Cheapest Cars to Fuel in America

Key Findings

The most fuel-efficient gasoline-only vehicles cost under $700 per year to fuel at current gas prices (12,000 miles).
Conventional hybrids dominate the top of the list, with the best achieving 49–57 MPG combined.
The cheapest non-hybrid gasoline cars to fuel achieve 34–36 MPG and cost approximately $1,033–$1,094 per year.
The most efficient vehicles save over $715 per year in fuel compared to the average new vehicle (27.2 MPG).

Sources: EPA, Fuel Economy Guide, MY 2025; EIA, Short-Term Energy Outlook, September 2026, Table 2: Energy Prices; 2025 annual average regular gasoline retail price ($3.10)

Contents

Top 10: Hybrids
Top 10: Gasoline-Only
Savings vs Average Vehicle
Class Leaders
Five-Year Fuel Savings
Data Sources

01 Top 10: Hybrids

The most fuel-efficient gasoline-only vehicles cost under $700 per year to fuel at current gas prices (12,000 miles/year). Hybrid vehicles consistently top the fuel economy rankings. By combining an electric motor with a gasoline engine, hybrids capture braking energy and run on electric power at low speeds, dramatically improving city fuel economy. The following are among the most fuel-efficient hybrids by EPA combined rating.

EPA, Fuel Economy Guide, MY 2025; annual fuel cost calculated at 12,000 mi/year, $3.10/gal

Rank	Vehicle Class	Combined MPG	Annual Fuel Cost
1	Midsize hybrid sedan	57	$653
2	Midsize hybrid sedan (alt.)	54	$689
3	Midsize hybrid sedan (AWD)	54	$689
4	Small hybrid SUV	53	$702
5	Midsize hybrid sedan (upper trim)	52	$715
6	Midsize hybrid sedan (alt. 2)	51	$729
7	Compact hybrid sedan	50	$744
8	Midsize hybrid sedan (AWD, alt.)	50	$744
9	Compact hybrid sedan (alt.)	50	$744
10	Midsize hybrid sedan (alt. 3)	49	$759

EPA, Fuel Economy Guide, MY 2025. Vehicle class descriptions used instead of brand names. Rankings based on EPA combined MPG for non-plug-in hybrids.

02 Top 10: Gasoline-Only

For buyers who prefer a conventional gasoline vehicle without hybrid technology, the most efficient options still achieve impressive fuel economy, particularly subcompact and compact models with small turbocharged or naturally aspirated engines.

EPA, Fuel Economy Guide, MY 2025; gasoline-only (non-hybrid, non-diesel) vehicles

Rank	Vehicle Class	Combined MPG	Annual Fuel Cost
1	Midsize sedan (2.0L)	36	$1,033
2	Midsize sedan (2.0L, alt.)	36	$1,033
3	Compact sedan (2.0L)	35	$1,063
4	Compact hatchback (2.0L)	35	$1,063
5	Compact sedan (1.6L)	35	$1,063
6	Midsize sedan (2.0L, alt. 2)	34	$1,094
7	Midsize sedan (2.0L, alt. 3)	34	$1,094
8	Compact sedan (2.0L, alt.)	34	$1,094
9	Compact sedan (2.0L, alt. 2)	34	$1,094
10	Midsize sedan (2.0L, alt. 4)	34	$1,094

EPA, Fuel Economy Guide, MY 2025. Gasoline-only, non-hybrid vehicles. Vehicle class and engine size shown.

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03 Savings vs Average Vehicle

The average new vehicle sold in model year 2024 achieves 27.2 MPG combined, according to the EPA's 2025 Automotive Trends Report. At 12,000 miles and $3.10/gallon, this average vehicle costs $1,368 per year to fuel. The savings from choosing a more efficient vehicle are substantial.

EPA, The 2025 Automotive Trends Report (EPA-420-R-26-001), Table 2.1, fleet average 27.2 MPG (model year 2024); EIA average retail regular gasoline price

Vehicle Efficiency	Annual Cost	Annual Savings vs Average
Best hybrid (57 MPG)	$653	$715
Good hybrid (49 MPG)	$759	$609
Best gas-only (36 MPG)	$1,033	$334
Good gas-only (35 MPG)	$1,063	$305
Average vehicle (27.2 MPG)	$1,368	n/a

Calculated: annual cost = 12,000 / MPG × $3.10. Savings = average cost − efficient vehicle cost.

04 Class Leaders

Within each vehicle class, the most efficient model can significantly outperform the class average. The following compares the best non-hybrid gasoline fuel economy in each major class against that class's own average, both computed directly from the EPA's Fuel Economy Guide database.

EPA/DOE, Fuel Economy Guide database, gasoline-fueled vehicles, model years 2024–2025

Vehicle Class	Best MPG (non-hybrid gas)	Class Avg MPG	Annual Savings
Subcompact car	32	23.1	$447
Compact car	39	28.2	$365
Midsize car	36	29.2	$241
Small SUV/crossover	33	26.1	$298
Midsize/large SUV	24	19.6	$348
Pickup truck	26	19.0	$527

Best MPG and class average both computed from the EPA/DOE Fuel Economy Guide database, gasoline-fueled (non-hybrid, non-plug-in) vehicles, model years 2024–2025, unweighted average and maximum of comb08 by EPA vehicle class. Annual savings at 12,000 mi, $3.10/gal. EPA's own SUV taxonomy only distinguishes "small" from "standard" SUVs, so midsize and large SUVs are combined into one row here.

Subcompacts have the widest efficiency spread. The subcompact class covers everything from highly efficient small cars to two-seat sports cars, so its class average (23.1 MPG) sits well below its best-in-class model (32 MPG), a bigger gap than any other class. That means shopping within the subcompact class specifically for fuel economy, rather than assuming all subcompacts are efficient, matters more here than in any other vehicle class.

Shopping specifically in the SUV segment? See the full breakdown of the most and least fuel efficient SUVs and crossovers, from 33 MPG small crossovers down to 16 MPG full-size models.

05 Five-Year Fuel Savings

Fuel savings compound over time. A buyer choosing one of the cheapest-to-fuel vehicles over the average vehicle can save thousands of dollars over a typical ownership period.

5-year projections at constant fuel price and mileage assumptions

Vehicle Choice	5-Year Fuel Cost	5-Year Savings vs Average
Best hybrid (57 MPG)	$3,265	$3,575
Best gas-only (36 MPG)	$5,165	$1,675
Good gas-only (35 MPG)	$5,315	$1,525
Average vehicle (27.2 MPG)	$6,840	n/a

Calculated: 5-year cost = annual cost × 5. Savings = average 5-year cost − efficient 5-year cost.

Over 5 years, the best hybrid saves over $3,500 in fuel compared to the average new vehicle. Even a conventional gasoline car achieving 36 MPG saves $1,675, enough to cover a significant portion of its annual insurance cost.

06 Data Sources

EPA: Fuel Economy Guide, Model Year 2025. fueleconomy.gov
EPA: "The 2025 EPA Automotive Trends Report" (EPA-420-R-26-001). epa.gov
EIA: Weekly Retail Gasoline Prices. eia.gov

Disclaimer. This article is for informational purposes only. All data is sourced from U.S. government agencies as cited. Vehicle rankings are based on EPA combined fuel economy ratings for model year 2025. Specific model names are omitted; vehicle class and engine descriptions are used instead. Actual fuel economy varies by driving conditions, maintenance, and individual vehicle. Annual cost calculations assume 12,000 miles per year at the national average gasoline price. Rankings may change as new models are added to the EPA database.