Chevrolet · model year 2021
2021 Chevrolet Suburban
Specifications and certified data for the 2021 model year. All Chevrolet Suburban model years →
2021 US EPA fuel-economy records
| Year | Engine | Drive | Transmission | Fuel | MPG (US) comb. | CO₂ g/mi | EV range mi | Source |
|---|---|---|---|---|---|---|---|---|
| 2021 | 3.0 L 6-cyl | Rear-Wheel Drive | Automatic 10-spd | Diesel | 23 | 437 | — | EPA ↗ |
| 2021 | 3.0 L 6-cyl | 4-Wheel Drive | Automatic 10-spd | Diesel | 22 | 444 | — | EPA ↗ |
| 2021 | 5.3 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Regular | 18 | 492 | — | EPA ↗ |
| 2021 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 17 | 515 | — | EPA ↗ |
| 2021 | 5.3 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Regular | 17 | 523 | — | EPA ↗ |
| 2021 | 5.3 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Regular | 16 | 555 | — | EPA ↗ |
| 2021 | 6.2 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Premium | 17 | 525 | — | EPA ↗ |
| 2021 | 6.2 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Premium | 16 | 558 | — | EPA ↗ |
| 2021 | 6.2 L 8-cyl | Rear-Wheel Drive | Automatic 10-spd | Premium | 16 | 544 | — | EPA ↗ |
| 2021 | 6.2 L 8-cyl | 4-Wheel Drive | Automatic 10-spd | Premium | 16 | 570 | — | EPA ↗ |
US EPA test figures (US MPG, US test cycle), fueleconomy.gov ↗, US government public domain.
US NHTSA safety ratings
| Vehicle | Overall | Front | Side | Rollover | Source |
|---|---|---|---|---|---|
| 2021 Chevrolet Suburban SUV 2WD | ★★★★☆ (4/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★☆☆ (3/5) | NHTSA ↗ |
| 2021 Chevrolet Suburban SUV 4WD | ★★★★☆ (4/5) | ★★★★☆ (4/5) | ★★★★★ (5/5) | ★★★☆☆ (3/5) | NHTSA ↗ |
NHTSA 5-Star Safety Ratings (US government, public domain). US-market versions; not the same tests as Euro NCAP.
US safety recalls
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25V274000 2025-04-24 · model years 2021, 2022, 2023, 2024
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead…
Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the…
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24V797000 2024-10-24 · model years 2021
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to…
Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a…
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22V827000 2022-11-03 · model years 2021
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE
General Motors, LLC (GM) is recalling certain 2021 Yukon, Yukon XL, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, and Cadillac Escalade ESV vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor…
Remedy: Dealers will provide an over-the-air (OTA) update for the Body Control Module software, free of charge. Owner notification letters were mailed December 15, 2022. Owners may contact GM customer service at 1-888-988-7267,…
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22V617000 2022-08-11 · model years 2021, 2022
SEAT BELTS:CRITICAL FASTENERS
General Motors, LLC (M) is recalling certain 2021-2022 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles equipped with third-row seats. The rivet that retains the buckle to the mounting bracket in the left or right side third-row seat belt buckle assembly may have been…
Remedy: Dealers will inspect the rivet head formation on both the left and right side third-row seat belt buckle assemblies and replace seat belt buckle assemblies, as necessary, free of charge. Interim owner notification…
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22V036000 2022-01-27 · model years 2021
POWER TRAIN:DRIVELINE:DRIVESHAFT
General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon XL, Cadillac Escalade, Escalade ESV, Chevrolet Suburban, and Chevrolet Tahoe vehicles. The rear wheel driveshaft assemblies may have internal components that were not heat-treated properly, possibly resulting in driveshaft failure.
Remedy: Dealers will replace the left and/or right rear driveshaft assemblies, free of charge. Owner notification letters were mailed on March 14, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac…
NHTSA recalls database (US government, public domain). Recalls apply to US-market vehicles; check the manufacturer for your country.
Generation in 2021
Sources
- US EPA / DOE FuelEconomy.gov — https://www.fueleconomy.gov/feg/ws/index.shtmlUS Government public domain
- NHTSA 5-Star Safety Ratings API — https://api.nhtsa.gov/SafetyRatingsUS Government public domain
- NHTSA recalls database — https://www.nhtsa.gov/recallsUS Government public domain
- Car Model Index — https://models.autoculturesociety.com/Compiled record. Sources that do not permit reuse are not copied; this index is credited instead.