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#BS-2020-MACGRA-3737

2020 Mack Granite (gr)

Based on reports from 3 owners and 7 recalls for this exact model.

Complaints
3
Crashes
0
Fires
0
Recalls
7
TSBs
247
✅

Preliminary Verdict

Green Light

Based on 3 complaints, 0 crashes, 0 fires, and 7 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the DrivetrainHIGH

2 owners reported drivetrain issues.

!Inspect the Power Train:driveline:differential UnitMED
Look for symptoms of wear and premature failure
+ 3 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: Drivetrain (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

Drivetrain2 (67%)
Power Train:driveline:differential Unit1 (33%)

2020 Mack Granite (gr): Known Issues & Problem Areas

Drivetrain Issues

Drivetrain complaints account for 67% of all reports filed for the 2020 Mack Granite (gr), with 2 owners filing complaints with NHTSA.

Power Train:driveline:differential Unit Issues

Power Train:driveline:differential Unit complaints account for 33% of all reports filed for the 2020 Mack Granite (gr), with 1 owners filing complaints with NHTSA. Owners should pay attention to power train:driveline:differential unit-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.

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

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Recall History (7 recalls)

19V054000Mar 2019

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 Mack Anthem, Granite, Pinnacle vehicles. The passenger side door down view mirror may detach from the door.

19V896000Jan 2020

STEERING:LINKAGES:DRAG:LINK:CONNECTION

Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The castle nuts and cotter pins used to connect the steering drag link to the pitman arm and steering arm may have not been correctly installed, potentially causing separation of the drag link.

21V233000Apr 2021

ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."

23V600000Sep 2024

EXTERIOR LIGHTING:TURN SIGNAL

Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

24V773000Nov 2024

TIRES

Mack Trucks, Inc. (Mack) is recalling certain 2019-2025 GR and 2018 GU Granite vehicles equipped with non-DOT tested tires. The tires may not have been DOT tested and confirmed to be sufficient for the vehicles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 119, "New Pneumatic Tires - Other Than Passenger Cars."

+ 2 more recalls in the full report

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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About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 3 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 7 recalls found for this vehicle.

Repair Cost Data

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

Other Mack Granite (gr) Model Years

20252024202320222021202020192018201720162015
View all Mack Granite (gr) years →

2020 Mack Granite (gr): Frequently Asked Questions

What is the most common problem with the 2020 Mack Granite (gr)?
The most commonly reported issue with the 2020 Mack Granite (gr) is related to the drivetrain, with 2 complaints filed with NHTSA.
Is the 2020 Mack Granite (gr) reliable?
The 2020 Mack Granite (gr) has 3 complaints, 0 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 much does it cost to fix 2020 Mack Granite (gr) 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 2020 Mack Granite (gr) have any recalls?
Yes, the 2020 Mack Granite (gr) has 7 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mack Granite (gr) 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?
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