Porsche9112004Overview/porsche/911/2004/base/

2004 Porsche 911

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 911.

Body PASSENGER CARTransmission Manual 6-spd

The 2004 Porsche 911, classified as a passenger car, carries a manual six‑speed transmission and delivers EPA‑rated fuel economy of 14 mpg city, 21 mpg highway and 16 mpg combined. In its ownership history the model accumulated 16 total complaints, the majority concerning the engine, and it was subject to only two recall campaigns. Across the 1990‑2014 span the car’s complaint volume peaked at 50 in 2007 but was as low as one in 1991, placing the 2004 year in the lower‑mid tier of reliability concerns.

Model year202620252024202320222021202020192004

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Lug nut torque96 ft-lbsOEM · verified
EPA fuel economy14/21/16 mpgEPA · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 0PB115499A. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter0PB115499A alt 99610722553
Engine air filter99611013152 alt 99611013171
Fuel filter99611025352
Spark plug99917023890 alt 99917019590
Battery9A7915089G alt 9A7915105
Front wiper blades99662890111
Serpentine belt99610215195 alt 99610215192
Thermostat99610612554 alt 99610612573
Cabin air filter99757121902

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionManual 6-spd

Dimensions & weight NHTSA vPIC

Overall length174.4 in
Overall width69.7 in
Overall height51.6 in
Wheelbase92.5 in
Curb weight3274 lb
Track (front / rear)57.9 / 61 in

Ratings & economy EPA / vPIC

EPA city / highway / combined14 / 21 / 16 mpg
DrivetrainRear-Wheel Drive
Recommended fuelPremium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the 911 of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

3.7–5.7 sec0–60 mph (tested)quickest 3.70 sec — 2004 Turbo X50 Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
2004Turbo X50 Coupe 3.6L Twin-Turbo F-63.70 sec11.86 sec450 hpAWD
2004GT3 Coupe 3.6L F-63.90 sec12.07 sec380 hpRWD
2004GT3 Coupe 3.6L F-64.00 sec12.30 sec380 hpRWD
2004GT3 Coupe 3.6L F-64.00 sec12.30 sec380 hpRWD
2004GT3 Coupe 3.6L F-64.20 sec12.40 sec380 hpRWD
2004Turbo Cabriolet 3.6L Twin-Turbo F-64.20 sec12.60 sec415 hpAWD
2004GT3 Coupe 3.6L F-64.50 sec12.90 sec380 hpRWD
200440th Anniversary Edition Coupe 3.6L F-64.70 sec13.10 sec345 hpRWD

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine 75W-90 · GL-5 in the differential. Torque lug nuts to 96 ft-lbs. The firing order is 1-5-3-6-2-4.

Lubricants & capacities

Automatic Transmission FluidPDK Clutch and hydraulics: Pentosin FFL3
Automatic Transmission Fluid Capacity4.8-6.0
Automatic Transmission FluidPorsche part number 000043204-201
Automatic Transmission Fluid Capacity4.8-6.0
Differential Gear Oil75W-90 · GL-5
Differential Gear Oil Capacity2 Pints
Manual Transmission FluidPorsche part number 00004320419
Manual Transmission Fluid Capacity5.5

Chassis torques

Lug Nuts96 ft-lbs
Transfer Case Fill Plug21.0-22.0 ft-lbs
Transfer Case Drain Plug21.0-22.0 ft-lbs

Ignition

Cylinder Firing Order1-6-2-4-3-5
Cylinder Firing Order1-5-3-6-2-4
Spark Plug Gap0.028 in
Spark Plug Torque16.0-22.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.93-2.00 lbs
Oil GroupPAG
Oil TypeND 8 oil
Oil Capacity6.58 oz
RefrigerantR134a
Refrigerant Capacity2.00 lbs
Oil GroupPAG

Brakes

Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Minimum Shoe Thickness0.079 in

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 15,000 mi; coolant every 15,000 mi. The big-interval services (every 15,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 15,000 miCabin Air Filter (replace) · Headlamp (inspect alignment) · Headlamp Washer System (inspect fluid level) · Power Steering System (inspect) · Tire & Wheel Assembly (inspect) · Underbody (inspect)
Every 15,000 miBody Lock Cylinders (lubricate) · Cruise Control System (inspect) · Engine Coolant System (leak inspection) · Engine Coolant System Hoses (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace)
Every 30,000 miCabin Air Filter (replace) · Engine Air Filter Element (replace) · Exhaust System (Complete) (inspect) · Headlamp (inspect alignment) · Headlamp Washer System (inspect fluid level) · Parking Brake System (inspect)
Every 60,000 miAccessory Drive Belt (inspect) · Fuel Filter (replace)
Every 90,000 miDrive Axle Assembly (drain & refill) · Final Drive (drain & refill) · Transmission Assembly (drain & refill) · Transmission Fluid & Filter (replace)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2004 Porsche 911 sits within a generation that experienced a noticeable increase in complaints from the early 1990s, peaking in 2007 with 50 complaints, while recalls remained low—only one recall that year and none in 2004. In the immediate years surrounding 2004, complaints were modest: 5 in 2000, 8 in 2001, and a jump to 50 in 2007, indicating a rising trend that did not yet reach its apex at the target year. The 2004 model reported six engine‑related complaints, five engine‑cooling complaints, and a single steering/suspension issue, with no fire complaints and only three crash complaints, showing a concentration in power‑train areas but overall lower incident counts than later years. Given that the recall count in 2004 was zero, the vehicle benefits from a relatively clean recall history compared to the sharp increase seen in subsequent years. Consequently, 2004 represents a transitional point before the surge in complaints, suggesting it is a reasonable year to buy if the vehicle has been well maintained and inspected for the identified engine and cooling components.

2
Open recalls
NHTSA campaigns
389
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
16
Owner complaints
3 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 16 complaints on record, top 7 components.

Engine6
Engine & Engine Cooling5
Steering,Suspension1
Power Train,Structure,Engine1
Air Bags,Vehicle Speed Control1
Air Bags1
Structure1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

20E091000Suspension:Front:Macpherson StrutReported 11/12/2020

Ohlins USA, Inc (Ohlins) is recalling certain Front Struts, part number POS 5N20. These struts were sold as part of Ohlins strut kits part number POZ MN02, intended for installation on 1999-2005 Porsche 911 Carrera 4… Remedy: Ohlins will notify owners, and dealers will request the return of all unsold kits containing the subject part from dealer/distributor inventory for a full refund. All owners who…

Technical service bulletins NHTSA · verified

Showing 5 of 389 bulletins on record with NHTSA.

BulletinDateComponentSummary
40/26 44072026-06-30WheelsWheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to…
TSTR26362026-06-29Unknown Or OtherPorsche Tester Software Update Information Software Version: 44.200.031
TSTR26352026-06-29Unknown Or OtherPorsche Tester Software Update Information Software Version: 44.200.030
20/262026-06-25EngineOverview of Approved Porsche C20 Engine Oils (20/26)
19/26 17012026-06-25EngineOverview of Approved Porsche C30 Engine Oils (19/26)

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific 911. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 2004 911 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 911 get?

EPA figures are 14 city / 21 highway / 16 combined mpg.