GMC Suburban MPG by year — every rating on record

The GMC Suburban has a combined EPA fuel economy rating for 16 model years, from 1984 to 1999. Across those years its best rated version returned 18 mpg (1984) and its thirstiest returned 11 mpg (1984). The EPA record holds 60 configurations for this nameplate, most recently a Sport Utility Vehicle - 2WD.

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 Suburban placed highest in 1987 at #2 of 2, and lowest in 1993 at #47 of 54. It spent 1 of its 16 ranked years in the top half of its class.

Every configuration on record

All 60 configurations EPA lists for this nameplate, newest first.

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 3 year-over-year steps improved the top rating.

What Suburban fuel costs over a year

At the EPA's 11,500 miles a year, the 1999 GMC Suburban burns 821 to 821 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 1999 model year is $4,450 to $4,450 a year in fuel, or $11,000 more than the average new vehicle over five years.

How it compares with other Special Purpose Vehicles

Across the 113 nameplates EPA classifies as Special Purpose Vehicles, the median best combined rating is 21 mpg. At 14 mpg the GMC Suburban is 7 mpg below the median, which is worth about $958 a year at $3.50 a gallon.

• All Special Purpose Vehicles 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.