Skip to content
GizmoDriver

2021 Chevrolet Suburban mpg

Combined mpg, Commercial 2WD

18mpg

Pick another car

12,000 miles a year. Gas $3.20.

10152025303540Median 23Suburban: 18 mpg
137 SUVs (2021), one trim per model: the cheapest with a rating. Median 23 mpg.
2021 Chevrolet Suburban mpg by trim
TrimEngineDriveCity mpgHwy mpgCombinedTank, galMiles per tankCost a year
Commercial 2WD5.3L 8cyl2WD16201828.0504$2,133
LS 2WD5.3L 8cyl2WD16201828.0504$2,133
LT RWD5.3LRWD16201828.0504$2,133
RST RWD5.3LRWD16201828.0504$2,133
Premier RWD5.3LRWD16201828.0504$2,133
LS 4WD5.3L4WD15191728.0476$2,259
LT 4WD5.3L 8cyl4WD15191728.0476$2,259
Z71 4WD5.3L 8cyl4WD15191728.0476$2,259
RST 4WD5.3L 8cyl4WD15191728.0476$2,259
Premier 4WD5.3L 8cyl4WD15191728.0476$2,259
High Country RWD6.2LRWD15201728.0476$2,259
High Country 4WD6.2L 8cyl4WD14191628.0448$2,400

Fuel cost

Commercial 2WD, 18 mpg combined.

Per year
$2,133
Per month
$178
Per mile
17.8 cents
Fill the tank
$89.60
  • Top trim: High Country 4WD. $2,400 a year. $267 more than the Commercial 2WD.

Trip cost

Commercial 2WD: 20 mpg highway
TripGallonsCost
100 miles5.0$16.00
300 miles15.0$48.00
500 miles25.0$80.00
1,000 miles50.0$160

Commute cost

Per month
$154
Per year
$1,849
Miles a month
867

Commercial 2WD. 20 miles each way, 5 days a week.

Is 18 mpg good? No. Beats 11% of 2026 cars.

MPG by year

161718192009201220152018202120242026
Suburban: combined mpg of the cheapest rated trim, 2009 to 2026.

Suburban by year: price, hp, mpg, size

Rivals

2021 Chevrolet Suburban and rivals
CarCheapest trimCombined mpgCompare
2021 Chevrolet SuburbanCommercial 2WD18 mpg
2021 Chevrolet TahoeCommercial 2WD18 mpgCompare
2021 GMC YukonSLE RWD18 mpgCompare
2021 Ford ExpeditionXL 4x219 mpgCompare
2021 Jeep Wrangler 4xeUnlimited Sahara 4x420 mpg
2021 Lincoln AviatorLivery RWD21 mpg
2021 BMW X4xDrive30i AWD25 mpg

What this cannot tell you

EPA ratings. Your own mpg will differ.

Gas prices change by state and by week.

How values are checked