Toyota
Buick Regal
 2018-2022 Owners Manual
In Brief » Performance and Maintenance
Fuel (2.0L Turbo Engine)

Premium Recommended Fuel

Premium Recommended Fuel

Use premium 93 octane unleaded gasoline in your vehicle. Unleaded gasoline with an octane rating as low as 87 may be used, but it will reduce performance and fuel economy.

Fuel (3.6L Engine)

Regular Fuel

Regular Fuel

Use only unleaded gasoline rated 87 octane or higher in your vehicle.

Do not use gasoline with an octane rating lower as it may result in vehicle damage and lower fuel economy.

E85 or FlexFuel

No E85 or FlexFuel

No E85 or FlexFuel

Gasoline-ethanol fuel blends greater than E15 (15% ethanol by volume), such as E85, cannot be used in this vehicle.

    More about «Performance and Maintenance»:

    Traction Control/Electronic Stability Control

    Fuel (2.0L Turbo Engine)

    Engine Oil Life System

    Buick Regal 2018-2022 Owners Manual / In Brief / Performance and Maintenance / Fuel (2.0L Turbo Engine)

    Buick Regal 2018-2022 Owners Manual

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