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The 2012 Nissan Maxima comes with a 3.5-liter engine that requires premium 91-octane gasoline, as stated on the fuel filler door and in the owner's manual. Octane rating indicates fuel's ability to resist pinging noise from the engine. Higher octane fuel results in quieter combustion. 91-octane fuel contains 91% octane with 9% heptane and is favored for high-performance engines. This Maxima model has a 20-gallon fuel tank and achieves 19 mpg in the city and 26 mpg on the highway. Additionally, regular oil changes play a crucial role in maintaining fuel efficiency and engine performance.
The 2012 Nissan Maxima is designed to run on regular unleaded gasoline.