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Verdict

2011 Porsche 911: Complaints, Recalls & Known Issues

What the public record actually says about the 2011 Porsche 911 — every figure below is a NHTSA or EPA number, not an opinion.

The read

Fewer reported complaints than most coupe.

Owners filed 2 NHTSA complaints — fewer complaints than 75% of 2011 coupes. Engine leads the reports (50%). No safety recalls on record.

Based on NHTSA complaint volume against 2011 coupes, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.

Complaints filed

2

Reports to NHTSA, 2011

Safety recalls

0

NHTSA campaigns on record

NHTSA crash test

Not rated

Overall NCAP rating

Combined MPG

21

EPA estimate

Complaint volume vs. segment peers

Fewer complaints than 75% of 2011 coupes

The bar is this car's percentile among 2011 coupes by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.

Known issues

Engine issues lead owner complaints (50% of 2 reports), followed by engine and engine cooling (50%).

Engine50% · 1 report
Engine And Engine Cooling50% · 1 report

Share of all 2 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 10510147.

Recalls

0 recalls — none issued for this model year as of Jul 2026. Recall records can change as NHTSA publishes new campaigns.

A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.

Investigations

0 NHTSA investigations on record

No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.

Crash-test ratings

No NHTSA crash test is on record for this year. Some vehicles and model years were not tested or do not have a published NCAP result.

Fuel economy by trim

TrimEngineDrivetrainCityHwyCombined
911 Carrera3.6L 6-cylRear-Wheel Drive192722
911 Speedster3.8L 6-cylRear-Wheel Drive192621
911 GTS Cabriolet3.8L 6-cylRear-Wheel Drive182621
911 GTS Cabriolet3.8L 6-cylRear-Wheel Drive192621
911 GTS3.8L 6-cylRear-Wheel Drive192621
911 Carrera S Cabriolet3.8L 6-cylRear-Wheel Drive182621
911 Carrera S Cabriolet3.8L 6-cylRear-Wheel Drive192621
911 Carrera S3.8L 6-cylRear-Wheel Drive192621
911 Carrera Cabriolet3.6L 6-cylRear-Wheel Drive182521
911 Carrera Cabriolet3.6L 6-cylRear-Wheel Drive192621
911 Carrera 4S Targa3.8L 6-cylAll-Wheel Drive192621
911 Carrera 4S Cabriolet3.8L 6-cylAll-Wheel Drive192621
911 Carrera 4S3.8L 6-cylAll-Wheel Drive182521
911 Carrera 4S3.8L 6-cylAll-Wheel Drive182621
911 Carrera 4 Targa3.6L 6-cylAll-Wheel Drive182521
911 Carrera 4 Targa3.6L 6-cylAll-Wheel Drive182621
911 Carrera 4 Cabriolet3.6L 6-cylAll-Wheel Drive182521
911 Carrera 4 Cabriolet3.6L 6-cylAll-Wheel Drive182621
911 Carrera 43.6L 6-cylAll-Wheel Drive182421
911 Carrera 43.6L 6-cylAll-Wheel Drive182621
911 Carrera3.6L 6-cylRear-Wheel Drive182521
911 GTS3.8L 6-cylRear-Wheel Drive182520
911 Carrera S3.8L 6-cylRear-Wheel Drive182520
911 Carrera 4S Targa3.8L 6-cylAll-Wheel Drive182420
911 Carrera 4S Cabriolet3.8L 6-cylAll-Wheel Drive182420
911 Turbo S Coupe3.8L 6-cylAll-Wheel Drive172419
911 Turbo S Cabriolet3.8L 6-cylAll-Wheel Drive162419
911 Turbo Coupe3.8L 6-cylAll-Wheel Drive162419
911 Turbo Coupe3.8L 6-cylAll-Wheel Drive172419
911 Turbo Cabriolet3.8L 6-cylAll-Wheel Drive162419
911 Turbo Cabriolet3.8L 6-cylAll-Wheel Drive162419
911 GT2 RS3.6L 6-cylRear-Wheel Drive162319
911 GT3 RS3.8L 6-cylRear-Wheel Drive142016
911 GT33.8L 6-cylRear-Wheel Drive142116
911 GT3 RS4.0L 6-cylRear-Wheel Drive131915

EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.

Before you buy

Useful next checks

Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.

Check recalls by VINConfirm open campaigns for the specific car.

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Compare model years

2010201120122013Most complained201420152016201720182019202020212022202320242025

"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.

2011 Porsche 911: frequently asked

What does the complaint record show for the 2011 Porsche 911?

Owners filed 2 NHTSA complaints about the 2011 Porsche 911 — fewer complaints than 75% of comparable 2011 coupes, so it sits toward the stronger end of its class. That's a signal, not a guarantee about any single car.

What are the most common problems on the 2011 Porsche 911?

The most-reported problem areas are Engine (50% of complaints) and engine and engine cooling (50%).

How many recalls does the 2011 Porsche 911 have?

No safety recalls are on record for the 2011 Porsche 911 as of Jul 2026.

What gas mileage does the 2011 Porsche 911 get?

The EPA rates the 2011 Porsche 911 between 15 and 22 mpg combined, depending on trim and drivetrain.