1999 Porsche 911 3.4L Petrol · C4 PGX
1999 Porsche 911 (3.4L, petrol). First registered 24 Jul 1999. Recorded mileage 92,075 miles. MOT expired on 03 Oct 2024.
- Make & Model
- PORSCHE 911
- Year / Origin
- 1999 · Cardiff
- Safety Recall
- Unknown
- MOT Status
- Expired on 03 Oct 2024
- Road Tax
- —
- Recorded Mileage
- 92,075 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.4L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
C4 PGX Key Findings
- 17 MOT tests recorded
- Latest MOT passed on 05/10/2023
- 92,075 miles recorded at latest MOT
- 8 historical MOT failures
- 2 defects noted at the latest MOT
- Recurring brakes items (53 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
C4 PGX MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
17 MOT tests are recorded for this 1999 Porsche 911 (C4 PGX) between March 2006 and October 2023.
The record contains 9 passes and 8 failures.
The most recent test on 05 October 2023 was a pass, although the earlier record includes 8 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (53 issues), Tyres (32 issues), Lighting (10 issues), Windscreen (8 issues), Exhaust & Emissions (3 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 78 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Offside Rear fog lamp not working (4.5.1 (a) (ii))”; “Nearside Headlamp aim too high (4.1.2 (a))”; “Parking brake efficiency below requirements (1.4.2 (a) (i))”.
C4 PGX Mileage History
- 16/03/200658,722 mi
- 16/03/200658,722 mi
- 05/03/200773,024 mi+14,302 mi
- 05/03/200773,024 mi
- 08/04/200894,263 mi+21,239 mi
- 25/09/200985,645 mi-8,618 mi
- 09/10/200985,645 mi
- 09/05/201189,279 mi+3,634 mi
- 09/05/201189,279 mi
- 09/03/201590,604 mi+1,325 mi
- 09/03/201590,604 mi
- 10/06/201691,104 mi+500 mi
- 13/06/201691,106 mi+2 mi
- 03/03/202191,238 mi+132 mi
- 01/04/202191,267 mi+29 mi
- 05/10/202392,075 mi+808 mi
- 05/10/202392,075 mi
Average of roughly 1,900 miles per year across 17 recorded odometer readings.
Recorded mileage decreased between one or more tests — a potential clocking indicator worth verifying before purchase.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for Porsche Porsche 911 (996)
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Below Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
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PORSCHE 911 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 1999 model year cars.
- IMS Bearing FailureSerious
Early M96 engines can suffer intermediate shaft bearing failure, leading to major internal damage.
- Rear Main Seal Oil LeakModerate
The rear main seal between engine and gearbox degrades over time, causing oil to leak into the bellhousing area. Often mistaken for IMS failure.
- Coolant Pipe FailuresModerate
The coolant crossover pipes and thermostat housing o-rings perish, causing coolant loss and potential overheating. Plastic degrades with heat cycles.
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