2021 Porsche 911

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2021 Porsche 911 has 5 owner complaints filed with NHTSA — that's 0.1x the segment average of 80. The most common issue is fuel system problems (60% of all complaints), specifically: two separate instances of fuel line failure and fuel leak in the engine compartment. the first in march 2024 and the second in september 2025. the situations both resulted in fuel leaking on top of the hot engine components. repair requires removal of the engine and transmission. in 2024 repair time. ⚠️ 1 fire report filed.

1 fire report

Total Complaints

Recalls Issued

—/5

Safety Stars

0.1x

vs Segment Avg

Known Problems

FUEL SYSTEM

3 complaints

60%

• Two separate instances of fuel line failure and fuel leak in the engine compartment. The first in March 2024 and the second in September 2025. The situations both resulted in fuel leaking on top of the hot engine components. Repair requires removal of the engine and transmission. In 2024 repair time
• I started my car and about one minute later I heard an explosion from the rear of the vehicle and saw it engulfed in flames.
• The fuel injection problem on cylinder 2 and 4 had injector electrical faults for the last two years resulting in reduced power warning. I finally took my car to the dealer for an analysis. After their analysis here is their statement on the service invoice: "Client state check engine light comes

Typical onset: 50K miles Est. repair: $500🔥 1 fire reports

“Two separate instances of fuel line failure and fuel leak in the engine compartment. The first in March 2024 and the second in September 2025. The situations both resulted in fuel leaking on top of the hot engine components. Repair requires removal of the engine and transmission. In 2024 repair time”

— NHTSA complaint filing

SEATS/RESTRAINTS

1 complaints

20%

• THE SEAT BACK RELEASE ON BOTH SEATS IS VERY HARD TO PULL. ON THE DRIVERS SIDE THE STRAP BROKE FREE WHILE ATTEMPTING TO EXIT AND THE SEAT WOULD NOT RELEASE. THIS COULD BE A SAFETY DANGER IN A CRASH WHEN REAR SEAT OCCUPANTS WOULD NOT BE ABLE TO EXIT

Typical onset: 50K miles Est. repair: $500

“THE SEAT BACK RELEASE ON BOTH SEATS IS VERY HARD TO PULL. ON THE DRIVERS SIDE THE STRAP BROKE FREE WHILE ATTEMPTING TO EXIT AND THE SEAT WOULD NOT RELEASE. THIS COULD BE A SAFETY DANGER IN A CRASH WHEN REAR SEAT OCCUPANTS WOULD NOT BE ABLE TO EXIT”

— NHTSA complaint filing

OTHER

1 complaints

20%

• 2021 Porsche 911. Consumer writes in regards to missing computer chip for proper steering.

Typical onset: 50K miles Est. repair: $500

“2021 Porsche 911. Consumer writes in regards to missing computer chip for proper steering.”

— NHTSA complaint filing

Estimated Repair Costs

FUEL SYSTEM(~50K mi)

$500

SEATS/RESTRAINTS(~50K mi)

$500

OTHER(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 5 owner complaints for this specific year, here's what to check or ask about:

☐
FUEL SYSTEM: Two separate instances of fuel line failure and fuel leak in the engine compartment. The first in March 2024 and the second in September 2025. The situations both resulted in fuel leaking on top of the hot engine components. Repair requires removal of the engine and transmission. In 2024 repair time
Typically appears around 50K miles. Repair cost ~$500
☐
SEATS/RESTRAINTS: THE SEAT BACK RELEASE ON BOTH SEATS IS VERY HARD TO PULL. ON THE DRIVERS SIDE THE STRAP BROKE FREE WHILE ATTEMPTING TO EXIT AND THE SEAT WOULD NOT RELEASE. THIS COULD BE A SAFETY DANGER IN A CRASH WHEN REAR SEAT OCCUPANTS WOULD NOT BE ABLE TO EXIT
Typically appears around 50K miles. Repair cost ~$500
☐
OTHER: 2021 Porsche 911. Consumer writes in regards to missing computer chip for proper steering.
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)