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#BS-2021-CADCT4-63C1

2021 Cadillac Ct4

Based on reports from 8 owners and 4 recalls for this exact model.

Complaints

Crashes

Fires

Recalls

TSBs

794

✅

Preliminary Verdict

Green Light

Based on 8 complaints, 0 crashes, 0 fires, and 4 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the EngineHIGH

2 owners reported engine issues.

!Inspect the Tires:sidewallMED

Look for symptoms of wear and premature failure

+ 5 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine (2 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine2 (25%)

Tires:sidewall1 (13%)

Steering1 (13%)

Electrical1 (13%)

Collision Avoidance1 (13%)

Suspension1 (13%)

Drivetrain1 (13%)

2021 Cadillac Ct4: Known Issues & Problem Areas

Engine Issues

Engine complaints account for 25% of all reports filed for the 2021 Cadillac Ct4, with 2 owners filing complaints with NHTSA.

Tires:sidewall Issues

Tires:sidewall complaints account for 13% of all reports filed for the 2021 Cadillac Ct4, with 1 owners filing complaints with NHTSA. Owners should pay attention to tires:sidewall-related symptoms during test drives and pre-purchase inspections.

Steering Issues

Steering complaints account for 13% of all reports filed for the 2021 Cadillac Ct4, with 1 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.

Electrical Issues

Electrical complaints account for 13% of all reports filed for the 2021 Cadillac Ct4, with 1 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

Complaints filed with NHTSA by year for the 2021 Cadillac Ct4. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (4 recalls)

21V421000Jul 2021

AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT

General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

21V611000Aug 2021

AIR BAGS:SIDE/WINDOW:CURTAIN

General Motors, LLC. (GM) is recalling certain 2020-2022 Cadillac CT4 and CT5 vehicles. The roof rail side-curtain air bags may not have been installed correctly, which could result in an improper air bag deployment during a crash.

22V903000Jan 2023

EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE

General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL 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 Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

25V148000Apr 2025

POWER TRAIN:AUTOMATIC TRANSMISSION

General Motors LLC (GM) is recalling certain 2019-2020 Cadillac CT6, 2020-2021 CT4, CT5, and 2020-2022 Chevrolet Camaro vehicles equipped with a 10-speed transmission. The transmission may become damaged internally and cause the wheels to lock-up.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Cadillac Ct4 is the 2020 — worth knowing if you're cross-shopping years. The biggest problem area is electrical.

2021 Cadillac Ct4 vs. Class Average (Compact Cars)

This vehicle

Class avg

Below the class average — fewer complaints than typical compact cars vehicles. A good sign.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 8 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 4 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Cadillac Ct4 Model Years

2026 2025 2024 2023 2022 2021 2020

View all Cadillac Ct4 years →

2021 Cadillac Ct4: Frequently Asked Questions

What is the most common problem with the 2021 Cadillac Ct4?

The most commonly reported issue with the 2021 Cadillac Ct4 is related to the engine, with 2 complaints filed with NHTSA.

Is the 2021 Cadillac Ct4 reliable?

The 2021 Cadillac Ct4 has 8 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.

How much does it cost to fix 2021 Cadillac Ct4 problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2021 Cadillac Ct4 have any recalls?

Yes, the 2021 Cadillac Ct4 has 4 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Cadillac Ct4 problems start?

Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.