When considering gas-only vehicles with the best fuel economy, the 2024 Toyota Prius tops the list with an impressive EPA estimated 49–57 combined miles per gallon (mpg). Other notable mentions include the Hyundai Elantra and the Honda Accord, which also offer high fuel efficiency. Below is a table comparing the top gas-only vehicles based on their combined city/highway fuel economy ratings:
| Rank | Vehicle | Combined MPG | City MPG | Highway MPG | Starting Price |
|---|---|---|---|---|---|
| 1 | 2024 Toyota Prius | 49–57 | N/A | N/A | $29,045 |
| 2 | 2024 Hyundai Elantra | 34–54 | N/A | N/A | $22,775 |
| 3 | 2024 Hyundai Sonata | 27–47 | N/A | N/A | $28,650 |
| 4 | 2024 Toyota Camry | 25–52 | N/A | N/A | $27,515 |
| 5 | 2024 Toyota Corolla | 33–50 | N/A | N/A | $23,145 |
| 6 | 2024 Honda Accord / Accord Hybrid | 32–48 | N/A | N/A | $28,990 |
| 7 | 2024 Lexus ES | 25–44 | N/A | N/A | $43,190 |
| 8 | 2024 Toyota Crown | 30–41 | N/A | N/A | $41,445 |
| 9 | 2024 Mitsubishi Mirage | 39 | 36 | 43 | $17,955 |
| 10 | 2024 Mitsubishi Mirage G4 | 37 | 33 | 42 | $19,055 |
The Mitsubishi Mirage stands out as the most affordable option with a combined 39 mpg, making it an attractive choice for budget-conscious buyers seeking fuel efficiency. However, the Toyota Prius offers the best fuel economy overall, with a combined mpg that can reach up to 57, depending on the specific model and driving conditions.
Remember that actual fuel economy can vary based on driving habits, vehicle maintenance, and other factors. It’s also worth considering that hybrid and electric vehicles can offer even greater fuel savings, although this comparison focuses on gas-only cars.
Factors Affecting Gas Mileage
1. Engine Size and Type
The size and type of your engine play a crucial role in determining your vehicle’s gas mileage. Generally, smaller engines tend to be more fuel-efficient than larger ones. This is because smaller engines require less fuel to operate. Additionally, certain engine types, such as hybrid or electric engines, are specifically designed to maximize fuel efficiency.
2. Vehicle Weight
The weight of your vehicle also affects gas mileage. Heavier vehicles require more energy to move, resulting in decreased fuel efficiency. If you frequently carry unnecessary items in your car, consider removing them to reduce weight and improve gas mileage. Additionally, be mindful of the cargo you load onto your vehicle’s roof, as this can increase aerodynamic drag and negatively impact fuel efficiency.
3. Aerodynamics
Aerodynamics refers to how smoothly air flows around your vehicle as it moves. Vehicles with better aerodynamics experience less resistance, allowing them to maintain higher gas mileage. Features such as streamlined shapes, low-drag designs, and properly aligned body panels can all contribute to improved aerodynamics. Consider the design of your vehicle and make any necessary adjustments to optimize aerodynamics and enhance fuel efficiency.
4. Tire Pressure
Proper tire pressure is crucial for both safety and gas mileage. Underinflated tires create more rolling resistance, which requires your engine to work harder and consume more fuel. On the other hand, overinflated tires can reduce traction and also negatively affect gas mileage. Regularly check your tire pressure and ensure it is at the recommended level to maximize fuel efficiency.
5. Driving Habits
Your driving habits have a significant impact on your gas mileage. Aggressive driving, such as rapid acceleration, hard braking, and excessive speeding, can significantly decrease fuel efficiency. Additionally, idling for long periods and frequent stop-and-go traffic can also waste fuel. By adopting smooth driving techniques, maintaining a consistent speed, and avoiding unnecessary idling, you can improve your gas mileage and reduce fuel consumption.
Best Gas Mileage Cars by Class
When it comes to choosing a vehicle with excellent gas mileage, it’s important to consider the different classes of cars available in the market. Each class offers its own advantages and features that cater to specific needs and preferences. Let’s take a closer look at the best gas mileage cars in each class:
Compact Cars
Compact cars are known for their affordability, efficiency, and maneuverability. They are an excellent choice for urban dwellers or those looking for a fuel-efficient vehicle without compromising on interior space. Here are some of the top compact cars that offer impressive gas mileage:
- Toyota Prius: The Prius has become synonymous with hybrid technology and exceptional fuel efficiency. With its aerodynamic design and advanced hybrid powertrain, the Prius delivers outstanding gas mileage, making it a popular choice among eco-conscious drivers.
- Honda Civic: The Honda Civic has been a favorite among compact car enthusiasts for years. With its efficient engine options and lightweight design, the Civic offers a good balance between fuel economy and performance. It’s a reliable choice for daily commuting and long drives alike.
- Ford Fusion: The Ford Fusion offers a range of engine options, including hybrid and plug-in hybrid variants, making it a versatile choice for those seeking excellent gas mileage. Its sleek design and comfortable interior add to its appeal.
Sedans
Sedans are known for their spaciousness, comfort, and refined driving experience. While they may not be as compact as their smaller counterparts, sedans still offer impressive gas mileage. Here are some of the best sedans in terms of fuel efficiency:
- Honda Accord: The Honda Accord is a popular choice among sedan buyers, and for good reason. With its range of fuel-efficient engine options and smooth ride quality, the Accord delivers excellent gas mileage without compromising on performance or comfort.
- Toyota Camry: The Toyota Camry has been a best-seller in the sedan segment for years. Its reputation for reliability is matched by its impressive fuel efficiency. The Camry offers a variety of engine choices, including hybrid options, ensuring there’s a model to suit every eco-conscious driver’s needs.
- Chevrolet Malibu: The Chevrolet Malibu combines style, comfort, and fuel efficiency in one package. With its turbocharged engine options and aerodynamic design, the Malibu delivers a smooth and efficient driving experience.
SUVs
SUVs have always been associated with power and versatility, but they haven’t always been known for their fuel efficiency. However, advancements in technology have made it possible for SUVs to offer better gas mileage without compromising on their utility. Here are some of the top SUVs in terms of fuel efficiency:
- Toyota RAV4 Hybrid: The Toyota RAV4 Hybrid combines the practicality and utility of an SUV with the fuel efficiency of a hybrid. It offers a spacious interior, capable off-road performance, and excellent gas mileage, making it a great choice for both urban and outdoor adventures.
- Honda CR-V: The Honda CR-V is a compact SUV that offers impressive fuel economy without sacrificing cargo space or comfort. Its efficient engine options and aerodynamic design contribute to its excellent gas mileage.
- Lexus UX Hybrid: The Lexus UX Hybrid is a luxury compact SUV that combines elegance, comfort, and fuel efficiency. With its hybrid powertrain, the UX delivers a smooth and quiet ride while achieving impressive gas mileage.
Hybrid/Electric Cars
Hybrid and electric cars are becoming increasingly popular as consumers prioritize fuel efficiency and environmental sustainability. These vehicles utilize a combination of internal combustion engines and electric motors to maximize fuel economy. Here are some of the best hybrid and electric cars available:
- Toyota Prius: As mentioned earlier, the Toyota Prius is a pioneer in hybrid technology. With its exceptional gas mileage and eco-friendly features, the Prius has become a symbol of fuel efficiency.
- Tesla Model S: The Tesla Model S is an all-electric luxury sedan that offers exhilarating performance and zero tailpipe emissions. With its cutting-edge technology and long-range capabilities, the Model S has revolutionized the electric car market.
- Chevrolet Bolt EV: The Chevrolet Bolt EV is an affordable electric vehicle that offers an impressive range and practicality. It provides a smooth and quiet driving experience while minimizing the need for frequent charging.
Luxury Cars
Luxury cars are often associated with power and opulence, but they can also offer impressive gas mileage. Manufacturers have started incorporating hybrid and fuel-efficient technologies into their luxury models, making them both eco-friendly and luxurious. Here are some of the top luxury cars in terms of fuel efficiency:
- Lexus ES Hybrid: The Lexus ES Hybrid combines luxury and fuel efficiency seamlessly. Its refined interior, smooth ride, and advanced hybrid powertrain make it an excellent choice for those seeking a fuel-efficient luxury sedan.
- BMW 3 Series: The BMW 3 Series has long been revered for its driving dynamics and performance. In recent years, BMW has also introduced hybrid variants of the 3 Series, offering excellent gas mileage without compromising on the brand’s signature sportiness.
- Audi A6: The Audi A6 is a luxury sedan that combines elegance, comfort, and fuel efficiency. With its range of efficient engine options and advanced technology, the A6 delivers a refined driving experience while prioritizing fuel economy.
Tips for Improving Gas Mileage
Regular Maintenance
Regular maintenance plays a crucial role in optimizing gas mileage. By keeping your vehicle in top condition, you ensure that all components are working efficiently, minimizing any unnecessary strain on the engine. Here are some maintenance tasks to prioritize:
- Engine Tune-Ups: Regular tune-ups, including replacing spark plugs and air filters, can improve fuel combustion and boost gas mileage.
- Oil Changes: Changing your engine oil as recommended by the manufacturer helps maintain proper lubrication, reducing friction and improving fuel efficiency.
- Fuel System Cleaning: Over time, deposits can build up in the fuel system, negatively impacting fuel delivery and combustion. Regular fuel system cleanings can help restore optimal performance.
- Oxygen Sensor Replacement: Faulty oxygen sensors can lead to inaccurate fuel-air mixture readings, resulting in decreased fuel efficiency. Replacing them at the recommended intervals can help maintain optimal gas mileage.
Proper Tire Inflation
One often overlooked aspect of improving gas mileage is ensuring your tires are properly inflated. Underinflated tires create more rolling resistance, which means your engine has to work harder to move the vehicle. Here’s what you can do:
- Check Tire Pressure: Regularly check your tire pressure using a tire gauge. Refer to your vehicle’s manual for the recommended pressure levels.
- Inflate Tires to the Recommended Pressure: If your tires are underinflated, inflate them to the recommended pressure. This simple step can improve fuel efficiency by reducing rolling resistance.
- Monitor Tire Wear: Uneven tire wear can indicate alignment or suspension issues that can affect gas mileage. If you notice abnormal wear patterns, have your vehicle inspected by a qualified mechanic.
Smooth Driving Techniques
The way you drive can have a significant impact on your gas mileage. By adopting smooth driving techniques, you can optimize fuel efficiency and reduce unnecessary fuel consumption. Here are some tips:
- Avoid Rapid Acceleration and Hard Braking: Rapid acceleration and hard braking consume more fuel. Instead, accelerate gradually and brake gently to maintain a steady speed.
- Maintain a Consistent Speed: Frequent changes in speed, such as speeding up and slowing down, can decrease gas mileage. Whenever possible, maintain a consistent speed to optimize fuel efficiency.
- Anticipate Traffic: Look ahead and anticipate traffic conditions to avoid unnecessary braking and acceleration. This proactive approach can help reduce fuel consumption.
- Utilize Cruise Control: When driving on highways or long stretches of road, consider using cruise control. It helps maintain a steady speed, optimizing fuel efficiency.
Avoiding Excessive Idling
Leaving your engine running while your vehicle is stationary is one of the biggest culprits of wasted fuel. Here are some ways to minimize excessive idling:
- Turn Off the Engine: If you anticipate being parked for more than a minute, it’s more fuel-efficient to turn off the engine and restart when you’re ready to go.
- Avoid Drive-Throughs: Instead of idling in drive-through lines, park your vehicle and go inside whenever possible. This simple change can save fuel and reduce emissions.
- Plan Ahead: If you know you’ll be waiting for an extended period, try to plan your trips accordingly. Avoid peak traffic times or choose routes with fewer traffic lights to minimize idle time.
Removing Excess Weight
Carrying unnecessary weight in your vehicle can decrease gas mileage. Here’s what you can do to lighten the load:
- Clean Out Your Trunk: Remove any items from your trunk that you don’t need for your current trip. Extra weight puts a strain on the engine and reduces fuel efficiency.
- Avoid Roof Racks: If you’re not using roof racks or cargo carriers, remove them. They create wind resistance, negatively impacting aerodynamics and fuel efficiency.
- Consider Carpooling: If you regularly commute with additional passengers, consider carpooling. Sharing the load reduces the overall weight and improves gas mileage for everyone involved.
Gas Mileage Myths Debunked
Premium Fuel Improves Mileage
When it comes to fueling up our vehicles, there are several myths that have been circulating for years. One of the most common myths is that using premium fuel will improve our gas mileage. However, this is not necessarily true.
Using premium fuel may be required for some high-performance vehicles that have engines designed to run on higher octane levels. These vehicles have specific compression ratios and ignition timing that require the use of premium fuel to prevent engine knocking or pinging. But for the majority of vehicles on the road, using premium fuel does not provide any significant improvement in gas mileage.
The misconception that premium fuel improves mileage might stem from the fact that some premium fuels contain additional additives that can help clean the engine and fuel system. These additives can potentially improve the efficiency of the engine, leading to better overall performance. However, the effect on gas mileage is usually minimal and not worth the extra cost of premium fuel.
In fact, using premium fuel in a vehicle that does not require it can actually be a waste of money. Premium fuel is typically more expensive than regular unleaded fuel, and using it unnecessarily can add up to significant extra costs over time. It’s always best to consult your vehicle’s owner’s manual to determine the recommended fuel type and octane level for optimal performance and fuel efficiency.
Warm-Up Your Car for Better Efficiency
Another common myth surrounding gas mileage is the belief that warming up your car before driving will improve fuel efficiency. Many people think that letting the engine idle for a few minutes before hitting the road will help the engine reach its optimal operating temperature, resulting in better gas mileage. However, this is not the case.
Modern cars are designed to be driven as soon as they are started. The engine is designed to warm up quickly while driving, and idling the engine for an extended period of time is not only unnecessary but also wasteful. In fact, idling the engine for more than a minute can consume more fuel than restarting the engine.
The best way to warm up your car is to start driving gently and gradually increase your speed. This allows the engine to warm up efficiently and reach its optimal operating temperature. By avoiding unnecessary idling and driving gently, you can maximize your fuel efficiency and save money on gas.
Manual Transmission Gets Better Mileage
Many people believe that vehicles with manual transmissions get better gas mileage compared to those with automatic transmissions. While it is true that manual transmission vehicles can offer better control over gear shifts, it does not necessarily mean they are more fuel-efficient.
In the past, manual transmissions were often more fuel-efficient due to their simpler design and lighter weight. However, advancements in automatic transmission technology have closed the gap in fuel efficiency between the two types. In fact, some modern automatic transmissions can even outperform manual transmissions in terms of fuel economy.
The key factor in determining fuel efficiency is the overall design and engineering of the vehicle, including factors such as engine efficiency, aerodynamics, and weight. While manual transmissions can provide a more engaging driving experience, choosing a vehicle based solely on the transmission type may not result in significant fuel savings.
Air Conditioning vs. Open Windows
The debate between using air conditioning or opening the windows for better fuel efficiency has been ongoing for years. While it may seem logical to believe that turning off the air conditioning and opening the windows will save fuel, the reality is a bit more complex.
At lower speeds, opening the windows can be a more fuel-efficient option, as it does not put an additional load on the engine. However, at higher speeds, the increased aerodynamic drag caused by open windows can actually decrease fuel efficiency.
On the other hand, using air conditioning puts additional load on the engine, which can reduce fuel efficiency. However, modern vehicles are designed with more efficient air conditioning systems, and the impact on fuel economy is generally minimal.
To find the optimal balance between comfort and fuel efficiency, it is advisable to use the air conditioning at higher speeds or in hot weather conditions, and open the windows at lower speeds or in mild weather conditions. It’s also helpful to park in shaded areas or use sunshades to reduce the heat inside the vehicle, minimizing the need for excessive air conditioning.
Fuel Additives Improve Efficiency
Fuel additives are often marketed as a way to improve fuel efficiency, clean the engine, and reduce emissions. While some fuel additives may offer benefits in terms of engine cleanliness and performance, their impact on fuel efficiency is often exaggerated.
Most modern vehicles are designed to run efficiently on regular unleaded fuel without requiring any additional additives. Fuel additives claiming to boost fuel efficiency are often not supported by scientific evidence.
However, some fuel additives can provide benefits in specific scenarios. For example, fuel system cleaners can help remove deposits from fuel injectors and intake valves, improving engine performance and potentially increasing fuel efficiency. It’s important to note that these benefits are usually realized in older vehicles or in cases where the fuel system is significantly dirty or clogged.
Using fuel additives as a preventive measure in newer vehicles with clean fuel systems may not provide any noticeable improvements in fuel efficiency. It’s always best to consult your vehicle’s manufacturer recommendations or seek professional advice before using any fuel additives.