We are 103,000+ car owners sharing real-world car information.

Join Us

GMC Sierra 1500 Fuel Economy (g/100m)

 

The graph does not display if there are fewer than five results.
Model Year Body/Powertrain g/100m  
2006 2006 4dr Crew Cab 5.5ft bed 345-hp 6.0L V8 4-sp automatic AWD 6.54
See all data
With the 149 kilowatts 2.5L I4 engine, 6-speed manual transmission, and four-wheel drive w/low range, the 2006 GMC Sierra 1500 has been averaging 6.54 L/100km (liters per 100 kilometers).

The 2006 GMC Sierra 1500s in this analysis were driven mostly on the highway at an average speed of 65 kilometers per hour (about 25 percent of the kilometers driven). The rest of the kilometers were in the city (20 percent), in heavy traffic (5 percent), and in the suburbs (0 percent).

In addition, the average 2006 GMC Sierra 1500 in this analysis was driven on flat terrain with a medium foot and the AC not used at all.
2006 2006 4dr Crew Cab 5.5ft bed 310-hp 5.3L V8 4-sp automatic 4WD, part-time w/low range 5.95
See all data
2006 2006 4dr Extended Cab 6.5ft bed 295-hp 5.3L V8 4-sp automatic 4WD w/low range 37.6
See all data
2006 2006 4dr Extended Cab 5.5ft bed 295-hp 5.3L V8 4-sp automatic RWD 5.41
See all data

Return to top

What Our Members Are Saying about the Real Gas Mileage of the 2006 GMC Sierra 1500

2006 GMC Sierra 1500 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr Extended Cab 6.5ft bed 295-horsepower 5.3L V8
4-speed automatic 4WD w/low range
Fuel economy is a suggestion - the truck, like all trucks, gets mediocre fuel economy. see full GMC Sierra 1500 review
 

2006 GMC Sierra 1500 Gas Mileage (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the GMC Sierra 1500's real-world g/100m based on how and where you drive a car.