2021 Alfa Romeo Giulia Problems: 12 Known Issues
2021 model year · 580+ owner reports · Updated October 2026
According to Au7o's analysis of 580+ owner reports, the 2021 Alfa Romeo Giulia has 12 documented known issues, with 4 rated critical. The most serious are Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586) ($200-$2,000 repair), Turbo Coolant Line Leak ($300-$800 repair), Seat Belt Buckle Switch Connector Fault May Affect Front Seat Airbag Deployment (Recall 24V-510) ($0-$0 repair) and Electrical Faults from Water Intrusion / BCM Failure ($300-$1,500 repair). The most commonly reported issue is Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586) with 175 owner reports. Across all issues with published estimates, repair costs range from $150 to $2,500. DIY maintenance guides at au7o.io.
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All 12 Known Issues
When Issues Typically Appear
NHTSA Recalls4 recalls
EXTERIOR LIGHTING:HEADLIGHTS
Chrysler (FCA US, LLC) is recalling certain 2024 Alfa Romeo Giulia vehicles. The wiring harness may have been misrouted, which can cause the headlights to fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
BACK OVER PREVENTION:DISPLAY FUNCTION
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Alfa Romeo Giulia and Alfa Romeo Stelvio vehicles. The printed circuit board and software for the rearview camera may contain defects that cause the rearview camera image not to display properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
EQUIPMENT:OTHER:LABELS
Chrysler (FCA US, LLC) is recalling certain 2017-2024 Alfa Romeo Giulia and 2021-2024 Alfa Romeo Stelvio vehicles. The tire pressure and size information on the tire placard and manufacturer labels are incorrect. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
AIR BAGS:FRONTAL
Chrysler (FCA US, LLC) is recalling certain 2017-2024 Alfa Romeo Giulia, 2018-2025 Alfa Romeo Stelvio, 2019-2023 Fiat 500X, Jeep Renegade, and 2024 Fiat 500E vehicles. A seat belt buckle switch sensor may be improperly connected, preventing the front seat air bag from deploying as intended.
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Frequently Asked Questions
What are the most common Alfa Romeo Giulia problems?
According to Au7o's analysis of 580+ owner reports, the 2021 Alfa Romeo Giulia has 12 documented issues. The most frequently reported are: Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586), Turbo Coolant Line Leak, Seat Belt Buckle Switch Connector Fault May Affect Front Seat Airbag Deployment (Recall 24V-510). Of these, 4 are rated critical and should be addressed promptly.
Is the Alfa Romeo Giulia reliable?
The 2021 Alfa Romeo Giulia has 12 known issues documented across 580+ owner reports. 4 issues are rated critical: Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586) and Turbo Coolant Line Leak and Seat Belt Buckle Switch Connector Fault May Affect Front Seat Airbag Deployment (Recall 24V-510) and Electrical Faults from Water Intrusion / BCM Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Alfa Romeo Giulia problems?
Repair costs for known Alfa Romeo Giulia issues range from $0 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586), typically costs $200-$2,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2017-2026 Alfa Romeo Giulia Low-Pressure Fuel Pump Failure Causing Stall (Recall 25V-586)?
2017+ Giulias can experience sudden engine stall or no-start due to a defective low-pressure fuel pump inside the fuel delivery module. The pump's internal commutator wears prematurely and loses contact, cutting fuel supply at any speed. NHTSA recall 25V-586 (Stellantis campaign… Repairs typically run $200-$2,000. Severity: high.
What is the 2017-2026 Alfa Romeo Giulia Turbo Coolant Line Leak?
The turbocharger coolant supply and return lines develop leaks at the crimped fittings, causing coolant loss and potential overheating. The plastic quick-connect fittings become brittle from heat cycling. Repairs typically run $300-$800. Severity: high.
What is the 2017-2024 Alfa Romeo Giulia Seat Belt Buckle Switch Connector Fault May Affect Front Seat Airbag Deployment (Recall 24V-510)?
NHTSA lists 337,128 potentially affected vehicles under recall 24V510 across several models, including certain 2017–2024 Giulias. A disrupted buckle-switch connector can interfere with the restraint system's belt-status signal, so a front seat airbag may not perform as intended i… Repairs typically run $0-$0. Severity: high.
What is the 2017-2022 Alfa Romeo Giulia Electrical Faults from Water Intrusion / BCM Failure?
Water enters the cowl/firewall area (failed bulkhead gasket, detached fresh-air vent, or clogged A/C evaporator drain) and drips onto the Body Control Module and wiring loom in the passenger footwell. The resulting corrosion and shorts cause wide-ranging, intermittent electrical… Repairs typically run $300-$1,500. Severity: high.
What is the 2017-2026 Alfa Romeo Giulia Infotainment System Random Reboots?
The Uconnect infotainment system reboots randomly during driving, losing navigation, audio, and phone connectivity. The system can take 30-60 seconds to restart, leaving the driver without backup camera or climate controls. Repairs typically run $0-$1,200. Severity: medium.
What is the 2017-2026 Alfa Romeo Giulia Q4 AWD Transfer Case Jolting and Resonance Rumble?
The Giulia Q4 AWD system can develop two related transfer case symptoms with age: a perceptible jolt or slip during light-throttle acceleration in 2nd-3rd gear (output-shaft clutch wear) and a resonant low-frequency rumble at highway speed around 4th-5th gear (worn output bearing… Repairs typically run $300-$2,500. Severity: medium.
What is the 2017-2021 Alfa Romeo Giulia Parasitic Battery Drain / IBS & Stop-Start Faults?
Owners frequently report the 12V battery draining when the car sits for several days, often traced to modules not sleeping properly, a faulty Intelligent Battery Sensor (IBS), or BCM-related charging logic. Symptoms include battery warning lights after 4-5 days of inactivity, sto… Repairs typically run $150-$600. Severity: medium.
What is the 2017-2024 Alfa Romeo Giulia Incorrect Tire Pressure and Size Data on the Door Placard (FMVSS 110 Recall 24V-512)?
US recall 24V512 / FCA 81B includes selected 2017–2018 and 2021–2024 Giulia vehicles whose tire placards contain an incorrect tire size or recommended cold inflation pressure. The July 2024 Part 573 filing identifies 3,911 Giulias. Relying on incorrect label values can increase c… Repairs typically run $0-$0. Severity: medium.
What is the 2020-2025 Alfa Romeo Giulia Rearview Camera Blank/Inverted Image (Infotainment Recall)?
A printed-circuit-board defect and software-stability fault in the Marelli-supplied infotainment/radio unit can cause the rearview camera to display a blank, black, blue, or inverted image when reverse is selected, reducing rear visibility. This led to NHTSA recall 25V667 coverin… Repairs typically run $0-$0. Severity: medium.
What is the 2017-2022 Alfa Romeo Giulia Interior/Cabin Water Leaks (Cowl, Bulkhead, A/C Drain)?
Beyond its electrical consequences, the Giulia has a recurring water-leak problem where rain or car-wash water enters via the cowl under the windshield, a failed firewall/bulkhead seal, or a clogged A/C evaporator drain, soaking the passenger footwell carpet. Dealers report seein… Repairs typically run $150-$800. Severity: medium.
What is the 2017-2026 Alfa Romeo Giulia Front Brake Squeal and Dust?
The front brakes produce excessive squeal during light braking and generate heavy brake dust. The aggressive OEM pad compound prioritizes stopping power over noise and dust characteristics. Repairs typically run $150-$500. Severity: low.
What is the 2017-2021 Alfa Romeo Giulia Jerky / Hunting Transmission at Low Speed (ZF 8-Speed)?
The ZF 8-speed automatic, combined with throttle-by-wire and brake-by-wire, can shift harshly or hunt between gears (commonly around 3rd-4th) at low speed and light throttle, and jerk when transitioning off the auto stop-start neutral state. The behavior is exaggerated in Dynamic… Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.