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2015 Chevrolet Suburban 1500 LTZ (K2YC)
Shown: 2015 Chevrolet Suburban 1500 LTZ (K2YC). Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2020
  • Gas
  • Standard SUVs

2015-2020 Chevrolet Suburban MPG & Fuel Cost

6 model years · 16–19 MPG combined

18 MPG
Combined
15 MPG
City
22 MPG
Highway
Annual fuel cost · C1500 5.3L 8-cyl RWD
$3,710

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 6 of 10 standard SUV configurations, MY2020. Ranked against all rated configurations, not sales-weighted.

2015-2020 Chevrolet Suburban at a glance

The 2015-2020 Chevrolet Suburban covers 6 model years in the EPA database (28 configurations in all), rated 16–19 MPG combined. The newest model year, 2020, costs about $3,710 a year to fuel for its most efficient version, the C1500 5.3L 8-cyl RWD (18 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2016, 2017, 2018, 2019 and 2020. The best combined rating in the generation, 19 MPG, was reached in 2016, 2017 and 2018.

2015-2020 Chevrolet Suburban by model year

2015-2020 Chevrolet Suburban: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2020 Gas 16–18 MPG $3,710–$5,040 Ratings changed
2019 Gas 16–18 MPG $3,710–$5,000 Ratings changed
2018 Gas 18–19 MPG $3,410–$3,700 Ratings changed
2017 Gas 18–19 MPG $3,510–$3,690 Ratings changed
2016 Gas 18–19 MPG $3,530–$3,670 Ratings changed
2015 Gas 18 MPG $3,530–$3,690 First year

What the 2020 C1500 5.3L 8-cyl RWD costs to drive

Per month

$309

$3,710 a year ÷ 12

Per 25 miles

$6.18

Per 100 miles

$24.73

Five years

$18,550

5 × the yearly cost, prices held at today's level

vs the standard SUV median

$170less a year

Class median $3,880 a year, MY2020

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2020 Chevrolet Suburban MPG

Versus 2019: The most efficient configuration stays at 18 MPG. Its annual cost stays at $3,710.

Gas · 5.3L, 6.2L
Combined
16–18 MPG
Per year
$3,710–$5,040

Gas configurations (6)

2020 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 15 22 18 $3,710
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 15 22 18 $3,710
C1500 6.2L 8-cyl 6.2L 8-cyl RWD 14 23 17 $4,680
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 14 21 16 $3,990
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 14 21 16 $4,020
K1500 6.2L 8-cyl 6.2L 8-cyl 4WD 14 20 16 $5,040

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2019 Chevrolet Suburban MPG

16–18 MPG · $3,710–$5,000/yr

Versus 2018: The most efficient configuration moves from 19 to 18 MPG, down 1. Its annual cost goes from $3,410 to $3,710, $300 more.

Gas · 5.3L, 6.2L
Combined
16–18 MPG
Per year
$3,710–$5,000

Gas configurations (6)

2019 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 15 22 18 $3,710
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 15 22 18 $3,710
C1500 6.2L 8-cyl 6.2L 8-cyl RWD 14 23 17 $4,680
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 14 21 16 $3,980
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 14 21 16 $3,980
K1500 6.2L 8-cyl 6.2L 8-cyl 4WD 14 20 16 $5,000

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2018 Chevrolet Suburban MPG

18–19 MPG · $3,410–$3,700/yr

Versus 2017: The most efficient configuration stays at 19 MPG. Its annual cost goes from $3,510 to $3,410, $100 less.

Gas · 5.3L
Combined
18–19 MPG
Per year
$3,410–$3,700

Gas configurations (4)

2018 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 16 23 19 $3,410
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 16 23 19 $3,500
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,700
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,700

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2017 Chevrolet Suburban MPG

18–19 MPG · $3,510–$3,690/yr

Versus 2016: The most efficient configuration stays at 19 MPG. Its annual cost goes from $3,530 to $3,510, $20 less.

Gas · 5.3L
Combined
18–19 MPG
Per year
$3,510–$3,690

Gas configurations (4)

2017 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 16 23 19 $3,510
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 16 23 19 $3,510
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,690
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,690

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2016 Chevrolet Suburban MPG

18–19 MPG · $3,530–$3,670/yr

Versus 2015: The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost stays at $3,530.

Gas · 5.3L
Combined
18–19 MPG
Per year
$3,530–$3,670

Gas configurations (4)

2016 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 16 23 19 $3,530
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 16 23 18 $3,600
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,670
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,670

Flex-fuel (E85) configurations are costed on gasoline, not E85.

2015 Chevrolet Suburban MPG

18 MPG · $3,530–$3,690/yr
Gas · 5.3L
Combined
18 MPG
Per year
$3,530–$3,690

Gas configurations (4)

2015 Chevrolet Suburban gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
C1500 5.3L 8-cyl RWD Automatic 6-spd (Most efficient) 5.3L 8-cyl RWD 16 23 18 $3,530
C1500 5.3L 8-cyl RWD Automatic 6-spd 5.3L 8-cyl RWD 16 23 18 $3,530
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,690
K1500 5.3L 8-cyl 4WD Automatic 6-spd 5.3L 8-cyl 4WD 15 22 18 $3,690

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Fuel cost by state

Yearly cost of the C1500 5.3L 8-cyl RWD: $5,050 in California and $3,240 in Texas, a $1,810 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2020 standard SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2015-2020 Chevrolet Suburban get?

EPA rates the 2015-2020 Chevrolet Suburban at 16–19 MPG combined across 28 configurations and 6 model years. The most efficient version, the 2018 C1500 5.3L 8-cyl RWD, is rated 19 MPG (16 city, 23 highway).

Which years had the best MPG in the 2015-2020 Chevrolet Suburban?

The C1500 5.3L 8-cyl RWD reached the generation's best combined rating, 19 MPG, in 2016, 2017 and 2018. The lowest top rating, 18 MPG, was in 2015, 2019 and 2020.

Did EPA ratings change during the 2015-2020 Chevrolet Suburban?

Yes. Ratings changed in 2016, 2017, 2018, 2019 and 2020.

How does the 2015-2020 Chevrolet Suburban compare with the previous generation?

The previous generation (2007-2014 Chevrolet Suburban) is rated 12–17 MPG combined and costs $3,810–$5,350 a year to fuel; the 2015-2020 model is rated 16–19 MPG and costs $3,410–$5,040 a year.

How much does it cost to fuel a 2020 Chevrolet Suburban per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the C1500 5.3L 8-cyl RWD costs about $3,710 a year. Across all 6 configurations the cost runs $3,710–$5,040 a year. That is a $1,330 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2020 Chevrolet Suburban 100 miles?

About $24.73 per 100 miles for the C1500 5.3L 8-cyl RWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $24.73 and $33.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2020 Chevrolet Suburban more efficient in the city or on the highway?

The C1500 5.3L 8-cyl RWD is rated 15 city and 22 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2020 Chevrolet Suburban compare with other standard SUV configurations?

The C1500 5.3L 8-cyl RWD costs about $3,710 a year to fuel, $170 less than the class median of $3,880, and less than 6 of 10 standard SUV configurations. The comparison covers all 158 rated standard SUV configurations for MY2020, not weighted by sales.

Is the 2020 Chevrolet Suburban different from the 2019 model?

The most efficient configuration stays at 18 MPG. Its annual cost stays at $3,710. EPA lists 6 configurations for 2020 against 6 configurations for 2019. See the 2019 Chevrolet Suburban for that year.