Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

1991 Porsche 911: Problems, Recalls and MPG

What this means

NHTSA lists 4 recall campaigns for the 1991 Porsche 911, most recently filed August 1996. Owners have filed 1 complaints with NHTSA, most often about the engine.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Caution Fewer than 50 complaints filed. With this few reports, patterns may not be meaningful.
Compare

Recalls (4)

NHTSA lists 4 recall campaigns for the 1991 Porsche 911. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 1991 Porsche 911. Not checked against your VIN.
Recall 96V147000 Filed Aug 8, 1996

PORSCHE/STEERING; COLUMN

Steering · steering wheel/handle bar
Official NHTSA text
Summary
A PART OF THE STEERING COLUMN UPPER UNIVERSAL JOINT CRACKED DURING THE MANUFACTURING PROCESS.
Consequence
THIS CONDITION COULD RESULT IN NOISE AND FREE PLAY IN THE STEERING SYSTEM AND IF LEFT UNCORRECTED, WILL RESULT IN LOSS OF STEERING CONTROL.
Remedy
DEALERS WILL INSPECT THE UNIVERSAL JOINT FOR CRACKS AND WILL REPLACE CRACKED JOINTS WITH NEW PARTS.
Repair progress not yet reported12,538 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 96V147000
Listed for 1991 Porsche 911. Not checked against your VIN.
Recall 93V204000 Filed Dec 7, 1993

HEATER:WATER:DEFROSTER:DEFOGGER:CIRCUIT BREAKER FU

Electrical system · wiring · fuses and circuit breakers
Official NHTSA text
Summary
AFTER THE ENGINE HAS BEEN TURNED OFF, THE REAR HEATER WILL AUTOMATICALLY OPERATE IN ORDER TO DISSIPATE HEAT IN THE ENGINE HEATING SYSTEM. DURING THIS OPERATION, THE RESISTOR FOR THE REAR HEATER BLOWER CAN BECOME OVERLOADED DUE TO A BINDING OR SEIZED REAR HEATER BLOWER.
Consequence
THE OVERLOADED RESISTOR CAN CREATE HEAT SUFFICIENT TOIGNITE THE PLASTIC AIR PIPE TO WHICH IT IS CONNECTED, RESULTING IN AN ENGINECOMPARTMENT FIRE.
Remedy
PORSCHE DEALERS WILL INSTALL A NEW RESISTOR CONTAINING A CIRCUIT BREAKER.
Repair progress not yet reported11,346 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 93V204000
Listed for 1991 Porsche 911. Not checked against your VIN.
Recall 93V205000 Filed Dec 7, 1993

BRAKES:HYDRAULIC:POWER ASSIST:CHECK VALVE

Service brakes, hydraulic · power assist · vacuum · hoses, lines/piping, and fittings
Official NHTSA text
Summary
THE HYDRAULIC BRAKE PRESSURE REDUCTION VALVE CAUSES THE RATE OF HYDRAULIC PRESSURE REDUCTION TO SLOW DOWN, WHICH MAY RESULT IN THE REAR WHEELS LOCKING-UP EVEN WITH THE ANTI-LOCK BRAKE SYSTEM IN OPERATION.
Consequence
REAR WHEEL LOCK-UP MAY RESULT IN LOSS OF VEHICLECONTROL AND AN ACCIDENT.
Remedy
PORSCHE DEALERS WILL INSTALL A MODIFIED HYDRAULIC BRAKE PRESSURE REDUCTION VALVE.
Repair progress not yet reported1,149 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 93V205000
Listed for 1991 Porsche 911. Not checked against your VIN.
Recall 92V142000 Filed Oct 5, 1992

EQUIPMENT:SPEED CONTROL

Vehicle speed control
Official NHTSA text
Summary
THE BALL SOCKETS ON THE CRUISE CONTROL LINKAGE CAN BREAK, ALLOWING THE CRUISE CONTROL LINKAGE TO BECOME DETACHED ON ONE END AND JAM ON NEARBY COMPONENTS, WHICH COULD IMPAIR THROTTLE PLATE OPERATION.
Consequence
IMPAIRED THROTTLE PLATE OPERATION COULD PREVENT THEENGINE FROM RETURNING TO IDLE, RESULTING IN UNWANTED ENGINE SPEED AND POSSIBLEVEHICLE ACCIDENT.
Remedy
REPLACE THE CURRENT PLASTIC BALL SOCKETS WITH A NEW LINKAGE USING STEEL BALL SOCKETS, AND LUBRICATE THE CRUISE CONTROL RELAY LEVER. OWNERS ARE ADVISED NOT TO USE THE CRUISE CONTROL UNTIL THE MODIFICATION IS INSTALLED.
Repair progress not yet reported11,091 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 92V142000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (1)

1 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.

0involved a crash
0involved a fire
0injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

Complaints filed with NHTSA for the 1991 Porsche 911, by component (top 1). One complaint can list several components, so these add up to more than 1.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 1991 compares with other 911 years

Best and worst 911 years →
1 1 1 1 1 2 12 6 3 2
1984198719881990199119921995199619971998
This year (1991)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Fuel economy: up to 17 mpg combined

17
mpg combined
15
city
22
highway
EPA annual fuel cost
$4,850
CO₂ tailpipe
523 g/mi
EPA class
Minicompact Cars

What it costs you to run

$3,842per year
$320per month
882gallons a year

Miles ÷ 17 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.

EPA label estimates from lab tests; your mileage will vary.

Specs by configuration

1991 Porsche 911 configurations with EPA data
Engine · transmissionDriveCity / Hwy / CombEPA $/yrCO₂ g/mi
3.6 L 6-cyl · 5-speed manualRear-Wheel Drive15 / 22 / 17$4,850523
3.6 L 6-cyl · 5-speed manual4-Wheel or All-Wheel Drive14 / 21 / 16$5,150555
3.6 L 6-cyl · 4-speed automaticRear-Wheel Drive14 / 21 / 16$5,150555
3.3 L 6-cyl · 5-speed manualRear-Wheel Drive12 / 20 / 14$5,850635

Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 1991 911 for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All 911 years

Where to next

1991 Porsche 911 FAQ

How many recalls does the 1991 Porsche 911 have?

NHTSA lists 4 recall campaigns: 96V147000 (steering), 93V204000 (electrical), 93V205000 (brake), 92V142000 (vehicle speed control). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What are the most common 1991 Porsche 911 problems?

Owners filed 1 complaints with NHTSA. Engine (1) are mentioned most. These are owner reports, not verified findings.

What mpg does the 1991 Porsche 911 get?

EPA rates the 3.6 L 6-cyl · 5-speed manual version at 15 city, 22 highway and 17 combined mpg. Other configurations are listed in the fuel economy section.

How does the 1991 911 compare with other years?

Among the 1984–1998 Porsche 911 model years at least five years old, the 1984 drew the fewest complaints (1) and the 1995 the most (12). The 1991 drew 1. Counts are owner reports, not failure rates.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
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