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#BS-2021-GMCACA-30C0

2021 GMC AcadiaProblems, Recalls & Reliability

Based on reports from 229 owners and 2 recalls for this exact model.

Data updated ·NHTSA complaints through October 28, 2026

Complaints
229
Crashes
17
Fires
0
Recalls
2
TSBs
846
🟡

Preliminary Verdict

Think Twice

Based on 229 complaints, 17 crashes, 0 fires, and 2 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

camera stopped working

1 complaints • Severity 8/10

$X,XXX
2

brake vacuum pump exploded

1 complaints • Severity 10/10

$X,XXX
3

emergency brake engaged at 70 mph

1 complaints • Severity 10/10

$X,XXX
4

water leak

1 complaints • Severity 10/10

$X,XXX
5

stabilitrak light came on

1 complaints • Severity 10/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

38 owners reported electrical issues — failures commonly reported around 28K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

18
0–30K
11
30–60K
5
60–90K
1
90–120K
120–150K
150K+

Peak failure range: 0–30K miles (18 reports) • Median: 28K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (38 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

Electrical38 (17%)
Engine31 (14%)
Fuel System30 (13%)
Other21 (9%)
Brakes19 (8%)
Steering18 (8%)
Drivetrain16 (7%)
Airbags10 (4%)

2021 GMC Acadia: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 17% of all reports filed for the 2021 GMC Acadia, with 38 owners filing complaints with NHTSA. The median mileage at time of complaint is 28,000 miles, suggesting issues tend to surface around the 28K-mile mark.

Engine Issues

Engine complaints account for 14% of all reports filed for the 2021 GMC Acadia, with 31 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Fuel System Issues

Fuel System complaints account for 13% of all reports filed for the 2021 GMC Acadia, with 30 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 8% of all reports filed for the 2021 GMC Acadia, with 19 owners filing complaints with NHTSA. Owners should pay attention to brakes-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

4
20
21
21
28
22
21
23
33
24
72
25
50
26

Complaints filed with NHTSA by year for the 2021 GMC Acadia. Recent trend: decreasing.

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

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Recall History (2 recalls)

21V422000Jul 2021

FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

General Motors, LLC. (GM) is recalling certain 2021 Cadillac XT5, XT6, and GMC Acadia vehicles. The fuel supply lines may be improperly attached and seated.

22V709000Jan 2023

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

General Motors, LLC (GM) is recalling certain 2020-2021 Cadillac XT5, XT6, and GMC Acadia vehicles equipped with the optional Surround Vision feature. The rearview camera coaxial cable connectors may have been crimped improperly, causing the rearview camera to fail or function intermittently.

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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2021 GMC Acadia NHTSA Safety Ratings

Overall

★★★★★

5 of 5 stars

Frontal crash

★★★★★

5 of 5 stars

Side crash

★★★★★

5 of 5 stars

Rollover

★★★★★

4 of 5 stars

From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.

NHTSA Defect Investigations (1)

All closed. Investigations are how NHTSA decides whether a defect needs a recall.

PE22006ClosedOpened Jul 2022 · closed Nov 2022

Rear-View Camera Failure

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

The worst model year for the GMC Acadia is the 2008 — worth knowing if you're cross-shopping years. The biggest problem area is transmission.

2021 GMC Acadia vs. Class Average (Standard Sport Utility Vehicle 2WD)

This vehicle

229

Class avg

242

Complaint volume is roughly in line with other standard sport utility vehicle 2wd vehicles from 2021.

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. 229 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

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

Last updated . NHTSA complaints received through October 28, 2026; safety ratings from NHTSA's 5-Star program.

Other GMC Acadia Model Years

20262025202420232022202120202019201820172016201520142013201220112010200920082007
View all GMC Acadia years →

2021 GMC Acadia: Frequently Asked Questions

What is the most common problem with the 2021 GMC Acadia?
The most commonly reported issue with the 2021 GMC Acadia is related to the electrical, with 38 complaints filed with NHTSA.
Is the 2021 GMC Acadia reliable?
The 2021 GMC Acadia has 229 complaints, 17 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How safe is the 2021 GMC Acadia?
NHTSA rates the 2021 GMC Acadia 5 out of 5 stars overall, with 5 stars in frontal crash tests, 5 stars in side crash tests, 4 stars for rollover resistance. Where NHTSA tested more than one version, the lowest rating is shown.
How much does it cost to fix 2021 GMC Acadia 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 GMC Acadia have any recalls?
Yes, the 2021 GMC Acadia has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do GMC Acadia problems start?
Based on 35 complaints with mileage data, the median mileage at time of complaint is 28,000 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2021 GMC Acadia data last updated?
BumperScan last checked this vehicle against NHTSA on October 30, 2026, covering owner complaints received through October 28, 2026 plus the latest recalls, investigations and technical service bulletins.
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.
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10 sections of AI analysis based on 229 owner reports. Know before you buy.

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