1998 Mazda MX-5 1.8L Petrol · S243 COJ
1998 Mazda MX-5 (1.8L, petrol). First registered 12 Aug 1998. Recorded mileage 99,087 miles. MOT valid until 27 Jul 2027. Taxed until 01 May 2027.
- Make & Model
- MAZDA MX-5
- Year / Origin
- 1998 · Glasgow
- Safety Recall
- Unknown
- MOT Status
- Valid until 27 Jul 2027
- Road Tax
- Taxed (01 May 2027)
- Recorded Mileage
- 99,087 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 1.8L
- 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.
S243 COJ Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 28/07/2026
- 99,087 miles recorded at latest MOT
- 1 historical MOT failure
- 2 defects noted at the latest MOT
- Recurring brakes items (2 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
S243 COJ MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 1998 Mazda Mx-5 (S243 COJ) between July 2023 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 28 July 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (2 issues), Tyres (1 issue), Exhaust & Emissions (1 issue), Suspension (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 5 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: “Exhaust carbon monoxide content after 2nd fast idle exceeds default limits (8.2.1.2 (b))”.
S243 COJ Mileage History
- 29/07/202386,561 mi
- 12/07/202489,770 mi+3,209 mi
- 15/07/202592,200 mi+2,430 mi
- 15/07/202592,209 mi+9 mi
- 28/07/202699,087 mi+6,878 mi
Average of roughly 4,178 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Mazda Mazda MX-5 (NA, late UK cars)
Our database tracks 5 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Good
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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DISCOVERY
MAZDA MX-5 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 1998 model year cars.
- Rear Sill and Inner Arch RustSerious
Late NA shells commonly rot around the rear sill sections ahead of the back wheels, often from the inside out after years of damp and blocked drains.
- Hood Drain and Rain-Rail Water IngressModerate
Blocked drains or an ageing rain rail let water into the cabin and rear cavities, accelerating sill corrosion and leaving carpets damp.
- Clutch Slave Cylinder Hydraulic Fluid Leakage and Pedal FailureModerate
Late Mk1 MX-5 models frequently suffer clutch hydraulic failures due to internal seal degradation and cylinder bore corrosion in the clutch slave cylinder, which is mounted low on the side of the transmission bellhousing exposed to UK road splash. Leaking hydraulic fluid causes a spongy clutch pedal that progressively loses resistance, drops to the floor and fails to disengage the clutch, making 1st and reverse gears almost impossible to engage from a standstill. Because the clutch and brake systems share similar fluid maintenance regimes, dirty moisture-laden DOT 4 fluid accelerates the failure. Replacing the slave cylinder along with a braided flexi-hose and fresh fluid is a standard UK independent repair.
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