450

EPA fuel type: Diesel · class: Standard Pickup Trucks 2WD · engine: 3.0L 6-cyl turbo · transmission: Automatic 10-spd · drive: RWD · MPG retrieved 2026-07-24.