What happens if you don't put premium gas in an INFINITI?
Noah Mitchell
Published Jan 10, 2026
Using regular gas in an engine that requires premium could void your warranty. That is most likely to happen if using regular causes severe engine knock or pinging (premature ignition of the fuel, also known as detonation) that damages the pistons or other engine parts.
What happens if I don't put premium gas in my INFINITI?
What Happens If You Don'T Put Premium Gas In An Infiniti? Your warranty may be voided if you are using regular gas for an engine which requires Premium gas. In low octane levels, the engine might be damaged, as well as a possible void of your car warranty.
Can you put regular gas in an infinity?
You should use premium fuel with your INFINITI vehicle, as higher-octane fuel allows you to get the most out of your car or SUV's engine. If you use regular gas in your INFINITI instead, you adversely affect the emission control system and may even void the vehicle's warranty.
What happens if you don't use premium gas?
Other things to consider: failing to use high-octane fuel in your premium vehicle could cause engine knock or pinging, which sounds like there's a large woodpecker under your hood; you could experience damage to your components; and using the wrong octant level could even void your warranty. Ouch.
Can I put 87 gas in my INFINITI?
INFINITI recommends using fuel with at least 91 octane, so that your vehicle will function the way it was designed.
29 related questions foundDoes premium gas last longer?
Sadly, there's nothing in premium gasoline that would make it last longer than other fuels from the pump. Since the distinguishing feature is the higher-octane levels, the only real benefit you gain is lowering the chance of engine knocking, which isn't much of a threat on most modern fuel systems.
Can I put 89 in my INFINITI?
Let's start with the easy one. Most cars on the road recommend a standard grade 87 or 89. Premium gas 90-93 is completely okay to put in a standard vehicle. Car experts say there is no risk of damage to a standard car using premium fuel.
Do I really need to put premium gas in my car?
“Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. If heavy knocking is heard when using gasoline rated at 91 octane or higher, the engine needs service.”
Is premium gas necessary?
If your car doesn't ping using regular, then there's no reason to use premium. The anti-knock level is just fine for your engine. And today's advanced engine controls adjust the engine's timing and fuel mixture to compensate for differing octane levels to prevent pinging or knocking. Many cars only require regular gas.
Can I put premium gas in my car that takes regular?
Typically, "regular" gas is 87 octane, while anything over 91 octane is considered "premium" gasoline. A spokesperson with the American Automobile Association told FOX Business that it is safe to use premium fuel in your vehicle even if it takes regular.
Do I need to put premium gas in my Infiniti qx60?
The 2.5L Inline 4 Hybrid requires regular gas with 87 octane (even though it has a supercharger). 3.5L V6 requires premium-grade gas with 91 octane. Additives like octane boosters are not allowed. Oxygenates up to 10% can be used — MTBE can be used up to 15%.
What vehicles require premium gas?
- Audi A3; 2.0-liter turbo four.
- Audi Q3; 2.0-liter turbo four.
- Audi TT; 2.0-liter turbo.
- Cadillac XT5; 3.6-liter V6.
- Cadillac XT6; 3.6-liter V6.
- Lexus ES; 2.5-liter hybrid four; 3.5-liter V6.
- Lexus NX; 2.5-liter four.
- Lexus RX; 3.5-liter V6.
Does 2015 Infiniti Q50 require premium gas?
Let's start with a quick answer: All generations of the Infiniti Q50 take premium unleaded gasoline with an octane rating of 91.
Can you put regular gas in INFINITI Q50?
What Type of Gas Does the INFINITI Q50 Take? As do all current-year INFINITI vehicles, the 2020 INFINITI Q50 uses premium gas.
Does premium gas clean your engine?
Nope. Regular, plus, and premium gas all come with detergents to mitigate against carbon deposits in your engine. Plus and premium don't come with special powers for cleaning out the engine. If you're interested in cleaning out your engine, you're better off taking it in for service.
What happens if I accidentally put the wrong gas in my car?
Nothing will happen if you put premium fuel in a car that doesn't require it. Engine computers automatically adjust for octane, so you shouldn't notice any difference in performance—for better or for worse. The only downside is the extra money you spent at the pump.
Why do luxury cars need premium gas?
Luxury Cars require premium gas to function at higher fuel efficiency and to maximize their speed and performance. While you could use regular gas in a luxury car, using it long term will cause your engine to experience extra wear and could potentially void your warranty.
What happens if I accidentally put regular gas in my Mercedes?
Don't worry! While it may affect performance, accidentally putting regular gas in your Mercedes-Benz won't damage your car. While Mercedes-Benz cars run on premium fuel, your car will adjust if you accidentally put in 87 octane. You may notice lower performance and a drop in fuel economy.
Why does INFINITI require premium gas?
INFINITI vehicles use premium gas, as higher-octane fuel allows you to get the most out of your vehicle's engine. By switching to regular gas with an INFINITI model, that could adversely affect the emission control system. Using the wrong fuel for your vehicle may also void your vehicle's warranty.
Can you put 93 in INFINITI?
Infiniti recommends using 93 AKI octane number fuel and states 91 AKI octane number fuel is the minimum one should use in the Q50.
Does INFINITI G25 require premium fuel?
Infiniti suggests premium fuel for both the G25 and G37, although the company says that regular unleaded is acceptable. The priced right G25 offers all the power and features most any buyer could ask for from an entry-luxury sedan.
Is premium gas a waste of money?
Americans Waste HOW Much Money on Premium Gas?!
According to AAA, you're wasting money every time you fill up with premium if your owner's manual recommends regular. Apparently, Americans are wasting $2.1 billion a year buying premium gasoline when their cars only need regular.
What is the best gas to put in your car?
Regardless of whether your car calls for regular or premium, the best choice for ongoing performance and economy is a TOP TIER gasoline. Recent AAA testing found TOP TIER gasolines keep internal engine components up to 19 times cleaner than gasolines that only meet minimum EPA standards.
How long do INFINITI engines last?
To ensure the longest run possible for the Infiniti Q50, it should last at most 200,000 miles.As little as 15-30 years should pass without experiencing any issues with an Infiniti Q50. Taking your car 15,000 miles a year for a lifespan estimate.
Is Infiniti Q50 a reliable car?
The INFINITI Q50 Reliability Rating is 4.0 out of 5.0, which ranks it 10th out of 31 for luxury midsize cars. The average annual repair cost is $648 which means it has average ownership costs. While repairs are more common, these issues are less likely to be severe than with other cars.