Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2025 | 0 | typical | 2 | — | Few |
| 2020 | 0 | typical | 5 | — | Few |
| 2019 | 0 | typical | 5 | — | Few |
| 2018 | 0 | typical | 3 | — | Few |
| 2017 | 0 | typical | 5 | — | Few |
| 2016 | 4 | 3.0× | 7 | Engine | Few |
| 2015 | 1 | 1.5× | 5 | Engine | Few |
| 2014 | 0 | typical | 4 | — | Few |
| 2013 | 1 | 1.5× | 4 | — | Few |
| 2012 | 0 | typical | 4 | — | Few |
| 2011 | 0 | typical | 2 | — | Few |
| 2008 | 0 | typical | 3 | — | Few |
* Complaints compared with the median NPR HD year at the same age, so new and old years are judged fairly. How this works.
Most common Isuzu NPR HD problems
Latest Isuzu NPR HD recalls
Structure › Body › Hatchback/liftgate › Hinge and attachments
US Truck Body Co., Inc. (US Truck Body) is recalling certain 2025 Isuzu NPR HD vehicles equipped with Waltco MDV series liftgates. The deck pins may break, causing the liftgate platform to fall.
Remedy: US Truck Body will work with the supplier, Hiab, to inspect the platform bushings and hydraulic systems and replace the deck pins, free of charge. All affected vehicles are expected to be repair by August 27, 2026.
Electrical system › Wiring
Isuzu Motors Limited (Isuzu) is recalling certain 2025-2027 Chevrolet Low Cab Forward 5500XD, 4500XD, Isuzu NRR, NPR HD, NPR XD, 2025-2027 Chevrolet Low Cab Forward 4500HD, and Isuzu NRR EV vehicles. The chassis and/or cab wire harnesses may chafe against metal components, leading to harness failure.
Remedy: Dealers will add additional fasteners, inspect and replace the harnesses as necessary, free of charge. This is a Phased campaign. Phase 1 will include NRR EV vehicles.
Suspension › Rear › Springs › Leaf spring assembly › U-bolt, leaf spring to axle
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2015-2017 Isuzu NPR, Reach, 2016-2020 Isuzu NPR XD, NPR HD, NQR, 2016-2021 Isuzu NRR, 2017-2020 Chevrolet 4500XD, 4500HD, 5500HD, and 2020 Chevrolet 5500XD vehicles.
Remedy: Isuzu will notify owners, and dealers will inspect and, if needed, replace and tighten the rear axle U-bolt nuts, free of charge. The recall began on April 23, 2021.
Electrical system › Wiring
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 NPR-HD (Crew Cab) and Chevrolet 4500 (Crew Cab) vehicles equipped with 6.6L gasoline engines. The chassis harness and the coolant return hose from the radiator to the reservoir (surge hose) may chafe.
Remedy: Isuzu and Chevrolet will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall…
Electrical system › 12V/24V/48V battery › Cables
Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2020 Isuzu NPR-HD Gas (Crew Cab) and 2020 Chevrolet 4500 (Crew Cab) trucks equipped with 6.6L gasoline engines. The positive cable connecting the battery to the starter may be too long and may have been routed too close to the right-side exhaust pipe.
Remedy: Isuzu and Chevrolet will notify their respective vehicle owners and dealers of this recall, and specifically of the need to adjust the positive cable in subject vehicles, and owners will be informed that the recall…
Frequently asked questions
What years of the Isuzu NPR HD should you avoid?
None of the Isuzu NPR HD years has an unusually high number of complaints compared with the others at the same age.
What are the most common Isuzu NPR HD problems?
Across all years, owners report the most problems with the engine & cooling (4), transmission & drivetrain (4) and fuel & propulsion system (2). Engine complaints peak in the 2016 model year.
How many recalls has the Isuzu NPR HD had?
17 recalls across 2008–2025. The model year with the most is 2016. See all Isuzu NPR HD recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.