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Buick Riviera MPG

EPA fuel economy for 33 Buick Riviera trims sold from 1984 to 1999. Best ever: 21 MPG (1996 Riviera). Latest model year 1999: 19 MPG combined across 1 trim.

21best combined MPG (1996)
17 / 27city / highway of the best trim
15lowest combined MPG (1984)
16model years rated
$4,070a year to fuel, cheapest 1999 trim at EPA prices

Buick Riviera fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $5.16 a gallon for premium and 15,000 miles a year, the 1999 Buick Riviera costs about $4,070 a year to fuel (Riviera, 3.8 L, 6 cyl, 19 MPG).

1999 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
Riviera3.8 L, 6 cylAuto 4-spdFWDPremium19$4,070cheapest

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

Buick Riviera MPG by year

YearBest combinedCityHwyBest trim that yearTrims
1999191625Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1998191625Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1997201726Riviera, 3.8 L, 6 cyl, Auto 4-spd2
1996211727Riviera, 3.8 L, 6 cyl, Auto 4-spd2
1995201726Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1993201725Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1992191624Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1991191624Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1990191625Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1989201726Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1988201726Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1987191625Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1986201727Riviera, 3.8 L, 6 cyl, Auto 4-spd1
1985211826Riviera, 5.7 L, 8 cyl, Diesel, Auto 4-spd7
1984211826Riviera, 5.7 L, 8 cyl, Diesel, Auto 4-spd11

Every Buick Riviera trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
1999Riviera3.8 L, 6 cylAuto 4-spdFWDPremium162519468$4,070
1998Riviera3.8 L, 6 cylAuto 4-spdFWDRegular162519468$3,280
1997Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172620444$3,120
1997Riviera3.8 L, 6 cylAuto 4-spdFWDPremium162419468$4,070
1996Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172721423$2,970
1996Riviera3.8 L, 6 cylAuto 4-spdFWDPremium162519468$4,070
1995Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172620444$3,120
1993Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172520444$3,120
1992Riviera3.8 L, 6 cylAuto 4-spdFWDRegular162419468$3,280
1991Riviera3.8 L, 6 cylAuto 4-spdFWDRegular162419468$3,280
1990Riviera3.8 L, 6 cylAuto 4-spdFWDRegular162519468$3,280
1989Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172620444$3,120
1988Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172620444$3,120
1987Riviera3.8 L, 6 cylAuto 4-spdFWDRegular162519468$3,280
1986Riviera3.8 L, 6 cylAuto 4-spdFWDRegular172720444$3,120
1985Riviera5.7 L, 8 cyl, DieselAuto 4-spdFWDDiesel182621485$4,270
1985Riviera5.0 L, 8 cylAuto 4-spdFWDRegular152117523$3,670
1985Riviera3.8 L, 6 cylAuto 4-spdFWDPremium152217523$4,550
1985Riviera5.0 L, 8 cylAuto 4-spdFWDRegular152017523$3,670
1985Riviera Convertible5.0 L, 8 cylAuto 4-spdFWDRegular152117523$3,670
1985Riviera Convertible3.8 L, 6 cylAuto 4-spdFWDPremium142217523$4,550
1985Riviera Convertible5.0 L, 8 cylAuto 4-spdFWDRegular152017523$3,670
1984Riviera5.7 L, 8 cyl, DieselAuto 4-spdDiesel182621485$4,270
1984Riviera5.0 L, 8 cylAuto 4-spdRegular142016555$3,900
1984Riviera5.0 L, 8 cylAuto 4-spdRegular142016555$3,900
1984Riviera Convertible5.0 L, 8 cylAuto 4-spdRegular142016555$3,900
1984Riviera Convertible5.0 L, 8 cylAuto 4-spdRegular142016555$3,900
1984Riviera3.8 L, 6 cylAuto 4-spdRegular132015592$4,160
1984Riviera4.1 L, 6 cylAuto 4-spdRegular132015592$4,160
1984Riviera4.1 L, 6 cylAuto 4-spdRegular131915592$4,160
1984Riviera Convertible3.8 L, 6 cylAuto 4-spdRegular132015592$4,160
1984Riviera Convertible4.1 L, 6 cylAuto 4-spdRegular132015592$4,160
1984Riviera Convertible4.1 L, 6 cylAuto 4-spdRegular131915592$4,160

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 1999 Midsize Cars

VehicleCombinedCityHwy
1999 Dodge Stratus272333
1999 Plymouth Breeze272333
1999 Mazda 626262330
1999 Mercedes-Benz E300 Turbodiesel262332
1999 Honda Accord242128
1999 Toyota Camry242129

All Midsize Cars ranked by MPG

Questions people ask

What is the best MPG for a Buick Riviera?

The most efficient Buick Riviera the EPA has rated is the 1996 Riviera at 21 MPG combined (17 city, 27 highway).

What MPG does the 1999 Buick Riviera get?

Every 1999 Buick Riviera trim is rated 19 MPG combined.

Which Buick Riviera has the worst fuel economy?

The 1984 Riviera is the lowest rated at 15 MPG combined.

How much does it cost to fuel a Buick Riviera for a year?

At $5.16 a gallon for premium and 15,000 miles a year, the 1999 Buick Riviera costs about $4,070 a year to fuel (Riviera, 3.8 L, 6 cyl, 19 MPG).

More from Buick: every Buick model. Fuel types on this model: Diesel, Premium, Regular. EPA classes: Compact Cars, Midsize Cars.