GMC Sierra 15 Hybrid MPG by year — every rating on record

The GMC Sierra 15 Hybrid has a combined EPA fuel economy rating for 11 model years, from 2004 to 2018. Across those years its best rated version returned 22 mpg (2010) and its thirstiest returned 16 mpg (2004). The EPA record holds 22 configurations for this nameplate, most recently a Standard Pickup Trucks 2WD / Standard Pickup Trucks 4WD.

In the EPA record this nameplate also appears as Sierra 15 Hybrid and Silverado 15 Hybrid. The figures below cover every one of them.

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 15 Hybrid placed highest in 2009 at #1 of 14, and lowest in 2006 at #15 of 25. It spent 9 of its 11 ranked years in the top half of its class.

Every configuration on record

All 22 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 4 year-over-year steps improved the top rating.

What Sierra 15 Hybrid fuel costs over a year

At the EPA's 11,500 miles a year, the 2018 GMC Sierra 15 Hybrid burns 575 to 639 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 2018 model year is $3,100 to $3,450 a year in fuel, or $4,250 more than the average new vehicle over five years.

How it compares with other Standard Pickup Trucks 2WD

Across the 57 nameplates EPA classifies as Standard Pickup Trucks 2WD, the median best combined rating is 20 mpg. At 20 mpg the GMC Sierra 15 Hybrid is exactly at the median.

• All Standard Pickup Trucks 2WD 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.