Is it better to use 92 or 95 octane gasoline for the Mustang?

2 Answers
NolanAnn
07/29/25 1:48am
Whether to use 92 or 95 octane gasoline for the Mustang depends on the specific model: the 2.3T model can use 92 octane gasoline; the 5.0L model requires 95 octane gasoline. Taking the 2020 Ford Mustang as an example, its body dimensions are: length 4794mm, width 1916mm, height 1391mm, wheelbase 2720mm, fuel tank capacity 58.9L, and curb weight 1702kg. The 2020 Ford Mustang features a MacPherson strut front suspension and a multi-link rear suspension, with a maximum horsepower of 299ps, maximum power of 220kW, maximum torque of 434Nm, and is paired with a 10-speed automatic transmission.
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LeParker
08/12/25 5:52am
I've been driving a Mustang for several years and learned from a friend that using 95-octane fuel is best. It makes the engine run smoother, reduces those inexplicable knocking sounds, and delivers more powerful acceleration especially during high-speed driving. While 92-octane fuel is cheaper—saving about ten bucks per tank—long-term use can lead to increased carbon deposits, louder engine noise, and even necessitate premature maintenance of injectors or pistons, resulting in higher repair costs. I recommend regularly checking the fuel manual; the Mustang's factory settings actually recommend higher-octane fuel to protect the turbocharged system. I personally tried switching to 92-octane and felt the throttle response became sluggish—it didn't even last as long as 95 on long trips. Overall, 95 not only performs better but also reduces trips to the repair shop, making driving much more enjoyable.
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