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Find Your 1999 Buick's Gas Mileage Below

Engine

Fuel Type

Transmission

Miles Per Gallon

City

Hwy

CENTURY
6 cyl., 3.1 LRegular Auto(L4) 20 29
LESABRE
6 cyl., 3.8 LRegular Auto(L4) 19 30
PARK AVENUE
6 cyl., 3.8 LPremium Auto(L4) 18 27
6 cyl., 3.8 LRegular Auto(L4) 19 28
REGAL
6 cyl., 3.8 LRegular Auto(L4) 19 30
6 cyl., 3.8 LPremium Auto(L4) 18 27
RIVIERA
6 cyl., 3.8 LPremium Auto(L4) 18 27