1999 GMC Sierra 1500 MPG
Based on data from 42 vehicles, 2,266 fuel-ups and 594,048 miles of driving, the 1999 GMC Sierra 1500 gets a combined Avg MPG of 14.08 with a 0.12 MPG margin of error.
Below you can see a distribution of the fuel-ups with 92 outliers (3.90%) removed.
Following shows the average MPG of each of the 42 vehicles in the system.
1999 GMC Sierra 1500s For Sale Nearby
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Feb 2020 • 53 Fuel-upsProperty of ChadButtke
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13.4 Avg MPG
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Plow Truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Standard Cab Pickup
Added Jul 2020 • 3 Fuel-upsProperty of drconnelly85
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13.4 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Feb 2018 • 64 Fuel-upsProperty of clintmccoy
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16.1 Avg MPG
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Blue work truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jul 2019 • 27 Fuel-upsProperty of cdizzle
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11.6 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Oct 2020 • 12 Fuel-upsProperty of xxhybridxx
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16.5 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jul 2019 • 12 Fuel-upsProperty of hoffajd
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16.5 Avg MPG
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Sierra
1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Speed Standard Cab Pickup
Added Oct 2017 • 70 Fuel-upsProperty of bhagedorn
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13.0 Avg MPG
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1999 GMC Sierra
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jan 2018 • 240 Fuel-upsProperty of jndelisl
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16.2 Avg MPG
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Truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Extended Cab Pickup
Added Jan 2020 • 35 Fuel-upsProperty of EY44
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15.9 Avg MPG
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Sierra
1999 GMC Sierra 1500 SL 4.3L V6 GAS Automatic 4 Standard Cab Pickup (2 Door)
Added Aug 2015 • 19 Fuel-upsProperty of katjlr
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16.4 Avg MPG
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Walter Beard
1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Apr 2018 • 39 Fuel-upsProperty of roguemale
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13.4 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added May 2019 • 7 Fuel-upsProperty of 405g
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14.8 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Jul 2019 • 14 Fuel-upsProperty of reyes_gabriel350
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14.3 Avg MPG
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GMC Pickup
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Jun 2018 • 137 Fuel-upsProperty of Fr8Ddy
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15.7 Avg MPG
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Old fuck truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Jul 2018 • 39 Fuel-upsProperty of Robertk9
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14.5 Avg MPG
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Truck
1999 GMC Sierra 1500 SLT 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Feb 2019 • 187 Fuel-upsProperty of kstevens
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14.7 Avg MPG
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SilverGMC
1999 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Feb 2015 • 23 Fuel-upsProperty of 80Gator
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13.5 Avg MPG
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1999 Service Truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Aug 2016 • 138 Fuel-upsProperty of EONI
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13.7 Avg MPG
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My Sierra 1500
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jul 2017 • 18 Fuel-upsProperty of squidhunter
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15.7 Avg MPG
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Truck
1999 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Apr 2017 • 193 Fuel-upsProperty of Darcie
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18.4 Avg MPG