2021 Chevrolet Silverado 1500 Engine Problems

Source: NHTSA · Updated Oct 12, 2026 · 386 complaints analyzed

Owners have filed 386 complaints with NHTSA about engine problems on the 2021 Chevrolet Silverado 1500, 46% of all complaints for this model year. Half of the reports with a mileage happened before 56,400 miles. The words owners use most often: “engine failed” (5% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Engine failed: mentioned in 21 of 386 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 Silverado 1500 at $9,150, and half of them between $4,500 and $11,250.

Based on 16 NHTSA complaints about this problem alone that state a repair bill or quote (2023–2026), 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 57 complaints that reported the odometer reading.

Under 10k miles12 · 21%
10k–25k miles6 · 11%
25k–50k miles7 · 12%
50k–75k miles10 · 18%
75k–100k miles13 · 23%
100k–150k miles7 · 12%
150k+ miles2 · 4%

How serious are the reports?

Of 386 complaints, 3 mention a crash, 3 a fire.

Chevrolet Silverado 1500 engine complaints by model year

Peak: 2021, with 386 complaints
1997: 119971998: 11999: 62000: 1020002001: 112002: 82003: 1520032004: 182005: 182006: 720062007: 482008: 442009: 3620092010: 332011: 402012: 2520122013: 332014: 1912015: 13220152016: 722017: 1142018: 10320182019: 3732020: 2492021: 38620213862022: 2542023: 1512024: 14820242025: 552026: 67

n = 2,649 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2026 Silverado 15006759%4,000
2025 Silverado 15005552%8,476
2024 Silverado 150014847%10,258
2023 Silverado 150015139%40,000
2022 Silverado 150025439%42,000
2021 Silverado 150038646%56,400
2020 Silverado 150024934%41,000
2019 Silverado 150037334%64,000
2018 Silverado 150010320%51,145
2017 Silverado 150011416%56,306
2016 Silverado 1500729%49,235
2015 Silverado 150013212%60,000
2014 Silverado 150019113%59,000
2013 Silverado 15003311%79,000
2012 Silverado 15002512%93,353
2011 Silverado 1500407%116,000
2010 Silverado 1500339%84,000
2009 Silverado 1500368%90,000
2008 Silverado 1500445%115,000
2007 Silverado 1500486%97,500
2006 Silverado 150072%117,000
2005 Silverado 1500183%120,000
2004 Silverado 1500182%130,000
2003 Silverado 1500152%129,000
2002 Silverado 150082%118,421
2001 Silverado 1500112%120,707
2000 Silverado 1500102%99,500
1999 Silverado 150061%142,000
1998 Silverado 150010%230,000
1997 Silverado 150010%164,000

When owners reported it

Peak: 2025, with 169 complaints
2020: 1202012021: 222021222022: 292022292023: 202023202024: 222024222025: 16920251692026: 1232026123

n = 386 complaints · Source: NHTSA

Related recalls (1)

Engine and engine cooling:engine:hard parts internal/mechanicalApr 24, 2025 · NHTSA campaign 25V274000 · 597,571 vehicles

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.

On my way home to [XXX] from [XXX] around XXX, my 2021 Chevy Silverado with 84,xxx miles with the 6.2 L engine started to make a popping sound. I checked my dash for any error codes and there were none. The oil pressure, temp, and transmission temp gauges all read normal. I stopped and topped the…

Received Oct 12, 2026 · NHTSA complaint 11770577

2021 Chevrolet Silverado 1500 with the 6.2L V8 (RPO L87), built November 2020. Mileage at failure: 11268. On XXX the check engine light came on with DTCs P0011 and P0016. The engine developed a rattle at startup and when lifting off the throttle around 40 mph. On XXX Fowler Chevrolet ([XXX])…

Received Oct 8, 2026 · NHTSA complaint 11769970

I was traveling on a 55mph road. My Chevy Silverado started to shake and lose propulsion. I pulled off on the side of the road. In idle it shook. The dealership was one mile to my south. I turned on the hazard lights and went to the dealership. I could only get the vehicle to 45mph as in shook very…

Received Oct 6, 2026 · NHTSA complaint 11769475

Frequently asked questions

Do all 2021 Chevrolet Silverado 1500s have engine problems?

No. NHTSA has 386 owner complaints about engine for the 2021 Chevrolet Silverado 1500 (46% of the 842 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 Silverado 1500 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 56,400 miles: half of the reports with a mileage came before that.

How much does it cost to fix engine problems on the 2021 Chevrolet Silverado 1500?

Owners report a typical cost of $9,150 (half paid between $4,500 and $11,250), from 16 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about engine problems on the 2021 Chevrolet Silverado 1500?

The most frequent phrase is “engine failed”, in 21 of 386 complaints.

Other 2021 Chevrolet Silverado 1500 problems

See all 2021 Chevrolet Silverado 1500 problems or engine problems across all Silverado 1500 years.