2004 Porsche 911 Porsche 911 2004

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2004 Porsche 911 repairs by problem area

Engine (26%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (3%)

Suspension and Steering (15%)

Electrical and Air Conditioning (32%)

Paint, Rust, Leaks, Rattles, and Trim (6%)

Other (12%)

Chart based on 34 repairs.
See TSBs and recalls for the 2004 Porsche 911.

2004 Porsche 911 engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (20%)

$500 - $999 (20%)

$100 - $499 (20%)

< $100 (40%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 10 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2004 Porsche 911

Engine not specified

61000 mi

US $1800
Failure in air/oil separator 

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2004 Porsche 911 2dr Coupe

turbocharged 415hp 3.6L H6 6-speed manual AWD

34720 mi

C $600
Oil pressure sensor beginning to fail. Intermittent warning light. Replaced. 

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2004 Porsche 911 2dr Coupe

320-horsepower 3.6L H6 6-speed manual AWD

90858 mi

US $1105
Replace Water Pump, hose, coolant 

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2004 Porsche 911 2dr Coupe

320-horsepower 3.6L H6 5-speed shiftable automatic RWD

57200 mi

US $1050
Replaced one catalytic converter. 

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2004 Porsche 911 2dr Convertible

turbocharged 415hp 3.6L H6 6-speed manual AWD

68000 mi

US $250
Replaced transmission mount 

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2004 Porsche 911 2dr Convertible

320-horsepower 3.6L H6 6-speed manual RWD

42900 mi

US $240
Misfire and loss of power temporarily and engine light came on. One coil failed. Stopped and restarted the car and was able to drive normally but engine light stayed on. 
65100 mi

US $70
replaced defective electrics of ignition switch 

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2004 Porsche 911 2dr Convertible

320-horsepower 3.6L H6 6-speed manual AWD

68510 mi

€673
RMS (rear main seal) was replaced. Clutch replacement (1st one). Total repair cost was relatively low because transmission was already out of the car due to RMS replacement. 

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See TrueDelta's information for all Coupes and Convertibles.
See TrueDelta's information for all Porsche models.

2004 Porsche 911 Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2004 Porsche 911 problems occur, check out our car reliability stats.