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Fuel Economy of 1999 Buick Vehicles
EPA MPG
MODEL City Comb Hwy
1999 Buick Century 6 cyl, 3.1 L, Automatic 4-spd, Regular Gasoline
Compare1999 Buick Century
17

City

21

Combined

26

Highway

1999 Buick LeSabre 6 cyl, 3.8 L, Automatic 4-spd, Regular Gasoline
Compare1999 Buick LeSabre
17

City

21

Combined

27

Highway

1999 Buick Park Avenue 6 cyl, 3.8 L, Automatic 4-spd, Premium Gasoline
Compare1999 Buick Park Avenue
16

City

19

Combined

25

Highway

1999 Buick Park Avenue 6 cyl, 3.8 L, Automatic 4-spd, Regular Gasoline
Compare1999 Buick Park Avenue
17

City

20

Combined

25

Highway

1999 Buick Regal 6 cyl, 3.8 L, Automatic 4-spd, Regular Gasoline
Compare1999 Buick Regal
17

City

21

Combined

27

Highway

1999 Buick Regal 6 cyl, 3.8 L, Automatic 4-spd, Premium Gasoline
Compare1999 Buick Regal
16

City

19

Combined

25

Highway

1999 Buick Riviera 6 cyl, 3.8 L, Automatic 4-spd, Premium Gasoline
Compare1999 Buick Riviera 16

City

19

Combined

25

Highway