GMC · 1984–1999 · Gas

GMC Suburban MPG by year

The EPA has rated 16 model years of the GMC Suburban, from 1984 to 1999. The most fuel-efficient year is the 1999, at 14 MPG combined in its best configuration. The best 1999 model is 8% more efficient than the best 1984 model (14 vs. 13 MPG). The 1999 model is 12% less efficient than the median SUV that year (14 vs. 16 MPG).

Most efficient year199914 MPG combined
Latest (1999)14 MPG$3,321/yr to fuel
First rated (1984)13 MPG$3,577/yr at today's prices
Model years rated1643 configurations

Combined MPG by model year

  • Suburban, most efficient version
  • Range across configurations
  • Class median

Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.

Every Suburban model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
1999 Gas 14 MPG 12 / 17 16 — 1 $3,321
1998 Gas 14 MPG 12 / 17 17 — 1 $3,321
1997 Gas 14 MPG
lowest 12
12 / 17 18 — 2 $3,321
1996 Gas 14 MPG
lowest 13
12 / 17 18 — 2 $3,321
1995 Gas 13 MPG
lowest 12
12 / 16 17 — 2 $3,577
1994 Gas 13 MPG 11 / 16 17 — 2 $3,577
1993 Gas 13 MPG
lowest 12
11 / 16 17 — 2 $3,577
1992 Gas 13 MPG
lowest 12
11 / 16 17 — 2 $3,577
1991 Gas 13 MPG
lowest 12
11 / 16 17 — 2 $3,577
1990 Gas 14 MPG
lowest 12
12 / 17 17 — 3 $3,321
1989 Gas 14 MPG
lowest 12
12 / 17 17 — 3 $3,321
1988 Gas 13 MPG
lowest 11
11 / 17 16.5 — 3 $3,577
1987 Gas 14 MPG
lowest 11
12 / 17 17 — 4 $3,321
1986 Gas 14 MPG
lowest 11
12 / 16 17.5 — 6 $3,321
1985 Gas 13 MPG
lowest 11
11 / 16 17 — 5 $3,577
1984 Gas 13 MPG
lowest 11
11 / 15 17 — 3 $3,577

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare Suburban model years

See how much a newer Suburban would save over an older one.

Models similar to the GMC Suburban

Other GMC Suburban versions

Frequently asked questions

Which GMC Suburban year has the best fuel economy?

The 1996 GMC Suburban, rated up to 14 MPG combined. At 15,000 miles a year with $3.10/gal regular gas, that works out to about $3,321 a year.

Which GMC Suburban year has the worst fuel economy?

The 1993 model, whose most efficient version is rated 13 MPG combined (about $3,577 a year to fuel).

What is the fuel economy of the latest GMC Suburban?

The 1999 GMC Suburban is rated up to 14 MPG combined.

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