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2020 Chevrolet Sonic Specs: MPG, Gas Mileage, Engine Size & Dimensions

2015–2020 model years46 variantsUp to 32 MPG combined
Real-World MPG QuestionsBed Dimensions & Cargo SpaceService Intervals

2020 Chevrolet Sonic Specs at a Glance

The 2020 Chevrolet Sonic gets 29 mpg combined on the 1.4L Front-Wheel Drive configuration, weighs 2,848 lbs, measures 174 in long. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.

Combined MPG
29 mpg (26 city / 34 hwy)
Best configuration: 1.4L · Front-Wheel Drive · Automatic (S6)
Engine
1.4L 4-cyl
1.4L · Front-Wheel Drive · Automatic (S6)
Curb weight
2,848 lbs
Heaviest recorded configuration: SONIC 4DR SEDAN
Length
174 in · 68.5 in wide · 59.8 in tall
Wheelbase
99.2 in
NHTSA overall
5-star (2017)

2020 Chevrolet Sonic trims and MPG

TrimEngineTransDriveCityHwyCombined
Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429
Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429

Detailed Specifications

MPG & Fuel Economy

MPG for every year and trim

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Engine Specifications

Engine Specs for every year and trim

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Annual Fuel Cost

Fuel Cost for every year and trim

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Transmission Specifications

Transmission for every year and trim

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Drivetrain & Drive Type

Drivetrain for every year and trim

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Vehicle Class & EPA Size Category

Vehicle Class for every year and trim

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Maintenance Schedule & Service Intervals

Maintenance for every year and trim

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Dimensions & Size

Dimensions for every year and trim

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Curb Weight

Curb Weight for every year and trim

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NHTSA Safety Ratings

Safety for every year and trim

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Chevrolet Sonic — All Years Overview

YearTrimEngineTransDriveCityHwyCombinedFuel
2020Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429Regular Gasoline
2020Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429Regular Gasoline
2019Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429Regular Gasoline
2019Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive263429Regular Gasoline
2019Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive263529Regular Gasoline
2019Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive273831Regular Gasoline
2018Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273530Regular Gasoline
2018Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273530Regular Gasoline
2018Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive253428Regular Gasoline
2018Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive253428Regular Gasoline
2018Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263529Regular Gasoline
2018Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263529Regular Gasoline
2018Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283732Regular Gasoline
2018Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283732Regular Gasoline
2017Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2017Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2017Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2017Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2017Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive253328Regular Gasoline
2017Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive253328Regular Gasoline
2017Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2017Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2016Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2016Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2016Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2016Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2016Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2016Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2016Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263429Regular Gasoline
2016Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263429Regular Gasoline
2016Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive263329Regular Gasoline
2016Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive263329Regular Gasoline
2016Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2016Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2015Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2015Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2015Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive273630Regular Gasoline
2015Auto (S6), 4 cyl, 1.4 L4 · 1.4LAutomatic (S6)Front-Wheel Drive253328Regular Gasoline
2015Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2015Auto (S6), 4 cyl, 1.8 L4 · 1.8LAutomatic (S6)Front-Wheel Drive243428Regular Gasoline
2015Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263429Regular Gasoline
2015Man 5-spd, 4 cyl, 1.8 L4 · 1.8LManual 5-spdFront-Wheel Drive263429Regular Gasoline
2015Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2015Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive283832Regular Gasoline
2015Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive263329Regular Gasoline
2015Man 6-spd, 4 cyl, 1.4 L4 · 1.4LManual 6-spdFront-Wheel Drive263329Regular Gasoline

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Chevrolet Sonic — Frequently Asked Questions

What is the fuel economy of the 2020 Chevrolet Sonic?

The Chevrolet Sonic is EPA-rated at up to 32 MPG combined (28 city / 37 highway), a historical peak recorded on the 2018 model year.

What engine does the 2020 Chevrolet Sonic have?

The Chevrolet Sonic uses a 1.4L 4-cylinder engine paired with an Automatic transmission.

What years of the Chevrolet Sonic are covered here?

This page documents 46 verified Chevrolet Sonic configurations across model years 2015–2020.

Which model year of the Chevrolet Sonic is the most fuel efficient?

The 2018 Chevrolet Sonic holds the highest combined rating at 32 MPG; the 2020 sits lowest at 29 MPG, a difference of 3 MPG (about 10%) across the 6 rated years on file.

How many engine options does the Chevrolet Sonic have?

The records list 2 distinct displacements for the Chevrolet Sonic — 1.4L, 1.8L — which is why combined MPG varies between trims of the same year.

Is the 2020 Chevrolet Sonic front-wheel drive or all-wheel drive?

Every Chevrolet Sonic configuration on record here is Front-Wheel Drive; no alternative drivetrain appears in the 2015–2020 data.

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