2015 Toyota Prius MPG and Fuel Cost

Every 2015 Toyota Prius is a hybrid, rated 48 mpg combined, plus a plug-in hybrid.

EPA fuel economy

2015 Toyota Prius · 2 EPA-tested versions

Best EPA rating

48MPG combined

50 city 46 highway

$1,400 a year to fuel

Fuel economy score10/10

1.8L 4-cyl hybrid · FWD · CVT

Best version saves $5,000 in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.47 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated Sep 30, 2026

At EPA's price assumptions, fuel costs about $1,400 a year. The plug-in hybrid adds 11 miles of electric range and 95 MPGe on electricity. Ratings for the best versions are unchanged from 2014.

Fewer complaints than a typical Prius year

The 2015 drew 35 owner complaints in its first three years, against about 44 for a typical Prius year. Best years are picked only from 2016 on, since counts for older years say less: owners filed fewer complaints in the early 2010s.

Years to avoid: 2010, 2012, and 2016. Based on owner complaints, not adjusted for sales.

Every Prius year ranked The 2015 Prius's recalls and problems

Every 2015 Prius version

EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices; for plug-in hybrids it assumes typical charging.

Version	Combined	City / Hwy	Fuel / year
Hybrid
1.8L 4-cyl hybrid · FWD · CVT Best EPA listing: Prius	48 mpg	50 / 46	$1,400
Plug-in hybrid
1.8L 4-cyl plug-in hybrid · FWD · CVT EPA listing: Prius Plug-in Hybrid · 95 MPGe on electricity · 11 mi electric range · MPG shown is running on gas	50 mpg	51 / 49	$1,200 with charging (EPA); gas only $1,350

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.47 a gallon for regular gas. Change the numbers to match your driving.

Version	Per year	Per month	5 years
1.8L 4-cyl hybrid · FWD · CVT	$1,397	$116	$6,984
1.8L 4-cyl plug-in hybrid · FWD · CVT (on gas)	$1,341	$112	$6,705

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50. Plug-in hybrids are calculated running on gas only.

How long does a hybrid take to pay for itself? See the payback for every model sold both ways.

Toyota Prius MPG by model year

The best-rated version in each model year; the highlighted year is this page. Hybrid: 48 to 57 mpg (every year from 2010 to 2026); 57 since 2023.

2015: hybrid 48 mpg

Show as a table

Toyota Prius best combined mpg by model year
Model year	Best hybrid version
2010	50
2011	48
2012	48
2013	48
2014	48
2015	48
2016	56
2017	56
2018	56
2019	56
2020	56
2021	56
2022	56
2023	57
2024	57
2025	57
2026	57

Every Prius year's ratings in one table

How the 2015 Prius compares

2015 compact cars covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.

2015 model	Best combined	Best gas	Fuel / year
Toyota Prius This page Best: hybrid	48 mpg	–	$1,400
Honda Civic Best: hybrid	44 mpg	34 mpg	$1,500
Volkswagen Jetta Best: hybrid	44 mpg	29 mpg	$1,850
Toyota Corolla Best: gas	34 mpg	34 mpg	$1,950
Nissan Sentra Best: gas	33 mpg	33 mpg	$2,050
Mazda3 Best: gas	33 mpg	33 mpg	$2,050
Hyundai Elantra Best: gas	31 mpg	31 mpg	$2,150
Kia Forte Best: gas	30 mpg	30 mpg	$2,250

2015 Prius recalls and complaints

NHTSA lists 2 safety recalls and 170 owner complaints for the 2015 Prius.

Owners most often describe brake failure (22 complaints, 13%). NHTSA's overall crash rating: 4 stars for the version it has rated.

See the 2015 Prius recalls and problems

Questions

Does the 2015 Toyota Prius need premium gas?

No. EPA lists every 2015 Toyota Prius version on regular gasoline.

How does the 2015 Prius's MPG compare with the 2014?

For 2015, the best hybrid version is rated 48 mpg, the same as the year before.

Sources and method

US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 29, 2026.
EPA fuel price assumptions: regular $4.47, midgrade $5.07, premium $5.48, diesel $6.38 a gallon; electricity $0.15 per kWh.
Recall and complaint counts: NHTSA recall file dated Oct 2, 2026 and complaint file dated Oct 2, 2026.

Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.