Mercedes Mullins
There are a variety of factors that determine whether a car can use premium fuel. Premium fuel, which is rated at 91-octane, can be compressed to a higher ratio without detonating erratically, which can manifest as knocking or pinging. While some luxury and performance models require premium fuel, there are a few that can run on regular-grade gas. For example, the 2014 Volvo XC90, 2013 Infiniti M37, 2011 Hyundai Equus, 2014 Lincoln MKZ, 2015 Lexus ES350, 2011 Lexus CT200h, 2010 Lincoln MKS, and the Volvo S60/S60 Cross Country. In addition, some mainstream brands like Chevrolet and Toyota now require premium fuel. It's important to refer to the owner's manual for the recommended fuel type, as using the correct fuel type is critical for the vehicle's performance, economy, and lifespan.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Cost | Premium gas costs an average of $0.75 more per gallon than regular-grade fuel. |
| Octane rating | Premium gas is rated at 91-octane, while regular-grade gas is typically 89-octane. |
| Engine performance | Premium gas can increase horsepower and fuel efficiency, but the improvements are minimal in average cars. |
| Engine health | Using regular-grade gas in a car designed for premium gas can lead to "engine knocking" and potentially damage the engine over time. |
| Fuel efficiency | Using premium gas in a car designed for regular gas will not improve fuel efficiency and may even decrease it. |
| Recommended use | Luxury cars, sports cars, and high-performance vehicles are typically designed to run on premium gas. |
| Examples of cars that use premium gas | Chevrolet Camaro, Mini Coopers, Subaru WRX, Mercedes-Benz, BMW, Audi |
| Examples of cars that use regular gas | 2014 Volvo XC90, 2013 Infiniti M37, 2011 Hyundai Equus, 2014 Lincoln MKZ, 2015 Lexus ES350 |
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What You'll Learn
Luxury cars that can use regular fuel
There is a common misconception that luxury vehicles must be filled with premium gas. This is not always the case, and there are a few luxury car models that can run on regular-grade fuel.
Firstly, the 2011 Lexus CT200h is a hybrid luxury vehicle that uses a combination of electric power and a 1.8-liter gas-powered engine. This engine is designed to be used with regular fuel, providing an excellent performance without the added expense of premium fuel.
The 2010 Lincoln MKS is another luxury car that can run on regular gas. It is equipped with a powerful 3.7-liter 273 horsepower engine, delivering an invigorating performance even when fuelled with regular-grade gas.
Volvo's S60 and S60 Cross Country models are also worth considering. These premium SUVs are powered by a 2.0-liter turbo-four engine, which can run on regular gas despite Volvo recommending premium fuel for optimal performance.
Additionally, the 2011 Hyundai Equus is Hyundai's entry into the luxury market, offering a premium interior and typical luxury features. Its 4.6-liter V-8 engine delivers a luxury performance even when fuelled with regular gas.
Lastly, the 2014 Lincoln MKZ, a luxury sport sedan, is designed to run efficiently on regular gas. Its 3.6-liter V-6 engine does not even recommend premium fuel, making it a cost-effective choice for those seeking a luxury car without the premium fuel expense.
While these luxury cars can operate on regular fuel, it is important to note that using regular gas in a car designed for premium fuel may adversely affect its performance and fuel economy. However, for those seeking to save money at the pump, choosing a vehicle designed for regular fuel is a more cost-effective option.
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Premium fuel recommendations
When it comes to premium fuel recommendations for vehicles, there are a few key factors to consider. Firstly, it is essential to refer to the owner's manual for the manufacturer's guidance on the recommended fuel type. While premium fuel is typically associated with luxury or high-performance vehicles, it is not always necessary to use it exclusively.
For luxury vehicles, there is a common misconception that they require premium fuel. However, several luxury models can run efficiently on regular-grade fuel. For example, the 2011 Lexus CT200h, a hybrid luxury vehicle, performs well using regular fuel. Similarly, the 2010 Lincoln MKS, a luxury car equipped with a powerful engine, delivers an invigorating performance even when using regular gas. The 2014 Lincoln MKZ, a luxury sport sedan, is another example of a Lincoln model that can run efficiently on regular gas.
On the other hand, certain luxury vehicles do require premium fuel to achieve optimal performance. Brands like Mercedes-Benz, BMW, and Audi often design cars that necessitate premium gasoline. Additionally, vehicles with turbocharged engines, such as Mini Coopers or Subaru WRX, typically need premium fuel to perform at their peak.
For "regular" vehicles, the need for premium fuel may depend on the specific model and its engine specifications. While most typical family cars, compacts, and economy cars are calibrated for regular gasoline, some newer models are recommending or requiring premium fuel. This includes certain versions of the Chevrolet Malibu sedan and the Jeep Renegade crossover SUV. As engine designs evolve, higher-compression turbocharged and direct fuel-injected engines are increasingly recommending premium-grade fuel to maximise performance.
It is worth noting that using premium fuel in a vehicle that is designed for regular fuel will not cause harm but may be an unnecessary expense. However, utilising regular fuel in a vehicle engineered for premium fuel can lead to engine knocking and a decrease in performance and fuel efficiency. Therefore, it is crucial to refer to the owner's manual and consider the specific requirements of your vehicle when making fuel choices.
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Premium fuel and engine health
Premium fuel is a type of gasoline with a higher octane rating than regular or mid-grade fuel. The octane rating measures the fuel's resistance to "knocking" or "pinging" during combustion, which is when the air and fuel mixture in the engine's cylinders combust prematurely, causing a rattling or pinging sound. Knocking can lead to engine damage and reduced performance.
While most cars on the road don't need premium gas and are designed to run efficiently on regular unleaded gasoline, some vehicles require or benefit from premium gas due to their high-performance engines. These engines often have higher compression ratios or turbochargers and are finely tuned to extract maximum power and efficiency from the fuel. Using regular gas in these engines can cause immediate and long-term effects on performance and longevity. The lower octane rating of regular gas may not sufficiently prevent knocking, which can lead to engine damage over time as critical components wear down.
However, for vehicles that can run on regular gas, using premium gas may not provide significant benefits and can be an unnecessary expense. It's important to understand the specific needs of your vehicle and use the appropriate fuel to maintain its health and performance. Using the wrong fuel can lead to reduced fuel efficiency, increased emissions, and potential engine damage, resulting in higher maintenance and repair costs.
Some luxury and performance models can run on regular-grade gas, such as the 2014 Volvo XC90, 2013 Infiniti M37, 2011 Hyundai Equus, 2014 Lincoln MKZ, 2015 Lexus ES350, 2011 Lexus CT200h, and 2010 Lincoln MKS. On the other hand, certain mainstream-brand cars, trucks, and SUVs, such as the 2023 Chevrolet Camaro, specify the use of premium-grade gas. It's always recommended to refer to the owner's manual to determine the appropriate fuel for your vehicle.
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Premium fuel and cost
Premium fuel costs an average of $0.75 more per gallon than regular-grade fuel. As of April 18, 2025, the AAA national average for regular-grade fuel was $3.162 per gallon. This means that premium fuel likely costs around $3.912 per gallon.
The price of gas varies across the United States, with the cost of filling up a car depending on location. For example, as of an unspecified date, the average cost of gas in Vermont was $3.092, while in Hawaii, it was $4.511.
Premium fuel is rated at 91 octane, while regular-grade fuel is typically rated at 89 octane. Octane is a measure of how much compression fuel can withstand before igniting. Higher octane fuel can be compressed to a higher ratio without detonating erratically, which can manifest as "knocking" or "pinging."
While many luxury vehicles are believed to require premium fuel, this is not always the case. Some luxury cars that can run on regular-grade fuel include:
- 2014 Volvo XC90
- 2013 Infiniti M37
- 2011 Hyundai Equus
- 2014 Lincoln MKZ
- 2015 Lexus ES350
- 2011 Lexus CT200h
- 2010 Lincoln MKS
- Volvo S60/S60 Cross Country
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Premium fuel and engine performance
Premium fuel is designed for high-performance engines. It has a higher octane rating, which means it is more stable and better balanced, reducing the risk of spontaneous combustion or "engine knock". This is particularly important for turbocharged engines or high-compression engines, which are designed to achieve maximum performance.
While premium fuel can improve engine performance and fuel efficiency in cars designed for its use, it is not necessary for all vehicles. In fact, using premium fuel in a car designed for regular fuel can be wasteful and even cause issues that require a mechanic. This is because engines designed for regular fuel have a knock sensor that can automatically adjust to accommodate lower octane fuel. However, the car's performance and fuel economy may be slightly affected.
It is important to refer to the owner's manual to determine the recommended fuel type for a specific car make and model. Some cars that require premium fuel will have an indication inside the fuel filler door, and the manual will specify the minimum octane rating necessary. For cars that recommend but do not require premium fuel, regular fuel can typically be used safely without a significant difference in performance.
There is a common misconception that luxury vehicles require premium fuel. While some luxury cars do need premium fuel, others can run efficiently on regular fuel. For example, the 2014 Volvo XC90, 2013 Infiniti M37, 2011 Lexus CT200h, and 2010 Lincoln MKS can all perform well with regular fuel. On the other hand, some mainstream non-luxury vehicles, such as certain models from Chevrolet and Toyota, now require premium fuel due to their high-compression turbocharged engines.
In summary, premium fuel can enhance engine performance and fuel efficiency in cars designed for its use, particularly those with turbocharged or high-compression engines. However, it is not necessary for all vehicles, and using it in a car designed for regular fuel may not provide any additional benefits. It is essential to refer to the car's manual to determine the recommended fuel type and make an informed decision.
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Frequently asked questions
Premium fuel is a higher-octane fuel that can be compressed to a higher ratio without detonating erratically. It usually manifests itself as "knocking" or "pinging" in the engine.
Luxury cars and high-performance vehicles are generally designed to run on premium fuel. Brands like Mercedes-Benz, BMW, and Audi often make cars that require premium gasoline. Vehicle models with turbocharged engines, such as Mini Coopers or Subaru WRX, also typically need premium fuel to perform at their peak.
Some specific models that require or recommend premium fuel include the 2015 Acura TLX, 2016 Nissan Maxima V6, 2014 Volvo XC90, 2013 Infiniti M37, 2011 Lexus CT200h, 2010 Lincoln MKS, and the 2014 Lincoln MKZ.
Yes, using premium fuel in a car that doesn't require it will not cause any harm. However, it might be an unnecessary expense, as premium fuel can cost significantly more than regular fuel.
You can refer to your owner's manual to determine the recommended fuel type for your vehicle. The fuel requirements for a given model are also usually printed on a label affixed to the inside of the fuel filler door.
