Head-to-head reliability
Isuzu Ascender vs Chevrolet Silverado
How the Isuzu Ascender and Chevrolet Silverado compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
Isuzu Ascender vs Chevrolet Silverado: The Ascender averages 51.5 complaints per year over 6 years, while the Silverado averages 822.7 per year over 10 years. The Silverado also has 233 crash-related reports and 160 injuries versus 10 and 6 for the Ascender. Source: NHTSA owner complaints.
The picture
Is the Isuzu Ascender or Chevrolet Silverado more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
Isuzu Ascender
The Isuzu Ascender is a mid-size SUV that, over six years, generated 309 complaints—about 52 per year—with 18 recalls, 10 crash-related reports, and 6 injuries. Owner complaints cluster around electrical gremlins, fuel system faults, and lighting failures, suggesting a vehicle that can leave you stranded or dark at night. With no deaths reported in the data, the main ownership burden is frequent, annoying repairs rather than catastrophic safety failures.
Chevrolet Silverado
The Chevrolet Silverado is a full-size pickup that racked up 8,227 complaints over ten years—roughly 823 per year—plus 101 recalls, 233 crash-related reports, 160 injuries, and 3 deaths. The sheer volume of complaints, especially for engine, powertrain, and brake issues, points to a truck that can suffer serious, sometimes sudden failures even at low mileage. While many owners may never experience a problem, the data shows a higher rate of severe safety-related events than the Ascender.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | Isuzu Ascender | Chevrolet Silverado |
|---|---|---|
| Total complaintsAll model years combined | 309 Better | 8,227 |
| Safety recallsFederal recall campaigns | 18 Better | 101 |
| Crash reportsCrash-related complaints | 10 Better | 233 |
| Complaints per yearAveraged across model years | 51.5 Better | 822.7 |
| Reported injuriesTied to owner complaints | 6 Better | 160 |
| Reported deathsTied to owner complaints | 0 Better | 3 |
Source: NHTSA owner complaints & recall records.
What actually goes wrong
The problems owners report
The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.
Isuzu Ascender
- 01ELECTRICAL SYSTEM119
- 02FUEL SYSTEM81
- 03GASOLINE63
- 04EXTERIOR LIGHTING33
- 05FUEL/PROPULSION SYSTEM31
Owners report the vehicle won't start even after jump attempts, and some see smoke or flames from the instrument cluster area. These failures can leave you stranded and raise fire concerns.
Common complaints include a gas gauge that reads inaccurately and a persistent gasoline smell near the left rear, often traced to a leak at the filler neck-to-tank connection. This is both a nuisance and a potential fire hazard.
The 'Service Engine Soon' light frequently comes on after fueling, and owners report visible fuel leakage at the filler neck. This can lead to failed emissions tests and dangerous fuel leaks.
Headlights and daytime running lights can dim or go out without warning while driving at night. Multiple owners had to replace ignition switches and alternators, but the problem sometimes persisted.
“HAD AUTO TOWED TO MIDAS AFTER INABILITY TO START, ATTEMPTED JUMP START, UNSUCCESSFUL. BATTERY REPLACED ON 12/28/15. DROVE AUTO NEXT SEVERAL DAYS AND ON 12/30/15 DROVE TO PICK UP MY HUSBAND, SHUT OFF CAR IN PARK. UNABLE TO START VEHICLE AGAIN, KEYS COULD NOT B…”
“TL* THE CONTACT OWNS A 2004 ISUZU ASCENDER. THE CONTACT STATED THAT THE GAUGES AND LIGHTS ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER STATED THAT THE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE CONTACT ALSO NOTICED SMOKE AND FLAMES COMING FROM THE CONTR…”
Chevrolet Silverado
- 01ENGINE2,521
- 02POWER TRAIN2,347
- 03ELECTRICAL SYSTEM1,513
- 04SERVICE BRAKES1,222
- 05UNKNOWN OR OTHER858
Owners of newer Silverados report engine shutdowns while driving, sometimes with a 'Return to Neutral' message, and diesel models suffer repeated excessive soot accumulation in the particulate filter. These issues can cause sudden loss of power and expensive dealer repairs.
Complaints include the transmission suddenly shifting into neutral while driving slowly, such as in a parking garage, leaving the vehicle unable to accelerate. This creates a dangerous situation in traffic or tight spaces.
Some owners experience a severe loss of normal braking even though the brake pedal feels firm, along with the engine shutting off while driving. These electrical faults can disable critical safety systems without warning.
Reports describe the truck completely shutting off—screens going blank and no acceleration—while barely applying throttle in a parking lot. Braking effectiveness can also drop suddenly, making stops unreliable.
“I purchased the 2026 Chevrolet Silverado with a 6.2L motor "new" from the dealer with 5700 miles on XXX. Roughly a month and 2500 miles later, my family and I were in the vehicle, 750 miles from home, returning from a vacation to [XXX] from the [XXX]/[XXX] ar…”
“My 2026 Chevrolet Silverado 3500 with the 6.6L Duramax diesel has experienced three separate P2463 Diesel Particulate Filter excessive soot accumulation events at approximately 4,300, 5,500, and 10,280 miles. Each event required a Chevrolet dealer to perform…”
Official recalls
Safety recalls on record
Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.
Isuzu Ascender — 18 recalls
The defect: CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE LOWER UNIVERSAL ANCHORAGE SYSTEM.
The risk: THIS DOES NOT COMPLY WITH THE STANDARD.
The fix: OWNERS WILL BE PROVIDED WITH A SUPPLEMENT FOR THEIR OWNER'S MANUAL. IT DESCRIBES AND SHOWS THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT ANCHORS THAT ARE LOCATED IN THE VEHICLE. OWNER NOTIFICATION BEGAN AUGUST 15, 2003. OWNERS SHOULD CONTAC…
The defect: General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corro…
The risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
The fix: GM will notify owners, and dealers will inspect the part number on the door module, and install a new door module if necessary, free of charge. Parts for the remedy are not currently available. An interim letter was mailed to owners in Aug…
The defect: General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corro…
The risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outside until the remedy has been made.
The fix: GM will notify owners, and dealers will inspect the part number on the door module, and install a new door module if necessary, free of charge. Parts for the remedy are not currently available. An interim letter was mailed to owners in Aug…
The defect: CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
The risk: A MISPRINTED LABEL COULD LEAD TO IMPROPER VEHICLE LOADING SPECIFICATIONS OR TIRE INFLATION WHICH COULD RESULT IN A TIRE FAILURE, INCREASING THE RISK OF A CRASH.
The fix: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-8…
Chevrolet Silverado — 101 recalls
The defect: General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado 1500, 2500, and 3500 vehicles. These vehicles may not have received an owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, “Child Re…
The risk: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
The fix: Dealers will provide the owner’s manual, free of charge. Owner notification letters were mailed December 30, 2025. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252532020. Vehicle Identifi…
The defect: General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.
The risk: An engine stall increases the risk of a crash.
The fix: The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782…
The defect: General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Cou…
The risk: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
The fix: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer service at 1-866-467-970…
The defect: General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with the enhanced towing option and 20-inch accessory tire/wheel package. The tire information label may state the incorrect rear tire pressure, resulting in underinflated tires an…
The risk: Driving with underinflated tires can increase the risk of a crash.
The fix: Dealers will inspect, update the engine control module (ECM) software, apply a tire label overlay, inflate tires to the correct pressure, and perform a tire pressure monitor system (TPMS) re-learn process as necessary, free of charge. Owne…
Buyer analysis
Isuzu Ascender or Chevrolet Silverado: which should you buy?
The Isuzu Ascender has far fewer issues per year (about 52 complaints/year) compared to the Chevrolet Silverado (about 823 complaints/year). In practice, the Ascender's problems tend to be annoying electrical and fuel faults, while the Silverado's higher volume includes more severe engine, transmission, and brake failures that can happen at low mileage. If you prioritize a lower frequency of reported problems, the Ascender looks better on paper, but both require careful inspection.
Key differences
- The Isuzu Ascender averages about 52 complaints per year, while the Chevrolet Silverado averages about 823 per year—roughly 16 times more complaints annually.
- Ascender owners most often report electrical no-starts, fuel leaks, and dimming headlights; Silverado owners report engine shutdowns, transmission slipping into neutral, and sudden brake loss.
- The Silverado has 233 crash-related reports and 160 injuries in the data, versus 10 crash-related and 6 injuries for the Ascender, indicating a higher rate of severe incidents.
- Both have recalls for equipment and labels, but the Silverado also has recalls for fuel pump control, tire pressure monitoring, and forward collision warnings—systems tied to safety.
- Check for a gasoline smell near the left rear wheel and inspect the fuel filler neck-to-tank connection for leaks or staining.
- Test all exterior lights, including low beams and daytime running lights, for flickering or intermittent outages, and ask if the ignition switch or alternator has been replaced.
- During a test drive, pay attention to any sudden engine shutdown, transmission hesitation, or 'Return to Neutral' messages on the dash.
- Test the brakes at low speed in a parking lot; a firm pedal with poor stopping power or any screen blanking could indicate an electrical brake fault.
Before you buy
- Obtain a full vehicle history report and confirm all open recalls have been repaired by a dealer.
- Have a mechanic inspect the fuel system (Ascender) or engine/transmission (Silverado) for the specific failure patterns reported by owners.
- Scan for stored trouble codes, especially for the electrical system, fuel system, and brakes, even if no warning light is currently on.
- Test drive at night to check headlight function (Ascender) and at low speed in a parking lot to check for sudden shutdowns or brake issues (Silverado).
- Ask the seller for maintenance records and whether any recurring problems—like fuel leaks or engine stalling—have been addressed.
Check the actual car
Comparing models is smart. Checking the VIN is essential.
Brand averages tell you the trend. A VIN check tells you what's wrong with the specific Isuzu Ascender or Chevrolet Silverado in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- Isuzu Ascender vs Chevrolet Silverado
- Isuzu Ascender total complaints
- 309
- Chevrolet Silverado total complaints
- 8,227
- Isuzu Ascender total recalls
- 18
- Chevrolet Silverado total recalls
- 101
- Isuzu Ascender avg complaints/year
- 51.5
- Chevrolet Silverado avg complaints/year
- 822.7
- More reliable overall
- Isuzu Ascender
- Isuzu Ascender top complaint area
- ELECTRICAL SYSTEM
- Chevrolet Silverado top complaint area
- ENGINE