Problems owners report
Complaints filed with NHTSA about the 1999 Porsche 911, by the system named in each complaint. One complaint can name several.
- Seat belts3
- Engine and engine cooling2
- Engine2
- Electrical system2
- Service brakes1
- Air bags1
- Steering1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
New York safety inspections
At its first New York inspection the 1999 Porsche 911 failed the safety check 0.86% of the time — 51% less often than the average 1999 passenger car (1.76%). Median odometer at inspection: 67,283 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Engines
The most common engines in 1999 Porsche 911 cars on Dutch roads are the 3.4 petrol (221 kW, 296 hp) and 3.6 petrol (265 kW, 355 hp).
| Engine | Power | Cars |
|---|---|---|
| 3.4 petrol | 221 kW 296 hp | 504 |
| 3.6 petrol | 265 kW 355 hp | 28 |
RDW Open Data (CC0): registered passenger cars and their fuel data · engine size rounded to 0.1 litre, net maximum power · versions with at least 20 cars
In the Netherlands
565 first registered in 1999 are on Dutch roads; 72% arrived later as imports. Median list price when new: €129,505.
Most common APK defects
- Bandenspanning niet op juiste waarde309
- Dimlicht onjuist afgesteld75
- Overmatige vloeistoflekkage overige vloeistoffen63
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm55
- Stadslicht werkt niet (goed)52
- Band onvoldoende profiel41
- Ruitenwisserinstallatie geeft onvoldoende zicht38
- Richtingaanwijzers kleur wijkt af/niet toegestaan34
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
669 cars built in 1999 were licensed for the road at the end of 2025, and 567 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
MOT test results in Great Britain
In 2023, 1,246 of these cars first registered in 1999 took their annual MOT test. 80% passed first time; among all cars first registered in 1999 the figure was 63%.
| Failed on | These cars | All cars from 1999 |
|---|---|---|
| Lamps, reflectors and electrical equipment | 10.3% | 16.6% |
| Brakes | 5.1% | 12.2% |
| Noise, emissions and leaks | 3.5% | 7.3% |
| Suspension | 3.0% | 13.1% |
| Body, chassis, structure | 2.7% | 9.3% |
| Visibility | 2.7% | 6.9% |
DVSA anonymised MOT tests and results, 2023 (Department for Transport) · Open Government Licence v3.0 · first tests only; a fix made at the test station within the hour still counts as a fail
In Finland
48 of these cars first registered in 1999 were in use in Finland on 30 Jun 2026, with an average of 162,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
50 1999 cars are on the New Zealand register; 30% arrived as used imports, 60% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
VEHICLE DESCRIPTION: PASSENGER VEHICLES. INCORRECT PROGRAMMING OF THE ELECTRONIC LOGIC UNIT CAN CAUSE AN INCORRECT FUEL LEVEL.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Porsche told its dealers about the 1999 Porsche 911: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 621480 | TECHNICAL PROCEDURES FOR INSTALLING THE RADIO FACEPLATE. *TT |
| 609898 | THE REPLACEMENT OF TIPTRONIC TRANSMISSION.YD |
| 609853 | INSTALLATION OF CHROME PLATED TAILPIPES. |
| 609790 | RECOMMENDED PROCEDURES WHEN WORKING WITH VACUUM LINES AND HOSES. YD |
| 609788 | ASSEMBLING THE HARDTOP AND WHEEL STORAGE SYSTEM AND WALL MOUNTED HOLDER. YD |
| 603128 | TECHNICAL INFORMATION REGARDING NEW SPARK PLUGS. *YC |
| 602295 | CONCERNS REGARDING THE ADDITIONS / CORRECTIONS TO THE OWNER'S MANUAL. *YC |
| 10252578 | Special tools and equipment information for the Boxster, Cayman, 911, and Panamera |
| 10251154 | Information for PIWIS tester update 42.500.020 |
| 10251139 | Product knowledge for the chassis and VIN numbering systems |
| 10251135 | Information for PIWIS tester update 42.500.008 |
| 10249916 | Information on PIWIS tester update 42.500.005 |
| 10246417 | Information for PIWIS tester update 42.300.050 & .052 |
| 10246387 | Instructions on manufactures certificate for approved Porsche A40 engine oils |
| 10246385 | Instructions on manufactures certificate for approved Porsche C30 engine oils |
| 10246384 | Instructions on manufacturers certificate for approved C20 engine oils |
| 10246374 | Information for PIWIS tester update 42.300.040 & .041 |
| 10246372 | Information for PIWIS tester update 42.300.035 |
| 10246369 | Information for PIWIS tester update 42.300.030 - .032 |
| 10246366 | Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY |
| 10244982 | Special tools and equipment information on PIWIS tester update 42.250.050 |
| 10243631 | Information on PIWIS tester update 42.250.045 |
| 10243630 | Information on PIWIS tester update 42.250.042 |
| 10243625 | Information PIWIS tester update 42.250.040 |
| 10243617 | Information on PIWIS tester update 42.250.032 |
NHTSA manufacturer communications (public domain)