2004 Porsche 911 Porsche 911 2004

We are 106,000+ car owners sharing real-world car information.

Join Us

2004 Porsche 911 repairs by problem area

Engine (24%)

Transmission and Drivetrain (6%)

Brakes and Traction Control (3%)

Suspension and Steering (15%)

Electrical and Air Conditioning (33%)

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

Other (12%)

Chart based on 33 repairs.
See TSBs and recalls for the 2004 Porsche 911.

2004 Porsche 911 repair cost distribution

$2500+ (6%)

$1000 - $2499 (25%)

$500 - $999 (9%)

$100 - $499 (31%)

< $100 (28%)

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

Chart based on 32 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

Porsche 911 in California, United States
May 2014 - Dec 2014
Aug 2014

30000 mi

US $35
Replaced voltage regulator on the alternator 
Porsche in Texas, United States
May 2014 - Dec 2014
Dec 2014

61000 mi

US $1800
Failure in air/oil separator 
Porsche 911 in Great Britain
Aug 2015 - Aug 2015
Aug 2015

62000 mi

£750
diagonal control arms lower suspension control arm - coffin arms 

Return to top

2004 Porsche 911 2dr Coupe

turbocharged 450hp 3.6L H6 5-speed shiftable automatic AWD

Porsche 911 in Illinois, United States
Feb 2015 - Apr 2017
Mar 2015

94000 mi

US $3123
Passenger side window actuator failed, engine light on, ABS light on 
Jun 2015

33000 mi
Infotainment system constantly reboots every 5-10 minutes 
Jun 2016

45000 mi

US $2190
Entire HVAC system failed. Had no A/C nor heat. Air flow fan speed also failed. 
Oct 2016

48700 mi

US $1600
speed sensor failure, ABS sensor failure 
Apr 2017

57000 mi

US $1400
Window switch and regulator replacement 

Return to top

2004 Porsche 911 2dr Coupe

turbocharged 415hp 3.6L H6 6-speed manual AWD

Porsche 911 in Ontario, Canada
May 2014 - Jun 2018
Sep 2015

34720 mi

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

Return to top

2004 Porsche 911 2dr Coupe

380-horsepower 3.6L H6 6-speed manual RWD

Porsche 911 in Washington, United States
May 2012 - Jun 2018
Dec 2012

29200 mi

US $774
replaced alternator 

Return to top

2004 Porsche 911 2dr Coupe

320-horsepower 3.6L H6 6-speed manual RWD

Porsche 911 in Oregon, United States
May 2014 - Mar 2018
May 2017

32000 mi

US $100
Trunk lid gas struts 

Return to top

2004 Porsche 911 2dr Coupe

320-horsepower 3.6L H6 6-speed manual AWD

Porsche 911 in Colorado, United States
Aug 2017 - Aug 2018
Sep 2017

85000 mi

US $115
Install new coffee cup holder and also perform Pre Purchase Inspection. 
Aug 2018

90858 mi

US $1481
Replace Water Pump, hose, coolant Right front CV boot replaced 

Return to top

2004 Porsche 911 2dr Coupe

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

Porsche 911 in Massachusetts, United States
May 2014 - Jun 2018
Jul 2014

56200 mi

US $350
Window regulator 
Apr 2015

57200 mi

US $1050
Replaced one catalytic converter. 

Return to top

2004 Porsche 911 2dr Convertible

turbocharged 450hp 3.6L H6 6-speed manual AWD

Porsche 911 in Ohio, United States
May 2014 - Jun 2018
Mar 2016

98000 mi

US $200
replaced hydrauloc cylinders on rear spoiler 

Return to top

2004 Porsche 911 2dr Convertible

turbocharged 415hp 3.6L H6 6-speed manual AWD

Porsche 911 in Colorado, United States
Oct 2014 - Jun 2018
May 2015

51000 mi

US $300
Replaced clutch accumulator. 
Jul 2016

54000 mi

US $2100
Power steering reservoir replaced 
Porsche 911 in Pennsylvania, United States
May 2014 - Mar 2018
Jun 2016

43000 mi

US $200
Replaced rear driver side brake light socket and wiring harness. 

Return to top

2004 Porsche 911 2dr Convertible

320-horsepower 3.6L H6 6-speed manual RWD

Porsche 911 in Florida, United States
May 2012 - Jun 2018
Sep 2012

19000 mi

US $268
Ignition switch worn out and changed 
Feb 2016

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. 
Mar 2016

43000 mi

US $1200
Left rear window went down and would not come back up and then a grinding noise. Replaced window motor, cable and associated parts. 
Jun 2016

45000 mi
Hydraulics for roof leaking and roof would not open or close properly. Cylinders reconditioned and replaced. 
Nov 2016

47500 mi

US $1100
Right rear window went down and would not come back up 
Jan 2017

49200 mi

US $315
Left front window regulator 
Sep 2017

55000 mi

US $6000
Unable to get into reverse. Clutch held once in gears 1-6 but trouble engaging. Hydraulic fluid missing. Slave master leak. Replaced Slave and clutch and once their also changed IMS bearing. Drove off away from garage and then water pump failure. 
Mar 2018

61000 mi

US $450
Sway bar bushings are worn out. Bushings and linkages replaced. 
Porsche 911 in Kansas, United States
May 2014 - Mar 2015
May 2014

61000 mi

US $50
Voltage regulator failure 
Nov 2014

65100 mi

US $70
replaced defective electrics of ignition switch 

Return to top

2004 Porsche 911 2dr Convertible

320-horsepower 3.6L H6 6-speed manual AWD

Porsche 911 in Portugal
- Nov 2012
Nov 2012

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. 

Return to top

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

2004 Porsche 911 Repair Histories

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.

Website Security Test