2020 Mack Granite (gr)Problems, recalls & complaints

NHTSA has logged 2 owner complaints about the 2020 Mack Granite (gr), most often about the power train. It is covered by 7 safety recalls, and for recall 25V-666 the manufacturer reports only 34% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 6, 2025. Updated daily.

Complaints by system

Where the 2020 Mack Granite (gr) has problems

2 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Power train20

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

7 recalls

2020 Mack Granite (gr) recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

34%repaired · 2026 Q3

Front: anchorage

Recall 25V-666 · Oct 6, 2025 · 15,841 vehicles · 5,422 repaired

Risk. An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.

Problem, fix and repair progress →

73%repaired · 2026 Q3

Electrical system: software

Recall 24V-792 · Oct 23, 2024 · 59,338 vehicles · 43,545 repaired

Risk. Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System)…

Problem, fix and repair progress →

53%repaired · 2026 Q2

Exterior lighting: turn signal

Recall 23V-600 · Aug 25, 2023 · 27,418 vehicles · 14,580 repaired

Risk. Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.

Problem, fix and repair progress →

Show 3 more recalls
61%repaired · 2023 Q1

Control module: software

Recall 21V-233 · Apr 1, 2021 · 557 vehicles · 344 repaired

Risk. A vehicle that drifts out of its lane increases the risk of a crash.

Problem, fix and repair progress →

89%repaired · 2021 Q3

Link: connection

Recall 19V-896 · Dec 16, 2019 · 80 vehicles · 71 repaired

Risk. If the drag link separates, loss of steering control my occur, increasing the risk of a crash.

Problem, fix and repair progress →

68%repaired · 2020 Q2

Rearview mirrors/devices: exterior

Recall 19V-054 · Jan 24, 2019 · 3,906 vehicles · 2,638 repaired

Risk. If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mack.

Best & worst years

2020 vs. every other Granite (gr) year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Granite (gr) median. How we score

'15'16'17'18'19'20'21'22'23'24'25'26'27
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
In owners' words

What Granite (gr) owners report

Recent power train complaints filed with NHTSA, shortened. Personal details are removed.

The driver was driving down the freeway and lost all power. The driveshaft fell out of the truck at 70 mph, luckly the truck was working a night shift and traffic was light, only a piece was still attached. The dealer confirmed rear differenial failure. There were no warnings before the failure.
Complaint 11567837 · Jan 25, 2024
The driver was driving down an arterial street and the thru shaft failed on a blind corner. The driver was able to limp the truck to the shoulder. The drivers safety was put at risk as well as everyone else on the road, there would have been no way to move the trailer if it had been loaded and was…
Complaint 11567832 · Jan 25, 2024

Own a 2020 Granite (gr)?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.