2024 Subaru Ascent Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 48 verified NHTSA owner complaints, 1 federal safety recalls, and interquartile failure mileage telemetry.
The 2024 Subaru Ascent receives a 7.6/10 MazicBay Reliability Index based on 48 verified NHTSA federal complaints and 1 safety recalls. The primary reported failure mode is Electric Power Steering Assist & Suspension Noise Reports with a median failure point at 14,823 miles (IQR: 14,823 – 14,823 mi). Out-of-warranty repairs benchmark at $450 – $1,400 .
8 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
1 Active / Free Remedies
Top Reported Problem Clusters (6)
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“While pulling up to a drive thru window the vehicle shuddered and the engine shut off. I lost all power steering and had to come to a stop, shift into park, then restart the engine. No check engine lights or warnings illuminated. There were no status messages to indicate what ...”
“While cruising on a 2-lane road or a freeway, the vehicle will cross over the adjacent line, either left or right. This generally happens between 50 to 75 mph. The event happens either when cruise control is on or off. Wind is not necessarily the problem. The solution requires...”
“My 2024 Subaru Ascent developed a recurring clunk/thump noise from the steering system during low-speed turning (10–15 mph) and when turning the wheel at a stop. The noise was present daily and worsened over time. I took the vehicle to two Subaru dealerships. Sterling Subaru d...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“While pulling up to a drive thru window the vehicle shuddered and the engine shut off. I lost all power steering and had to come to a stop, shift into park, then restart the engine. No check engine lights or warnings illuminated. There were no status messages to indicate what ...”
“While cruising on a 2-lane road or a freeway, the vehicle will cross over the adjacent line, either left or right. This generally happens between 50 to 75 mph. The event happens either when cruise control is on or off. Wind is not necessarily the problem. The solution requires...”
“On 9-May, 2026, the vehicle was driven during the morning with no warning lights or indication of component failure. Vehicle was parked on the owner's driveway at approximately 13:00. Approximately 15:40 I started the Ascent’s engine, let it idle for about 60 seconds, buckled ...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“Uncommanded maximum braking with simultaneous high-voltage and low-voltage shutdown. Vehicle is not safe in Florida with puddles or any types of ongoing obstructions vehicle shuts down in the middle of traffic if it perceives you do not match Google maps”
“Eye sight freezing when car purchased brand new. I was told that this was a known Issue. Radio freezing and then resuming at blaring volume, I was told that this was a known issue and Subaru was waiting for an update. Burning smell from car when purchased, notified dealer, sme...”
“In my new 2024 Ascent, there's a vibration in the driver side mirror that gets worse as speed increases. It's a minor issue, but it's disappointing for a brand new car to have this problem. The Subaru dealer hasn't taken any action despite being informed about it, and the vibr...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“On 9-May, 2026, the vehicle was driven during the morning with no warning lights or indication of component failure. Vehicle was parked on the owner's driveway at approximately 13:00. Approximately 15:40 I started the Ascent’s engine, let it idle for about 60 seconds, buckled ...”
“My 2024 Subaru Ascent started experiencing brake issues in early January. The car would shake heavily and make noise when braking, despite having only 10,500 miles. Concerned, I contacted Subaru of America and was advised to take it to a dealership for an inspection. On 1/31/2...”
“The vehicle was being driven on a public road, going roughly 45mph. I felt a very harsh studder/clunk and completely lost responsiveness from the accelerator. There was no throttle response even pumping the pedal all the way to the floor. I was able to coast to a parking area ...”
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“While pulling up to a drive thru window the vehicle shuddered and the engine shut off. I lost all power steering and had to come to a stop, shift into park, then restart the engine. No check engine lights or warnings illuminated. There were no status messages to indicate what ...”
“On 9-May, 2026, the vehicle was driven during the morning with no warning lights or indication of component failure. Vehicle was parked on the owner's driveway at approximately 13:00. Approximately 15:40 I started the Ascent’s engine, let it idle for about 60 seconds, buckled ...”
“My vehicle has lost EYESIGHT TOO MANY TIMES while Am driving ON HIGH WAY SO STEERING WHEEL LOCKED, ADATER,CRUISE CONTROL SIGN APPEARS TOGETHER .JUST A SECOND MY FAMILY HAD ALMOST DIED DUE TO VACATION TIME IN AUGUST,2025.I CANT BELIEVE THAT IS BRAND NEW SUBARU ASCENT TOURING 20...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“Eye sight freezing when car purchased brand new. I was told that this was a known Issue. Radio freezing and then resuming at blaring volume, I was told that this was a known issue and Subaru was waiting for an update. Burning smell from car when purchased, notified dealer, sme...”
Official NHTSA Safety Recalls (1)
EQUIPMENT:OTHER:LABELS
Summary: Subaru of America, Inc. (Subaru) is recalling certain 2026 Crosstrek Hybrid, 2025-2026 Forester Hybrid, Forester, and 2019-2026 Ascent vehicles. These vehicles were manufactured with an incorrect Gross Axle Weight Rating (GAWR) on the certification label. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) 110, "Tire selection and rims."
Pre-Purchase Inspection Checklist for 2024 Subaru Ascent
Before purchasing a used 2024 Subaru Ascent, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 1 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2024 Subaru Ascent
Is the 2024 Subaru Ascent a reliable used car?
The 2024 Subaru Ascent earns a 7.6/10 MazicBay Reliability Index based on 48 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2024 Subaru Ascent?
The leading complaint category is Electric Power Steering Assist & Suspension Noise Reports, with a median failure point around 14,823 miles (IQR: 14,823 – 14,823 mi).
Are there free recall repairs available for the 2024 Subaru Ascent?
Yes, the NHTSA records 1 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.