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2002 GMC Sonoma SLS 4WD Crew Cab
Shown: 2002 GMC Sonoma SLS 4WD Crew Cab. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
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  • MY2000–2004

GMC Sonoma MPG & Fuel Cost by Year

5 model years · 2000–2004

15 MPG
Combined
14 MPG
City
18 MPG
Highway
Annual cost · MY2004 Sonoma 4.3L 6-cyl 4WD
$4,360

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All GMC models

GMC Sonoma fuel economy at a glance

EPA has rated the GMC Sonoma for 5 model years, 2000 to 2004. Across those years its combined rating runs 14–23 MPG. The latest model year, 2004, has 1 configuration rated 15 MPG combined and costing $4,360 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2000 is the 2000 Sonoma 2.2L 4-cyl RWD, at 23 MPG. EPA ratings go back to 1984: the earliest rating on this page is 22 MPG in 1991.

GMC Sonoma MPG by year

141618202224 20002004 Gas 141618202224 20002004 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
GMC Sonoma: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2000-2004 (2nd gen) Generation page
2004 15 $4,360
2003 14–22 $2,970–$4,670
2002 14–22 $2,970–$4,670
2001 14–22 $2,970–$4,670
2000 16–23 $2,840–$4,080

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

GMC Sonoma generations

1 generations between 2000 and 2004. Open one for the table of every model year and configuration.

2002 GMC Sonoma SLS 4WD Crew Cab

2000-2004 GMC Sonoma (2nd gen)

14–23 MPG · $2,840–$4,670/yr

2004 powertrain options

Gas · 4.3L
Combined
15 MPG
Per year
$4,360
See gas configurations

GMC Sonoma MPG history, 1991–1999

GMC Sonoma: combined MPG range by model year, 1991–1999
YearGas (MPG)
1999 16–23
1998 16–22
1997 16–23
1996 17–23
1995 16–23
1994 16–22
1993 16–22
1992 16–22
Show 1 more year
GMC Sonoma: combined MPG range by model year, 1991–1999 (+1)
YearGas (MPG)
199116–22

EPA re-estimated the ratings of pre-2008 vehicles under its 2008 method; these are the re-estimated values.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the GMC Sonoma's gas mileage by year?

EPA combined ratings for the GMC Sonoma run 14–23 MPG across model years 2000 to 2004. The latest year, 2004, is rated 15 MPG.

Which GMC Sonoma model year has the best gas mileage?

The 2000 GMC Sonoma Sonoma 2.2L 4-cyl RWD has the highest combined rating since 2000, at 23 MPG.

How much does a GMC Sonoma cost to fuel per year?

For MY2004, EPA-rated configurations cost $4,360 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $4,360.

Has the GMC Sonoma's fuel economy improved over time?

No. The most efficient configuration moved from 23 MPG in 2000 to 15 MPG in 2004, 8 MPG less. Going back further, the best rating in 1984 was 22 MPG.