PorscheBoxster1999Overview/porsche/boxster/1999/base/

1999 Porsche Boxster

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1999 Boxster.

Transmission Automatic 5-spd

The 1999 Porsche Boxster Overview denotes a model that, across its production years from 1997 to 2024, accumulated 28 total owner complaints and two recalls, placing its 1999 instance between the peak of 34 complaints recorded in 1998 and the single complaint observed in 2008. It is equipped with an automatic five‑speed transmission and achieves EPA‑rated 15 city, 22 highway, and 17 combined miles per gallon. Consequently, the 1999 Boxster sits in the middle of its historical complaint curve, reflecting a typical level of owner dissatisfaction for that era.

Model year201620152014201320122011201020091999

Quick specs

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

Lug nut torque96 ft-lbsOEM · verified
EPA fuel economy15/22/17 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 99610722560. 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.

Tail / brake / turnLIGHTOEM · verified

OE service part numbers OEM · verified

Engine oil filter99610722560
Engine air filter99611013104
Fuel filter99611025301
Spark plug99917020190
Battery9A7915105
Front wiper blades99662890111
Serpentine belt99610215167 alt 99610215168
Thermostat99610612554 alt 99610632651
Cabin air filter99757121902

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 5-spd

Dimensions & weight NHTSA vPIC

Overall length170.9 in
Overall width70.1 in
Overall height50.8 in
Wheelbase95.3 in
Curb weight2760 lb
Track (front / rear)57.9 / 60.2 in
Weight distribution (front / rear)46/54

Ratings & economy EPA / vPIC

EPA city / highway / combined15 / 22 / 17 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 Boxster of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

5.2–6.6 sec0–60 mph (tested)quickest 5.20 sec — 2000 S Convertible
YearTrim / engine0–60¼ mileHPDrivetrain
1998Convertible 2.5L F-66.00 sec14.50 sec201 hpRWD
1998Convertible 2.5L F-66.10 sec14.70 sec201 hpRWD
1998Convertible 2.5L F-66.30 sec14.80 sec201 hpRWD
2000S Convertible 3.2L F-65.20 sec13.80 sec250 hpRWD
2000S Convertible 3.2L F-65.30 sec13.90 sec250 hpRWD
2000S Convertible 3.2L F-65.50 sec13.90 sec250 hpRWD
2000S Convertible 3.2L F-65.80 sec14.30 sec250 hpRWD
2000Convertible 2.7L F-66.20 sec14.90 sec217 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

Differential Gear Oil75W-90 · GL-5
Differential Gear Oil Capacity1.7 Pints
Engine CoolantFILLED WITH PORSCHE LIFTIME COOLANT

Chassis torques

Lug Nuts96 ft-lbs

Ignition

Cylinder Firing Order1-6-2-4-3-5
Cylinder Firing Order1-5-3-6-2-4
Spark Plug Gap0.031-0.035 in
Spark Plug Torque15.0-21.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.87 lbs
Oil TypeND 8 oil
Oil Capacity6.59 oz

Brakes

Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Minimum Shoe Thickness0.079 in
Vented Rotor Minimum Thickness for ReplacementFront: .866; Rear: .709
Vented Rotor Minimum Thickness after RefinishFront: .890; Rear: .732
Variation from Parallelism Thickness Variation.0008
Maximum Rotor Runout.001
Maximum Drum DiameterParking Brake: 6.496

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.

At 15,000 miAxle Shaft Oil Seal (inspect) · Body Latches, Locks & Hinges (inspect) · Brake Line (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace) · Engine Air Filter Element (inspect)
Every 15,000 miBrake Hydraulic System (inspect fluid level) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Universal Vehicle Operation (read dtcs)
Every 30,000 miAxle Shaft Oil Seal (inspect) · Body Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace)
Every 60,000 miAccessory Drive Belt (inspect) · Fuel Filter (replace)
Every 90,000 miFinal 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 1999 Porsche Boxster generated 28 federal complaints, down from the 1998 peak of 34 but still elevated above the 1997 baseline of 23, while recalls continued their downward trajectory to just 2 from the 5 issued in 1997. This positions the 1999 model at the descent of the first generation's initial reliability arc, immediately preceding the sharp improvement seen in 2000 when complaints plummeted to 5. Engine and Engine Cooling dominates the 1999 dataset with 15 of the 28 total complaints, and with zero fire incidents and only one crash-related complaint, the safety profile appears statistically contained. However, the concentration of mechanical grievances and the fact that 1999 sits just before the 2000 reliability inflection point suggests lingering early-production vulnerabilities. Consequently, while 1999 represents an improvement over 1998, the data indicates it remains a higher-risk proposition than 2000-2004 models, making it a cautious rather than optimal purchase for this generation.

2
Open recalls
NHTSA campaigns
153
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
28
Owner complaints
1 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 28 complaints on record, top 8 components.

Engine & Engine Cooling15
Air Bags4
Seat Belts2
Engine & Engine Cooling,Electrical System1
Air Bags,Equipment1
Electrical System,Air Bags,Seat Belts1
Electrical System,Air Bags1
Tires1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 3 campaigns on record for this vehicle.

03V004000Power Train:Automatic TransmissionReported 23/01/2003

CERTAIN 2-DOOR CONVERTIBLE PASSENGER VEHICLES EQUIPPED WITH THE TIPTRONIC (AUTOMATIC) TRANSMISSION MAY HAVE BEEN PRODUCED WITH AN INCORRECTLY ADJUSTED KEY-LOCK-CABLE DOWN TO THE SHIFT SELECTOR. IF THE KEY-LOCK-CABLE IS… Remedy: DEALERS WILL INSPECT THE CABLE ADJUSTMENT AND, REGARDLESS OF THE RESULTS OF THIS INSPECTION, THE KEY-LOCK-CABLE MUST ALSO BE ADJUSTED. OWNER NOTIFICATION BEGAN JULY 15, 2003…

09E012000Exterior LightingReported 07/04/2009

SABERSPORT IS RECALLING 16,270 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE… Remedy: SABERSPORT WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON MAY 11, 2009. OWNERS MAY CONTACT SABERSPORT AT…

Technical service bulletins NHTSA · verified

Showing 5 of 153 bulletins on record with NHTSA.

BulletinDateComponentSummary
No. 24042024-03-15EquipmentSpecial tools and equipment information for the Boxster, Cayman, 911, and Panamera
No. 24032024-03-14Service Brakes, HydraulicSpecial tools and equipment information for brake caliper pins for the 911, Boxster, and…
PIWIS2401j2024-02-09Unknown Or OtherInformation for PIWIS tester update 42.500.020
PIWIS2302s2023-11-17EquipmentInformation for PIWIS tester update 42.300.050 & .052
No. 33-232023-11-14EquipmentInstructions on manufactures certificate for approved Porsche C30 engine oils

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 Boxster. 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 1999 Boxster have open recalls?

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

What gas mileage does the Boxster get?

EPA figures are 15 city / 22 highway / 17 combined mpg.