which cars can i put super gasoline in

[ODaisy]

You should only put super gasoline (premium fuel) in a car if the owner's manual explicitly requires or recommends it. Using it in a car designed for regular fuel typically provides no significant performance or cleaning benefits and is an unnecessary expense. The key is to follow your vehicle manufacturer's guidance, not marketing claims.

The difference lies in the octane rating, which measures a fuel's resistance to premature combustion, or "knocking." High-performance engines with higher compression ratios or forced induction (like turbochargers) need higher-octane fuel to prevent engine knock, which can cause damage. For most standard engines, regular 87-octane fuel is perfectly adequate.

To determine your car's needs, first check the owner's manual or the label inside the fuel door. It will state one of the following:

• "Premium Fuel Required": You must use premium fuel (typically 91 or 93 octane) to avoid potential engine damage and to achieve the advertised horsepower and fuel economy.
• "Premium Fuel Recommended": The engine is optimized for premium but can run on regular without harm. You may experience a slight reduction in performance and efficiency.
• No specification/ "Regular Unleaded": Use regular 87-octane fuel.

The following table lists examples of vehicles that typically require or recommend premium fuel:

Vehicle Type	Example Models (Typically Requiring/Recommending Premium)	Common Octane Requirement
High-Performance Sports Cars	Chevrolet Corvette, Porsche 911, Ford Mustang Shelby GT500	91-93
Luxury Sedans & SUVs	BMW M and S series, Mercedes-AMG models, Audi S and RS models	91-93
Vehicles with High-Torque Turbo Engines	Mazda CX-5 Turbo, Ford EcoBoost (2.7L, 3.5L), Genesis G70 3.3T	91
Supercars & Hypercars	Ferrari F8 Tributo, Lamborghini Huracán, McLaren 720S	93+
Certain High-Compression Motorcycles	Ducati Panigale V4, BMW S 1000 RR	91-93

Ultimately, using the correct octane is about engine protection, not just performance. If your manual says "required," it's a necessity. If it says "recommended," it's a choice that involves a trade-off between optimal performance and fuel cost.

[ONatalie]

Check your owner's manual or the sticker inside your fuel door—that's your bible for this. If it says "Premium Required," you gotta use it. If it just says "Recommended," you can use regular but might lose a bit of pep and gas mileage. For most regular cars and trucks, premium is just a waste of money. My old sedan runs just fine on the cheap stuff.

[VanessaRose]

Think of it as a cost-benefit analysis. Premium fuel is an added expense, so you need a clear reason to justify it. That reason is engine design. If you drive a high-performance vehicle with a turbocharger or a high-compression engine, the benefit (preventing damaging engine knock and achieving full power) outweighs the cost. For a standard commuter car, the benefit is negligible. You're paying more for no real return.

[ValeriaDella]

Modern engines are pretty smart. In many cars where premium is only "recommended," the engine's computer can adjust its timing to run safely on regular gas. You won't hurt the engine, but you might not feel the same responsiveness when you accelerate. It's like the car is holding back a little to protect itself. If you want every bit of power the engineers built in, you'll need to use the premium fuel it was tuned for.

[DiRowan]

Beyond performance, some drivers choose premium for its detergent packages, which can help keep fuel injectors clean. However, TOP TIER™ gasoline—a higher standard of detergent additive—is available in both regular and premium grades at many stations. So, if engine cleanliness is your goal, look for the TOP TIER logo on the pump rather than assuming premium is automatically better. This is a more targeted and cost-effective way to maintain your engine, regardless of the octane you choose.