2021 Chevrolet

Tahoe 2WD

Auto 10-spd, 6 cyl, 3.0 L, Diesel, Turbo

Chevrolet Tahoe: best and worst years

Overview

Body: Standard Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/11/2026
Drivetrain: Rear-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission: Automatic 10-spdEPA, from EPA, last updated 6/11/2026
Powertrain: DieselEPA, from EPA, last updated 6/11/2026
Fuel: DieselEPA, from EPA, last updated 6/11/2026

Engine & performance

HP: 277
Power to weight: 0.052 hp/lb
Axle ratio: 3.23
Cyl: 6EPA, from EPA, last updated 6/11/2026
Aspiration: TurbochargedEPA, from EPA, last updated 6/11/2026
Start-stop system: YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy: 28 mpgEPA, from EPA, last updated 6/11/2026
MPG City: 21 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb: 24 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr: $3,250EPA, from EPA, last updated 6/11/2026
CO₂: 421 g/miEPA, from EPA, last updated 6/11/2026
Eco Score: 4/10EPA, from EPA, last updated 6/11/2026
Smog score: 3/10
Elec. Range: 0 miEPA, from EPA, last updated 6/11/2026
SmartWay certified: No

Dimensions & capacity

Length: 211 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width: 81 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height: 76 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase: 121 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight: 5,355 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Safety NHTSA, model year

Overall crash rating: ★★★★★
Rollover rating: ★★★★★
Stability control (ESC): Standard
Forward-collision warning: Standard
Lane-departure warning: Optional
Recalls: 16
Owner complaints: 408
Reported injuries: 9

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

ENGINE25%
FUEL/PROPULSION SYSTEM15%
POWER TRAIN13%
ELECTRICAL SYSTEM10%
UNKNOWN OR OTHER6%
FUEL SYSTEM, GASOLINE4%

Source: NHTSA owner complaints, 578 total.

Chevrolet Tahoe: best and worst years

Federal investigations NHTSA defect investigations, model year

RQ26001Openopened Jan 16, 2026ENGINE
Loss of motive power due to engine failure post recall remedy
EA25007Openopened Oct 23, 2025ENGINE
Loss of motive power due to engine failure
PE25001opened Jan 16, 2025ENGINE
Loss of motive power due to engine failure
PE21010opened Apr 9, 2021AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT
Air Bag Malfunction

Warranty manufacturer terms, by make

Basic: 3 yr / 36k mi
Powertrain: 5 yr / 60k mi
Roadside assistance: 5 yr / 60k mi
Maintenance: 1 yr / 12k mi
EV battery: 8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.