2008 · SUV · Gas

2008 Hummer H3 MPG & fuel economy

The 2008 Hummer H3 is a SUV offered in 3 EPA-rated configurations. The most efficient version returns 15 MPG combined (14 city / 18 highway) on regular gasoline. Across the lineup, combined ratings range from 14 to 15 MPG. Efficiency is unchanged from the 2007 model. Among 101 SUVs rated for 2008, it ranks 72nd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $3,100 a year to fuel.

Compare
Combined 15 MPG 14 MPG city · 18 MPG hwy
Driving range — not published for this model
Your fuel cost $3,100 15,000 mi/yr · $20.67 per 100 mi
Class rank, 2008 #72 of 101 SUVs by fuel cost

What will it cost you?

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

Fuel average

The 2008 Hummer H3's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 6.0 km/L in the city and 7.7 km/L on the highway.

MPGkm/LL/100 km
City146.016.8
Highway187.713.1
Combined156.415.7

How it ranks among 2008 SUVs

Full class ranking →
  1. 1Ford Escape Hybrid32 MPG $1,453
  2. 2Mazda Tribute Hybrid32 MPG $1,453
  3. 3Mercury Mariner Hybrid32 MPG $1,453
  4. 4Saturn Vue Hybrid28 MPG $1,661
  5. 5Toyota Highlander Hybrid26 MPG $1,788
  6. 72Hummer H315 MPG $3,100
  7. 101Mercedes-Benz G-Class13 MPG $4,558
2008 H3Other SUVsClass median: $2,735/yr

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

H3 MPG across model years

Full history →

3 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
4WD/AWD · 3.7L 5-cyl · 4-speed automatic
H3 4WD		 Gas 14 MPG 18 MPG 15 MPG — $3,100
4WD/AWD · 3.7L 5-cyl · 5-speed manual
H3 4WD		 Gas 13 MPG 18 MPG 15 MPG — $3,100
4WD/AWD · 5.3L 8-cyl · 4-speed automatic
H3 4WD		 Gas 13 MPG 16 MPG 14 MPG — $3,321

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
3.7L 5-cyl
Transmission
4-speed automatic
Drivetrain
4WD/AWD
Tailpipe CO₂
592 g/mi

2008 Hummer H3 vs. rivals

vs Land Rover Range Rover 15 MPG · $3,100/yr Same fuel cost vs Acura RDX 19 MPG · $3,118/yr H3 saves $18/yr vs Lexus RX 20 MPG · $2,962/yr RX saves $138/yr vs BMW X3 20 MPG · $2,962/yr X3 saves $138/yr vs BMW X5 18 MPG · $3,292/yr H3 saves $192/yr vs Infiniti FX35 18 MPG · $3,292/yr H3 saves $192/yr vs Volvo V70 19 MPG · $3,118/yr H3 saves $18/yr vs Infiniti EX35 19 MPG · $3,118/yr H3 saves $18/yr

Compare the 2008 H3

With any other car from any year, including other H3 model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2008 Hummer H3?

Up to 15 MPG combined (14 city / 18 highway); ratings range from 14 to 15 MPG depending on configuration.

What fuel does the 2008 Hummer H3 use?

Regular gasoline.

What is the fuel average in km/L for the 2008 Hummer H3?

The 2008 Hummer H3's fuel average is 6.4 km/L (15.7 L/100 km), or 15 MPG combined: 6.0 km/L in the city and 7.7 km/L on the highway.

How much does it cost to fuel the 2008 Hummer H3 per year?

About $3,100 at 15,000 miles a year with $3.10/gal regular gas, or $20.67 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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