Toyota Corolla Gs D (1999)

108 real MOT outcomes analysed • 21.9% first-time pass rate

1999 Toyota Corolla Gs D

CarHunch analysed 108 real MOT records for the 1999 Toyota Corolla Gs D. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

This 1999 Corolla GS diesel is a genuine reliability concern: only 22% pass first time compared to the UK average of 80%, and with zero dangerous defects recorded across 108 vehicles, the failures are widespread but not catastrophic. The median mileage of 166,000 miles is reasonable for a 25-year-old car, but these diesels are generating an average of 0.4 failures per test, suggesting systemic wear across multiple systems rather than isolated problems.

At this age and mileage, you're looking at a car where basic maintenance has often been neglected—the near-zero advisory rate hints that owners aren't catching small issues before they become failures. If you're considering one, budget for immediate repairs and get a pre-purchase inspection that focuses on the fuel system, engine bay seals, and exhaust, as these are typical failure points on ageing Corollas of this generation.

Below average reliability 58.1% below UK average
21.9%
pass MOT first time
UK average: ~80%
165,969
typical mileage
129,101–219,727 middle half
0%
ever had a dangerous defect
recorded at any MOT
0.4
avg MOT failures per car
over 1.9 tests on record

What to check before buying a 1999 Toyota Corolla Gs D

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Toyota Corolla Gs D

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Mileage Distribution

Most 1999 Toyota Corolla Gs D vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

129,101
low mileage
165,969
typical
219,727
high mileage

Half of all 1999 Toyota Corolla Gs D vehicles fall between 129,101 and 219,727 miles.

1999 Toyota Corolla Gs D — Still on the Road

Numbers are declining — 10 vehicles still getting MOTs in 2021 (36% of peak).

28 10 2018 2021

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2018–2021.

MOT History Averages

1.9
Avg MOT tests per vehicle
0.4
Avg failures per vehicle
0
Avg advisories per vehicle

Found a specific Toyota Corolla Gs D?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK

Other model years — Toyota Corolla Gs D:

1998