Vehicle Rankings

Best Gas Mileage Cars: Top 20 Most Fuel-Efficient Vehicles

July 1, 2024 · By Miles Per Gallon Calculator

Finding a car with great fuel economy saves you money at the pump, reduces your carbon footprint, and gives you fewer reasons to wince every time gas prices spike. But with dozens of efficiency ratings thrown around — city MPG, highway MPG, combined MPG, MPGe — it can be hard to know which number actually matters.

The answer is EPA combined MPG. It blends 55 percent city driving with 45 percent highway driving into a single figure that reflects how most people actually use their cars. It is the fairest apples-to-apples comparison across different vehicles, and it is the number used throughout this list. All figures come from the EPA’s official database at fueleconomy.gov.

Use our MPG Calculator to see exactly how much you would spend on fuel each year with any of these vehicles based on your own driving habits and local gas prices.

The Top 20 Most Fuel-Efficient Non-Electric Vehicles

The table below ranks the top 20 gas-powered and hybrid vehicles by EPA combined MPG. Pure battery-electric vehicles are excluded since they do not use gasoline. Plug-in hybrids are included at their gasoline-only rating to keep the comparison fair for drivers without home charging access.

RankVehicleEPA Combined MPGType
1Hyundai Ioniq Blue59 MPGMild Hybrid
2Toyota Prius57 MPGFull Hybrid
3Kia Niro53 MPGFull Hybrid
4Toyota Corolla Hybrid52 MPGFull Hybrid
5Honda Insight52 MPGFull Hybrid
6Toyota Camry Hybrid51 MPGFull Hybrid
7Honda Accord Hybrid48 MPGFull Hybrid
8Hyundai Sonata Hybrid47 MPGFull Hybrid
9Chevrolet Malibu Hybrid46 MPGMild Hybrid
10Ford Escape Hybrid44 MPGFull Hybrid
11Toyota Corolla Cross Hybrid42 MPGFull Hybrid
12Toyota Venza40 MPGFull Hybrid
13Toyota RAV4 Hybrid38 MPGFull Hybrid
14Honda CR-V Hybrid38 MPGFull Hybrid
15Honda Civic36 MPGGas
16Hyundai Elantra35 MPGGas
17Toyota Corolla34 MPGGas
18Mazda333 MPGGas
19Subaru Impreza32 MPGGas
20Toyota RAV430 MPGGas

Best MPG by Vehicle Segment

Not every driver needs a compact sedan. Here is a breakdown of the most fuel-efficient option in each major category, so you can find the best pick for your lifestyle.

Compact Cars

The Honda Civic leads the gas-only compact segment at 36 MPG combined, followed closely by the Hyundai Elantra at 35 MPG and the Toyota Corolla at 34 MPG. If you want to stay in a traditional compact without a hybrid system, these three are the clear front-runners. The Mazda3 at 33 MPG is also worth mentioning for drivers who want a more premium interior feel without sacrificing much at the pump.

Hybrid Sedans

This is where the efficiency numbers get impressive. The Hyundai Ioniq Blue tops the entire list at 59 MPG combined, and the Toyota Prius stays right behind it at 57 MPG. The Kia Niro at 53 MPG, the Toyota Corolla Hybrid and Honda Insight both at 52 MPG, and the Toyota Camry Hybrid at 51 MPG round out a segment that truly dominates fuel economy rankings. The Honda Accord Hybrid at 48 MPG is particularly notable because it delivers those savings in a full-size sedan that does not compromise on interior space or comfort.

Hybrid SUVs and Crossovers

Fuel efficiency in the SUV segment has improved dramatically thanks to hybrid technology. The Toyota Corolla Cross Hybrid at 42 MPG and the Toyota Venza at 40 MPG lead the smaller end of this category. The Toyota RAV4 Hybrid and Honda CR-V Hybrid both land at 38 MPG, which is remarkable for compact SUVs. The Ford Escape Hybrid at 44 MPG is a strong choice for buyers who want SUV practicality with near-sedan efficiency.

Non-Hybrid SUVs

If you prefer to skip the hybrid system, the Toyota RAV4 with its standard gas engine still achieves 30 MPG combined, which is competitive for the class. The Subaru Impreza at 32 MPG is technically a compact car but has the all-wheel-drive capability that SUV shoppers often seek, making it a practical alternative.

Why Hybrids Dominate the Top of the List

Look at the rankings above and you will notice something immediately: every vehicle in the top 14 spots uses some form of hybrid technology. This is not a coincidence, and it reflects a fundamental engineering advantage that hybrids hold over traditional combustion engines.

A standard gasoline engine wastes a significant portion of its fuel as heat, especially during city driving where the engine frequently idles or decelerates. A hybrid system captures the energy that would otherwise be lost during braking and stores it in a battery. That stored energy powers an electric motor that assists the engine during acceleration, which is the most fuel-hungry part of the drive cycle. The result is dramatically less gasoline consumed per mile, particularly in stop-and-go traffic.

Toyota pioneered mass-market hybrid technology with the original Prius in 1997, and decades of refinement show in the numbers. The Toyota Prius at 57 MPG combined essentially gets double the fuel efficiency of an average new vehicle sold in the United States. Hyundai has caught up significantly with the Ioniq Blue, which edges out even the Prius at 59 MPG through a combination of a lightweight body, an efficient Atkinson-cycle engine, and a well-calibrated regenerative braking system.

Mild hybrids like the Ioniq Blue and Chevrolet Malibu Hybrid use smaller battery packs than full hybrids, which keeps costs down. The electric motor in a mild hybrid assists the engine but cannot power the car on electricity alone. Full hybrids like the Prius can run in pure electric mode at low speeds, which is why they tend to show bigger efficiency gains in city driving specifically.

The gap between the best hybrid and the best gas-only vehicle on this list tells the whole story. The Hyundai Ioniq Blue at 59 MPG versus the Honda Civic at 36 MPG is a difference of 23 MPG. For a driver covering 15,000 miles per year at $3.50 per gallon, that gap translates to roughly $670 in annual fuel savings. Over five years of ownership, the hybrid pays back a meaningful portion of any price premium purely through fuel costs.

How to Use These Numbers in the Real World

EPA ratings are a reliable benchmark, but real-world fuel economy varies based on driving style, terrain, climate, and load. Aggressive acceleration, highway speeds above 65 mph, and cold weather all reduce efficiency below the EPA estimate. Smooth acceleration, consistent speeds, and moderate temperatures tend to match or slightly exceed the rating.

Drivers in dense urban areas typically see hybrid vehicles outperform their EPA ratings because city stop-and-go traffic is exactly where regenerative braking shines. Highway commuters who cruise at 70 mph or above will see smaller gaps between hybrid and gas-only vehicles, since there is less braking energy to recapture at constant highway speeds.

The most accurate way to estimate your personal fuel costs is to plug your expected annual mileage and local gas price into our MPG Calculator using the combined MPG figure from the table above. The calculator will show you yearly fuel costs, five-year totals, and help you compare two vehicles side by side.

All MPG figures on this page are sourced from the EPA’s fueleconomy.gov database and reflect the most current model year ratings available at the time of publication. The EPA updates its database regularly, and ratings can change slightly between model years as manufacturers refine their powertrains.