2008 GMC Sierra 1500 MPG
Based on data from 112 vehicles, 8,547 fuel-ups and 2,361,139 miles of driving, the 2008 GMC Sierra 1500 gets a combined Avg MPG of 14.01 with a 0.06 MPG margin of error.
Below you can see a distribution of the fuel-ups with 280 outliers (3.17%) removed.
Following shows the average MPG of each of the 112 vehicles in the system.
2008 GMC Sierra 1500s For Sale Nearby
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Chema Truck
2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
Added Mar 2023 • 35 Fuel-upsProperty of COM-Mattawa
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17.0 Avg MPG
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GMC
2008 GMC Sierra 1500 SLT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
Added Oct 2023 • 94 Fuel-upsProperty of Boconnor303
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12.3 Avg MPG
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2008 GMC Sierra 1500
2008 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed
Added Dec 2022 • 27 Fuel-upsProperty of tpfamily
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15.8 Avg MPG
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Esteban's pickup
2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed Cab & Chassis - Extended Cab
Added Oct 2022 • 15 Fuel-upsProperty of COM-Mattawa
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11.4 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 WT 5.3L V8 GAS Automatic 4 Speed
Added Dec 2020 • 40 Fuel-upsProperty of ace22398
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14.2 Avg MPG
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Sierra 1500
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Jun 2023 • 21 Fuel-upsProperty of Elpimpo1
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14.4 Avg MPG
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GMC
2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
Added Nov 2018 • 332 Fuel-upsProperty of jakirchoff
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12.7 Avg MPG
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Dad’s Red Truck
2008 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 4 Speed
Added Feb 2020 • 162 Fuel-upsProperty of SonomaCorkDork
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14.8 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed
Added Feb 2016 • 301 Fuel-upsProperty of badmoon692004
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16.2 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Jul 2023 • 5 Fuel-upsProperty of cbever
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18.5 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Mar 2023 • 5 Fuel-upsProperty of ClarkJ
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16.1 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Apr 2019 • 227 Fuel-upsProperty of grantallen
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12.0 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Dec 2022 • 4 Fuel-upsProperty of Bishop9409
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14.4 Avg MPG
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Red Sierra 1500
2008 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 4 Speed
Added Aug 2017 • 395 Fuel-upsProperty of kblunt
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14.6 Avg MPG
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Truck
2008 GMC Sierra 1500 SL 4.8L V8 GAS Automatic 4 Speed Extended Cab Pickup
Added Oct 2017 • 260 Fuel-upsProperty of glruff
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13.9 Avg MPG
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Beater Sierra
2008 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 4 Speed
Added Apr 2022 • 13 Fuel-upsProperty of DubSuburban
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12.2 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 SLE 4.8L V8 GAS Automatic 4 Speed
Added Jun 2022 • 4 Fuel-upsProperty of terry1658
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12.8 Avg MPG
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My Sierra 1500
2008 GMC Sierra 1500 WT 4.3L V6 GAS Automatic 4 Speed
Added Mar 2021 • 5 Fuel-upsProperty of hhudson26
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13.7 Avg MPG
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Denali
2008 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed Crew Cab Pickup
Added Oct 2015 • 218 Fuel-upsProperty of slatejoh
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5.9 Avg MPG
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GMC Sierra 1500
2008 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 4 Speed Crew Cab Pickup
Added Jan 2018 • 109 Fuel-upsProperty of JeffreyChurch
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13.5 Avg MPG