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| 2015 GMC Sierra K15 Cab Chassis 4WD | |
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Flex-Fuel Vehicle
 6 cyl, 4.3 L, Automatic 6-spd Compare |
| Fuel Economy | |
| EPA MPG |
Regular Gas
Combined MPG:18
MPG
City MPG:16
Highway MPG:20
5.6 gals/100 miles
Combined MPG:12
MPG
City MPG:11
Highway MPG:14
8.3 gal/100mi
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| Unofficial MPG Estimates Shared by Vehicle Owners |
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| Vehicle Specification Data | |
| EPA Size Class More about EPA size class | Special Purpose Vehicle 4WD |
| Drive | 4-Wheel Drive |
| Gas Guzzler | no |
| Supercharger | no |
| Turbocharger | no |
| Passenger Volume | Not Available |
| Luggage Volume | Not Available |
| Engine Descriptor More about Engine Descriptors | SIDI; FFV |
| More about this vehicle | |