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2021 BMW 4 Series Gran
Solid pick. The public record on this car is clean for its age. Inspect it, then negotiate with confidence.
15 owner complaints · 0 recalls · data verified July 20, 2026 · source: NHTSA
Why buy?
Complaints are still coming in strong late in this car's life, a chronic-problem pattern, not early teething.
Very few owner complaints for its age and sales volume.
Zero recalls, rare for a car this age.
Score breakdown, by factor
Full methodology →#23 of 439Among the 2021 models with a matured record, the 2021 BMW 4 Series Gran ranks #23, scoring higher than 93% of them. See the 2021 ranking →
Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
How it crashes
NHTSA’s own crash tests, separate from the reliability score above.
NHTSA crash-tested this model year but didn’t publish an overall star rating for it.
Source: nhtsa.gov/ratings. Star ratings compare vehicles within the same class and size, not across every car on the road.
The road ahead
What breaks on a 2021 BMW 4 Series Gran, plotted where owners report it happening.
Also reported (mileage varies): Electrical system (6)
Mileage medians come from owners who mentioned an odometer reading in their NHTSA complaint, a rough guide, not a schedule.
Electrical system
40%6 complaints · 5 in the last 2 years
“I received a recall notice dated 9/23/2025. The recall is listed as URGENT safety issue that could cause a fire. The notice instructs not to drive the car or park in g…”
Engine
20%3 complaints · 3 in the last 2 years
“The engine Unknown The problem was confirmed by BMW as they sent me a notice. Unknown Unknown”
Seat belts
20%3 complaints · 1 in the last 2 years
“The seat belt retractor keeps breaking, dealer fixed it once, broke after two days, dealer did not want to fix again, arguing for over a year, finally they fixed it su…”
Transmission & drivetrain
7%1 complaints · 1 in the last 2 years
“The contact owns a 2021 BMW 430I. The contact stated while stopped at a traffic light, the light turned green; however, when the accelerator pedal was depressed, the v…”
Check it against this car’s mileage
Type the odometer reading on the actual car you’re looking at to see which of these problem areas owners tend to report before it, around it, or after it.
Too few owners named a mileage on this model to place issues against an odometer yet.
Recalls (0)
No recall campaigns on file for this model year.
Questions to ask the seller
Questions worth asking the seller of this BMW before you buy, drawn from its public record:
- Owners of this model report electrical system problems more than anything else. Has this car shown any electrical system symptoms, and are there repair records for it?
- Has this car been in any accident, and can you share a title history and any service records you have?
- How many owners has it had, do you have the maintenance records, and why are you selling it?
- Are you open to me having an independent mechanic inspect it before we settle on a price?
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150 to $250 independent inspection of this exact 2021 BMW 4 SERIES GRAN beats every score on the internet, including ours.
What to ask forNot set on the 2021? See how every 4 Series Gran model year scores →
Cross-shopping? Compare the 2021 BMW 4 Series Gran against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score. If they disagree, that’s worth knowing.