2021 Chevrolet Suburban MPG
EPA-rated · verified snapshot 2026-08-30 · Standard Sport Utility Vehicle 2WD
The 2021 Chevrolet Suburban gets 23 MPG combined — 21 city and 27 highway — in its most efficient configuration (3.0L · 6-cyl · Automatic 10-spd · Rear-Wheel Drive · Diesel).
City21 MPG
Highway27 MPG
$3,450Fuel cost / yr (EPA est.)
437 g/miCO₂
DieselFuel
$-6,2505-yr fuel cost vs. average vehicle
5 / 10EPA Fuel Economy & GHG score
Where it sits among suvs (2021)
Every 2021 Suburban trim
| Configuration | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|
| 3.0L · 6-cyl · Automatic 10-spd · Rear-Wheel Drive · Diesel | 21 | 27 | 23 | $3,450 |
| 3.0L · 6-cyl · Automatic 10-spd · 4-Wheel Drive · Diesel | 20 | 26 | 22 | $3,600 |
| 5.3L · 8-cyl · Automatic 10-spd · Rear-Wheel Drive | 16 | 20 | 18 | $3,400 |
| 5.3L · 8-cyl · Automatic 10-spd · Rear-Wheel Drive | 15 | 20 | 17 | $3,600 |
| 6.2L · 8-cyl · Automatic 10-spd · Rear-Wheel Drive | 15 | 20 | 17 | $4,450 |
| 5.3L · 8-cyl · Automatic 10-spd · 4-Wheel Drive | 15 | 19 | 17 | $3,600 |
| 6.2L · 8-cyl · Automatic 10-spd · Rear-Wheel Drive | 14 | 20 | 16 | $4,750 |
| 6.2L · 8-cyl · Automatic 10-spd · 4-Wheel Drive | 13 | 19 | 16 | $4,750 |
| 5.3L · 8-cyl · Automatic 10-spd · 4-Wheel Drive | 15 | 19 | 16 | $3,850 |
| 6.2L · 8-cyl · Automatic 10-spd · 4-Wheel Drive | 14 | 19 | 16 | $4,750 |
FAQ
Does the 2021 Suburban get good gas mileage for its class?
The 2021 Suburban's 23 MPG combined is above the suvs average of 20.8 MPG for 2021.
How much does it cost to fuel a 2021 Suburban per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $3,450 for the most efficient trim.
What is the city and highway MPG of the 2021 Suburban?
The most efficient trim is rated 21 MPG city and 27 MPG highway.