2004 · Full-Size Pickup · Gas / Flex-fuel

2004 GMC Sierra MPG & fuel economy

The 2004 GMC Sierra is a full-size pickup offered in 14 EPA-rated configurations. The most efficient version returns 16 MPG combined (14 city / 19 highway) on regular gasoline. Across the lineup, combined ratings range from 13 to 16 MPG. Efficiency is unchanged from the 2003 model. Among 20 full-size pickups rated for 2004, it ranks 11th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,906 a year to fuel.

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Combined 16 MPG 14 MPG city · 19 MPG hwy
Driving range — not published for this model
Your fuel cost $2,906 15,000 mi/yr · $19.38 per 100 mi
Class rank, 2004 #11 of 20 Full-Size Pickups by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2004 GMC Sierra's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.1 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway198.112.4
Combined166.814.7

How it ranks among 2004 Full-Size Pickups

Full class ranking →
  1. 1Ford Ranger23 MPG $2,022
  2. 2Mazda B Pickup23 MPG $2,022
  3. 3Toyota Tacoma22 MPG $2,114
  4. 4Nissan Frontier22 MPG $2,114
  5. 5Chevrolet Colorado21 MPG $2,214
  6. 11GMC Sierra16 MPG $2,906
  7. 20Chevrolet Silverado CNG10 MPGe $4,350
2004 SierraOther full-size pickupsClass median: $2,906/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Sierra MPG across model years

Full history →

14 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 4.3L 6-cyl · 4-speed automatic
Sierra 1500 2WD		 Gas 14 MPG 19 MPG 16 MPG — $2,906
RWD · 4.3L 6-cyl · 5-speed manual
Sierra 1500 2WD		 Gas 14 MPG 19 MPG 16 MPG — $2,906
RWD · 4.8L 8-cyl · 4-speed automatic
Sierra 1500 2WD		 Gas 15 MPG 19 MPG 16 MPG — $2,906
RWD · 4.8L 8-cyl · 5-speed manual
Sierra 1500 2WD		 Gas 14 MPG 19 MPG 16 MPG — $2,906
RWD · 5.3L 8-cyl · 4-speed automatic
Sierra 1500 2WD		 Gas 14 MPG 18 MPG 16 MPG — $2,906
4WD/AWD · 4.8L 8-cyl · 4-speed automatic
Sierra 1500 4WD		 Gas 13 MPG 17 MPG 15 MPG — $3,100
4WD/AWD · 5.3L 8-cyl · 4-speed automatic
Sierra 1500 4WD		 Gas 13 MPG 17 MPG 15 MPG — $3,100
RWD · 5.3L 8-cyl · 4-speed automatic
Sierra 1500 2WD		 Flex-fuel 13 MPG 18 MPG 15 MPG — $3,100
RWD · 6.0L 8-cyl · 4-speed automatic
Sierra 1500 2WD		 Gas 13 MPG 16 MPG 14 MPG — $3,321
4WD/AWD · 4.3L 6-cyl · 4-speed automatic
Sierra 1500 4WD		 Gas 13 MPG 17 MPG 14 MPG — $3,321
4WD/AWD · 4.3L 6-cyl · 5-speed manual
Sierra 1500 4WD		 Gas 13 MPG 17 MPG 14 MPG — $3,321
4WD/AWD · 4.8L 8-cyl · 5-speed manual
Sierra 1500 4WD		 Gas 13 MPG 16 MPG 14 MPG — $3,321
4WD/AWD · 5.3L 8-cyl · 4-speed automatic
Sierra 1500 4WD		 Flex-fuel 12 MPG 16 MPG 14 MPG — $3,321
4WD/AWD · 6.0L 8-cyl · 4-speed automatic
Sierra 1500 AWD		 Gas 12 MPG 16 MPG 13 MPG — $3,577

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
4.3L 6-cyl
Transmission
4-speed automatic
Drivetrain
RWD
Tailpipe CO₂
555 g/mi

2004 GMC Sierra vs. rivals

vs Ford F150 16 MPG · $2,906/yr Same fuel cost vs Dodge Ram 1500 Pickup 16 MPG · $2,906/yr Same fuel cost vs Chevrolet Silverado 16 MPG · $2,906/yr Same fuel cost vs Toyota Tundra 16 MPG · $2,906/yr Same fuel cost vs Chevrolet SSR Pickup 16 MPG · $2,906/yr Same fuel cost vs Dodge Dakota Pickup 17 MPG · $2,735/yr Dakota Pickup saves $171/yr vs Chevrolet Silverado Hybrid 17 MPG · $2,735/yr Silverado Hybrid saves $171/yr vs Chevrolet S10 Pickup 15 MPG · $3,100/yr Sierra saves $194/yr vs Nissan Titan 14 MPG · $3,321/yr Sierra saves $415/yr vs Ford F150 CNG 13 MPGe · $3,346/yr Sierra saves $440/yr vs Chevrolet Silverado CNG 10 MPGe · $4,350/yr Sierra saves $1,444/yr vs GMC Sierra Hybrid 17 MPG · $2,735/yr Sierra Hybrid saves $171/yr

Compare the 2004 Sierra

With any other car from any year, including other Sierra model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2004 GMC Sierra Hybrid (17 MPG)

Frequently asked questions

What is the gas mileage of the 2004 GMC Sierra?

Up to 16 MPG combined (14 city / 19 highway); ratings range from 13 to 16 MPG depending on configuration.

What fuel does the 2004 GMC Sierra use?

Regular gasoline.

What is the fuel average in km/L for the 2004 GMC Sierra?

The 2004 GMC Sierra's fuel average is 6.8 km/L (14.7 L/100 km), or 16 MPG combined: 6.0 km/L in the city and 8.1 km/L on the highway.

How much does it cost to fuel the 2004 GMC Sierra per year?

About $2,906 at 15,000 miles a year with $3.10/gal regular gas, or $19.38 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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