2021 Bmw M4 Problems

Good Record

Shopping for a used 2021 Bmw M4? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 1 real NHTSA owner complaints, with Brake System the most reported area.

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Before you buy

This 2021 Bmw M4 has 1 NHTSA complaint — top issue: Brake System.

A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.

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1
Complaints
Crashes
Fires
Injuries
Fatalities
2
Recalls

2021 Bmw M4 Fuel Economy

✓ EPA Official Data

EPA-rated fuel economy across 4 2021 Bmw M4 trim configurations. The median figure is shown; range reflects all available trims.

22
MPG City
1623 range
31
MPG Hwy
2331 range
25
MPG Combined
1926 range
346
g CO₂/mile
Premium Gasoline
⚠️Costs $4,250 more than avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 4 trims analysed.

2021 Bmw M4 Safety Ratings

NHTSA 5-Star Program2 variants tested — showing 2021 BMW M4 2 DR AWD

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

Not Rated

Frontal Crash

Not Rated

Side Crash

Not Rated

Rollover

Not Rated
Stability Control: StandardForward Collision Warning: StandardLane Departure Warning: Standard

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

Based on NHTSA complaint data, the 2021 Bmw M4 has 1 owner complaints, 0 crash-related complaints, and 2 recall campaigns on record. The most frequently reported component is Brake System. NHTSA reliability signal: Good Record.

2021 Bmw M4 — key reliability facts
Make
Bmw
Model
M4
Model year
2021
NHTSA owner complaints
1
Crash-related complaints
0
Safety recall campaigns
2
Top reported component
Brake System
Reliability signal
Good Record
EPA MPG combined
25
EPA MPG city / highway
22 / 31
Fuel type
Premium Gasoline
Electronic stability control
Standard

Common problems

Most common 2021 Bmw M4 problems

Top owner-reported complaint areas and where they often appear.

#1
1
complaints

Brake System

Complaint patterns center on Brake System. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Buyer verdict

Should you buy a used 2021 Bmw M4?

The 2021 Bmw M4 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car.

Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.

Pre-purchase

What to check before buying a used 2021 Bmw M4

Inspection Focus

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Before You Close the Deal

  • Run a VIN check on the specific vehicle you are considering
  • Verify all open recalls are completed at nhtsa.gov/recalls
  • Request service records for the most-reported complaint components
  • Have a certified mechanic inspect the vehicle before purchase

Check the exact car

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2021 Bmw M4, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

Full breakdown

All 2021 Bmw M4 complaints by category

Every owner-reported complaint category filed with NHTSA for the 2021 Bmw M4. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Brake System1

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

In their words

Real owner complaints

Read what owners actually reported to NHTSA for the 2021 Bmw M4. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Showing 1 most recent complaints

Brake SystemJun 13, 2024

Vehicle brake very very loudly. BMw claims this is normal, this is not true. Vehicle has extremely low miles and performs bad when braking.

Source: NHTSA Complaints Database. Real owner reports for the 2021 Bmw M4.

Safety recalls

2021 Bmw M4 recalls

2 campaigns

NHTSA recall campaigns for the 2021 Bmw M4. 2 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

Safety recall

SEAT BELTS

#21V554000SEAT BELTS21/07/2021
Safety recall

SERVICE BRAKES, HYDRAULIC

#21V062000SERVICE BRAKES, HYDRAULICOct 2, 2021

Across model years

Compare Bmw M4 model years

Compare complaint and recall volume across years to see whether 2021 lands in a lower-risk or higher-risk part of the model timeline.

Research more

Keep researching before you buy

Compare brands and categories, then check the exact car's history by VIN.

Questions

2021 Bmw M4 buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2021 Bmw M4 reliable?

Good Record. NHTSA currently shows 1 owner complaints, 0 crash-related complaints, and 2 recall campaigns for this model year. The 2021 Bmw M4 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2021 Bmw M4?

#1: Brake System (1 complaints)

At what mileage do problems start on the 2021 Bmw M4?

Mileage data is not available or insufficient for this model year.

How safe is the 2021 Bmw M4?

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2021 Bmw M4, NHTSA complaints include 0 crash-related reports and 0 fire reports out of 1 total complaints. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2021 Bmw M4 have any recalls?

Yes. 2 NHTSA recall campaigns affect the 2021 Bmw M4. A major recall area is SEAT BELTS. 2 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2021 Bmw M4?

The 2021 Bmw M4 looks comparatively lower-risk based on complaint volume, but model-year averages do not confirm the condition of any specific used car. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Brake System during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpectorAI.

Wider context: See the full Bmw M4 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2021 Bmw M4 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

Before you buy

Check the exact vehicle history before you buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.