Driving and Operating

Gasoline Specifications (U.S. and Canada Only)

~1min read

At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB–3.5 or 3.511 in Canada.

Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT).

We recommend against the use of gasolines containing MMT.

See Fuel Additives for additional information.

Test yourself

A quick Cadillac CTS quiz: every answer comes with an explanation and a link to the manual page.