2021 Chevrolet Tahoe Engine Problems
Owners have filed 168 complaints with NHTSA about engine problems on the 2021 Chevrolet Tahoe, 37% of all complaints for this model year. Half of the reports with a mileage happened before 41,500 miles. The words owners use most often: “traction control” (8% of reports).
- 168engine complaints
- 41,500median miles at failure
- 2mention a crash
- 0mention an injury
- 1related recalls
- $8,900typical repair cost reported by owners
- 41%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Traction control: mentioned in 13 of 168 complaints (8%)
- Engine failed: mentioned in 10 of 168 complaints (6%)
- Tow truck: mentioned in 9 of 168 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine repair on the 2021 Chevrolet Tahoe at $8,900, and half of them between $6,000 and $10,750.
Based on 7 NHTSA complaints about this problem alone that state a repair bill or quote (2022–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine problems happen?
Based on 26 complaints that reported the odometer reading.
How serious are the reports?
Of 168 complaints, 2 mention a crash, 1 a fire.
Chevrolet Tahoe engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Tahoe | 18 | 67% | 3,783 |
| 2025 Tahoe | 29 | 59% | — |
| 2024 Tahoe | 24 | 35% | 17,744 |
| 2023 Tahoe | 124 | 54% | 31,000 |
| 2022 Tahoe | 73 | 38% | 66,523 |
| 2021 Tahoe | 168 | 37% | 41,500 |
| 2020 Tahoe | 14 | 25% | 350 |
| 2019 Tahoe | 31 | 29% | 22,450 |
| 2018 Tahoe | 20 | 19% | 41,500 |
| 2017 Tahoe | 26 | 15% | 58,719 |
| 2016 Tahoe | 19 | 7% | 27,000 |
| 2015 Tahoe | 46 | 7% | 72,500 |
| 2014 Tahoe | 2 | 2% | 300 |
| 2013 Tahoe | 13 | 6% | 99,500 |
| 2012 Tahoe | 9 | 5% | 81,000 |
| 2011 Tahoe | 11 | 2% | 74,242 |
| 2010 Tahoe | 11 | 4% | 93,000 |
| 2009 Tahoe | 14 | 5% | 80,500 |
| 2008 Tahoe | 27 | 5% | 89,600 |
| 2007 Tahoe | 58 | 5% | 128,500 |
| 2006 Tahoe | 2 | 2% | 125,000 |
| 2005 Tahoe | 13 | 4% | 120,995 |
| 2004 Tahoe | 26 | 6% | 115,000 |
| 2003 Tahoe | 9 | 2% | 172,247 |
| 2002 Tahoe | 7 | 2% | 158,000 |
| 2001 Tahoe | 3 | 1% | 150,000 |
| 2000 Tahoe | 3 | 1% | 80,000 |
| 1999 Tahoe | 1 | 0% | 116,000 |
| 1998 Tahoe | 1 | 0% | 240,000 |
| 1997 Tahoe | 1 | 0% | — |
When owners reported it
Related recalls (1)
Engine and engine cooling:engine:hard parts internal/mechanical
Problem: 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 to engine damage and engine failure.
Risk: Engine failure increases the risk of a crash.
Fix: 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 owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The vehicle suffered complete internal engine failure due to a snapped timing chain on startup. The vehicle turned over via the starter motor but failed to start. A professional diagnosis confirmed the broken timing chain caused extensive valve-to-piston damage, requiring a full engine replacement…
On [XXX], while driving near Mammoth Mountain, California (Highway [XXX]), the vehicle suffered a sudden, severe engine malfunction. The engine began misfiring violently, accompanied by a loud, mechanical clacking noise, and experienced an immediate loss of propulsion power. This mechanical failure…
2021 Chevrolet Tahoe â Unexpected Shutdown/Restart While Stopped On two separate occasions, my 2021 Chevrolet Tahoe has unexpectedly appeared to shut down while I was stopped with my foot on the brake. The vehicle is equipped with Auto Stop/Start, and initially the event seems like a normal Auto…
Frequently asked questions
Do all 2021 Chevrolet Tahoes have engine problems?
No. NHTSA has 168 owner complaints about engine for the 2021 Chevrolet Tahoe (37% of the 456 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2021 Chevrolet Tahoe engine?
Yes: 1 safety recall list engine. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do engine problems start?
The median reported mileage is 41,500 miles: half of the reports with a mileage came before that.
How much does it cost to fix engine problems on the 2021 Chevrolet Tahoe?
Owners report a typical cost of $8,900 (half paid between $6,000 and $10,750), from 7 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine problems on the 2021 Chevrolet Tahoe?
The most frequent phrase is “traction control”, in 13 of 168 complaints, followed by “engine failed” (10).
Other 2021 Chevrolet Tahoe problems
See all 2021 Chevrolet Tahoe problems or engine problems across all Tahoe years.