2020 Chevrolet Blazer MPG and Fuel Cost

The 2020 Chevrolet Blazer is rated 21 to 24 mpg combined across 5 EPA-tested gas versions; the best is the 2.0L turbo 4-cyl · FWD · 9-speed automatic.

EPA fuel economy

2020 Chevrolet Blazer · 5 EPA-tested versions

Best EPA rating

24MPG combined

21 city 28 highway

$2,600 a year to fuel

Fuel economy score5/10

2.0L turbo 4-cyl · FWD · 9-speed automatic

Best version costs $2,000 more in fuel over 5 years vs the average new vehicle (EPA)

Fuel cost: 15,000 miles a year at EPA's $4.00 a gallon (regular gas).

Data: US EPA, fueleconomy.govUpdated Nov 12, 2026

At EPA's price assumptions, fuel costs $2,600 to $2,950 a year. Ratings for the best versions are unchanged from 2019.

Every 2020 Blazer 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.

Version	Combined	City / Hwy	Fuel / year
2.0L turbo 4-cyl · FWD · 9-speed automatic Best EPA listing: Blazer FWD	24 mpg	21 / 28	$2,600
2.0L turbo 4-cyl · AWD · 9-speed automatic EPA listing: Blazer AWD	23 mpg	21 / 27	$2,700
2.5L 4-cyl · FWD · 9-speed automatic EPA listing: Blazer FWD	23 mpg	21 / 27	$2,700
3.6L 6-cyl · AWD · 9-speed automatic EPA listing: Blazer AWD	21 mpg	18 / 25	$2,950
3.6L 6-cyl · FWD · 9-speed automatic EPA listing: Blazer FWD	21 mpg	19 / 26	$2,950

Fuel cost at your prices

EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.00 a gallon for regular gas. Change the numbers to match your driving.

Version	Per year	Per month	5 years
2.0L turbo 4-cyl · FWD · 9-speed automatic	$2,500	$208	$12,500
2.0L turbo 4-cyl · AWD · 9-speed automatic	$2,609	$217	$13,043
2.5L 4-cyl · FWD · 9-speed automatic	$2,609	$217	$13,043
3.6L 6-cyl · AWD · 9-speed automatic	$2,857	$238	$14,286
3.6L 6-cyl · FWD · 9-speed automatic	$2,857	$238	$14,286

At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.

Chevrolet Blazer MPG by model year

The best-rated version in each model year; the highlighted year is this page. Gas: 24 to 25 mpg (every year from 2019 to 2026); 25 since 2021.

2020: gas 24 mpg

Show as a table

Chevrolet Blazer best combined mpg by model year
Model year	Best gas version
2019	24
2020	24
2021	25
2022	25
2023	25
2024	25
2025	25
2026	25

Every Blazer year's ratings in one table

How the 2020 Blazer compares

2020 midsize SUVs 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.

2020 model	Best combined	Best gas	Fuel / year
Toyota Highlander Best: hybrid	36 mpg	24 mpg	$1,750
Lexus RX Best: hybrid	30 mpg	23 mpg	$2,600
Ford Explorer Best: hybrid	28 mpg	24 mpg	$2,200
Hyundai Santa Fe Best: gas	25 mpg	25 mpg	$2,500
Kia Sorento Best: gas	25 mpg	25 mpg	$2,500
Ford Edge Best: gas	24 mpg	24 mpg	$2,600
Chevrolet Blazer This page Best: gas	24 mpg	24 mpg	$2,600
Mazda CX-9 Best: gas	24 mpg	24 mpg	$2,600
GMC Acadia Best: gas	24 mpg	24 mpg	$2,600
Kia Telluride Best: gas	23 mpg	23 mpg	$2,700
Honda Pilot Best: gas	23 mpg	23 mpg	$2,700
Nissan Pathfinder Best: gas	23 mpg	23 mpg	$2,700
Subaru Ascent Best: gas	23 mpg	23 mpg	$2,700
Nissan Murano Best: gas	23 mpg	23 mpg	$2,700
Hyundai Palisade Best: gas	22 mpg	22 mpg	$2,850
Honda Passport Best: gas	22 mpg	22 mpg	$2,850
Volkswagen Atlas Best: gas	22 mpg	22 mpg	$2,850
Jeep Grand Cherokee Best: gas	21 mpg	21 mpg	$2,950
Chevrolet Traverse Best: gas	21 mpg	21 mpg	$2,950
Dodge Durango Best: gas	21 mpg	21 mpg	$2,950
Buick Enclave Best: gas	21 mpg	21 mpg	$2,950

2020 Blazer recalls and complaints

NHTSA lists 3 safety recalls and 224 owner complaints for the 2020 Blazer.

Owners most often describe shifter errors (50 complaints, 22%), then the check engine light (37). NHTSA's overall crash rating: 5 stars.

See the 2020 Blazer recalls and problems

Questions

Does AWD lower the 2020 Chevrolet Blazer's gas mileage?

Sometimes. On versions that differ only in drive, the gap ranges from 0 to 1 mpg combined: the 2.0L turbo 4-cyl gets 24 mpg combined with front-wheel drive and 23 with AWD.

Does the 2020 Chevrolet Blazer need premium gas?

No. EPA lists every 2020 Chevrolet Blazer version on regular gasoline.

How does the 2020 Blazer's MPG compare with the 2019?

For 2020, the best gas version is rated 24 mpg, the same as the year before.

Sources and method

US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Nov 4, 2026.
EPA fuel price assumptions: regular $4.00, midgrade $4.61, premium $5.01, diesel $6.13 a gallon; electricity $0.15 per kWh.
Recall and complaint counts: NHTSA recall file dated Nov 12, 2026 and complaint file dated Nov 11, 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.