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Fuel Economy of 1986 GMC Suburban
EPA MPG
MODEL City Comb Hwy
1986 GMC K15 Suburban 4WD 8 cyl, 5.7 L, Automatic 4-spd, Regular Gasoline
1986 GMC K15 Suburban 4WD 11

City
12

Combined

 15

Highway
1986 GMC K15 Suburban 4WD 8 cyl, 5.7 L, Automatic 4-spd, Regular Gasoline
1986 GMC K15 Suburban 4WD 10

City
12

Combined

 15

Highway
1986 GMC K15 Suburban 4WD 8 cyl, 5.7 L, Manual 4-spd, Regular Gasoline
1986 GMC K15 Suburban 4WD 10

City
11

Combined

 12

Highway
1986 GMC K15 Suburban 4WD 8 cyl, 6.2 L, Automatic 4-spd, Diesel
1986 GMC K15 Suburban 4WD 15

City
16

Combined

 20

Highway