The 2021 BMW 3 Series is a compact luxury sedan from Germany. Below are the specifications, open safety recalls and NHTSA data available for this specific model year. Decode a 2021 3 Series VIN to see the exact trim, engine and equipment for one particular vehicle.
Value calculator
Move the slider: the estimate applies the observed one-year depreciation rate for this model line (21.2%/year) to the value you enter. It updates instantly, right here.
Estimated value
$0
Buy window: across this model line, the yearly price drop visibly flattens around 5 years of age — the observed point where each extra year of ownership costs the least in depreciation.
Source: Craigslist U.S. used listings (2020-2021 snapshot) + Car Features & MSRP dataset. Asking prices run above negotiated sale prices, and the snapshot was taken in 2020–2021 — pair the estimate with live listings for your area before pricing a car.
Overview
The BMW 3 Series is the benchmark compact luxury sedan, blending sharp handling with premium comfort and strong turbo engines.
Specifications at a glance
Basic build info
Model year
2021
Make
BMW
Model
3 Series
Body
Compact Luxury Sedan
Country of origin
Germany
Available engines (model line)
Engine
2.0L turbo 4-cylinder
Engine
3.0L turbo inline-6
Model-year-exact trim, engine and equipment vary by VIN. Decode the specific VIN above to confirm.
NHTSA safety ratings
★★★★★
Overall
★★★★★
Frontal
★★★★★
Side
★★★★★
Rollover
Source: NHTSA New Car Assessment Program (NCAP).
Real-world pricing & specs — 2021 BMW 3 Series
Used-market medians (U.S. listings)
U.S. used-market listings for the 2021 3 Series (Craigslist, 2020–2021 snapshot) cluster around a median asking price of $38,895 at roughly 3,461 miles, based on 1 listings. Asking prices run above negotiated sale prices, and values have moved since the snapshot — pair with live listings for your area.
Used median price
$38,895
Median mileage
3,461
Sample: 1 listings
Median of real U.S. Craigslist asking prices for this model year; asking prices skew above negotiated sale prices. Snapshot taken 2020-2021.
NHTSA safety recalls — 2021 BMW 3 Series
0
Open NHTSA recall campaigns found in our latest check for the 2021 3 Series. Recall status changes over time and is tracked per-VIN — decode the specific VIN above to confirm.
Common problems to check on this generation
Oil and coolant leaks (valve cover, gasket)
Timing chain wear on some N20 engines
Electronics faults
Applies to the model line as a whole; the 2021 model year may have specific TSBs, always verify by VIN.
Owner-reported problems — 2021 3 Series
33
owner complaints filed with NHTSA for this year/make/model. Complaints are self-reported by owners and are separate from formal recalls.
Most-reported problem areas:
ELECTRICAL SYSTEM — 8 reports
ENGINE — 6 reports
POWER TRAIN,ELECTRICAL SYSTEM,ENGINE — 2 reports
POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM — 12/25/2021
In Buford GA at the corner of Elm Tree Terrace and Buford Dam road, I was waiting for the light to turn on a decline. It is important to note that the car was driving in all-electric mode on a full charge. Once the light turned green I stepped on the accelerator to go and the car stalled. I believe the transmission slipped. The gears caught at high torque and jolted the car involuntarily forward. I didn't notice it at first but after a couple of sleepless nights with shoulder pain: I got an MRI
1 injuries.
ENGINE — 12/08/2025
I have reached out to both the manufacturer and dealership regarding “Recall Campaign No. 25V-636: Engine Starter” who both do not have a remedy for this recall and do not have a reasonable timeframe of when it will be resolved.
ELECTRICAL SYSTEM — 12/04/2025
The contact owns a 2021 BMW 330I. The contact stated that several attempts were needed in the morning to start the vehicle. The contact stated that while driving at various speeds, the message "Check Control - Engine Unable to Start" even though the vehicle was running and being driven. Additionally, the contact stated that after stopping at a traffic light, the engine ON/OFF engaged; however, after the traffic light changed and the brake pedal was released, the vehicle failed to restart as desi
Ask a specific question about this year and model. Our editors review every submission and publish answers with sources on this page — typical response time is 2-5 business days.
Related guides for 2021 BMW 3 Series owners & buyers
The 2021 3 Series is a Compact Luxury Sedan. Decode a specific VIN above for the exact trim, engine, transmission and factory options for one particular vehicle.
Are there recalls on the 2021 3 Series?
No open NHTSA recalls were found in our latest check. Recall status is tracked per-VIN, decode the specific VIN to confirm.
Is the 2021 BMW 3 Series reliable?
Rewarding to drive but maintenance costs are high; buy with full service history.
Values vary by trim, mileage, condition and region. Check Kelley Blue Book, Edmunds and NADA/J.D. Power for a range, see our guide comparing them — and pair with 5–10 local listings for your exact year and mileage.
What common problems should I watch for on a 2021 3 Series?
Segment-wide issues like brake and suspension wear are the norm at this age; model-specific issues vary by generation. Review the "common problems" section above, check NHTSA complaints and TSBs for the specific year, and get an independent inspection focused on those areas.
Sources on this page:NHTSA vPIC (specifications),
NHTSA Recalls,
NHTSA NCAP (safety),
EPA FuelEconomy.gov (MPG),
NHTSA Complaints, SAE J2012 (OBD-II standard). VinSpecs is an independent service, not affiliated with BMW or any government agency.
