GMC Sierra Mud Terrain Tires MPG by year — every rating on record

The GMC Sierra Mud Terrain Tires has a combined EPA fuel economy rating for 5 model years, from 2022 to 2026. Across those years its best rated version returned 23 mpg (2025) and its thirstiest returned 14 mpg (2022). The EPA record holds 32 configurations for this nameplate, most recently a Standard Pickup Trucks 4WD.

Year-by-year EPA ratings

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The GMC Sierra Mud Terrain Tires placed highest in 2022 at #14 of 28, and lowest in 2026 at #46 of 55. It spent 4 of its 5 ranked years in the top half of its class.

Every configuration on record

All 32 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 2 of 3 year-over-year steps improved the top rating.

What Sierra Mud Terrain Tires fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 GMC Sierra Mud Terrain Tires burns 676 to 767 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

EPA’s own estimate for the 2026 model year is $3,650 to $5,150 a year in fuel, or $7,000 more than the average new vehicle over five years.

How it compares with other Standard Pickup Trucks 4WD

Across the 90 nameplates EPA classifies as Standard Pickup Trucks 4WD, the median best combined rating is 19 mpg. At 17 mpg the GMC Sierra Mud Terrain Tires is 2 mpg below the median, which is worth about $249 a year at $3.50 a gallon.

• All Standard Pickup Trucks 4WD rankings — every nameplate in the class, best to worst.

Other GMC nameplates

Every GMC model compared → — all nameplates ranked by best combined rating, with what each one costs a year.