Gallonly
  • Cars
  • MY2026

Most Fuel-Efficient Midsize Cars of 2026

The most efficient 2026 midsize car is the Toyota Prius (2.0 L · FWD) at 57 MPG combined, 27 MPG above the median midsize car (30 MPG) among the 22 midsize cars ranked. The Toyota Prius costs about $1,150 a year to fuel, $1,140 less than the median midsize car ($2,290).

The top 10 run from 57 MPG to 31 MPG. Each model is listed once, with its best qualifying configuration named in the row; models with the same displayed value share a rank.

Best combined

57MPG

Toyota Prius

Median model

30MPG

22 models

Top-10 median

47MPG

Models ranked

22

one row per model

Full ranking

All 22 models. Every column is sortable.

Most Fuel-Efficient Midsize Cars of 2026: top 22 of 22 models
1
Toyota Prius
2.0 L · FWD
Hybrid
575756$1,150+27
2
Hyundai Elantra
Hybrid Blue · 1.6 L · FWD
Hybrid
545158$1,220+24
3
Toyota Camry
HEV FF LE · 2.5 L · FWD
Hybrid
515249$1,280+21
4
Honda Civic
4Dr · 2.0 L · FWD
Hybrid
495047$1,330+19
5
Honda Accord
Hybrid · 2.0 L · FWD
Hybrid
485144$1,360+18
6
Lexus ES
350h · 2.5 L · FWD
Hybrid · Premium fuel
464844$1,730+16
7
Toyota Crown
Hybrid · 2.5 L · AWD
Hybrid
414241$1,590+11
8
Nissan Sentra
(3-mode) · 2.0 L · FWD
Gas
333038$1,960+3
8
Kia K4
without DMS · 2.0 L · FWD
Gas
332939$1,980+3
10
BMW 5 Series
530i Sedan · 2.0 L · RWD
Hybrid · Premium fuel
312835$2,620+1
11
Mazda Mazda3
4-Door · 2.5 L · FWD
Gas
302736$2,1600
11
Nissan Altima
2.5 L · FWD
Gas
302636$2,1800
13
Mercedes-Benz E-Class
E350 · 2.0 L · RWD
Hybrid · Premium fuel
282533$2,880−2
13
Volvo S90
B5 · 2.0 L · FWD
Hybrid · Premium fuel
282434$2,880−2
15
Volkswagen Golf / GTI
GTI · 2.0 L · FWD
Gas
272432$2,390−3
15
Alfa Romeo Giulia
2.0 L · RWD
Gas · Premium fuel
272433$2,980−3
17
Audi A5
quattro · 2.0 L · AWD
Gas · Premium fuel
262232$3,120−4
17
Cadillac CT5
2.0 L · RWD
Gas · Premium fuel
262231$3,140−4
19
Audi A6
Allroad quattro · 3.0 L · AWD
Hybrid · Premium fuel
242130$3,300−6
20
Audi S5
Sport Sedan · 3.0 L · AWD
Gas · Premium fuel
232029$3,490−7
21
Subaru WRX
2.4 L · AWD
Gas · Premium fuel
221926$3,720−8
22
Lexus LS
500 · 3.4 L · AWD
Gas · Premium fuel
211727$3,840−9

How this list is built

Every line below is read from the list definition that produced the table.

  • Classes: Midsize cars.
  • Powertrains: Gas, Hybrid, Diesel.
  • Ranked by EPA combined MPG, highest first.
  • One row per model (make and model): the configuration that ranks best in this list is shown, with its trim, engine and drive named in the row.
  • Ties are decided on the displayed value (whole MPG or miles, kWh per 100 miles to one decimal, cost rounded to $10): tied models share a rank, then are ordered by a tie-breaker and by name.
  • Special-purpose vehicles, such as heavy-duty variants, are excluded.
  • Electric vehicles are ranked separately (see the EV rankings): gas, hybrid and diesel MPG is never mixed with MPGe.
  • Annual cost assumes 15,000 miles a year at the EPA rating and the dated national fuel prices stamped below; it is rounded to $10 and all differences use the rounded values.
  • Model years MY2022 to MY2026; a year is listed only when at least 10 models qualify.

Data and period

  • EPA ratings: fueleconomy.gov file of Sep 29, 2026
  • Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal); residential electricity, U.S. average, Jul 2026 (18.3¢/kWh)
  • 15,000 miles a year, 55% city and 45% highway

Frequently asked questions

Which 2026 midsize car gets the best gas mileage?

The most efficient 2026 midsize car is the Toyota Prius (2.0 L · FWD) at 57 MPG combined, 27 MPG above the median midsize car (30 MPG) among the 22 midsize cars ranked. The Toyota Prius costs about $1,150 a year to fuel, $1,140 less than the median midsize car ($2,290).

How much does the Toyota Prius cost to fuel per year?

About $1,150 a year at 15,000 miles a year, using the prices stamped at the bottom of this page. The median midsize car in this list costs $2,290 a year.

How many midsize cars are ranked for 2026?

22 models qualify, one row each. The median is 30 MPG, and the top 10 run from 57 MPG to 31 MPG.

How are ties, trims and drivetrains handled?

Each model appears once, with the configuration that ranks best in this list; its trim, engine and drive are named in the row. Models with the same displayed value share a rank (1, 2, 2, 4) and are then ordered by a tie-breaker and by name. See the methodology.

Are electric cars and plug-in hybrids included?

Not in this list. MPG rankings cover gas, hybrid and diesel models only. Electric cars are ranked in EV range and EV efficiency, and plug-in hybrids in electric range.

What does combined MPG mean?

EPA's combined rating blends 55% city and 45% highway driving. It comes from standardized laboratory tests, so your results will differ with driving style, weather and load. See the methodology.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal); residential electricity, U.S. average, Jul 2026 (18.3¢/kWh) · 15,000 miles a year, 55% city and 45% highway