1998 Lotus Elise — MOT failures & pass rate
The 1998 Lotus Elise passed 85.4% of its 3,430 recorded MOT tests. Against all cars of a similar age (25.5% fail rate), the 1998 Elise comes out 10.9pp better. Failures cluster in lighting & signalling, emissions & environmental and visibility.
What the MOT record shows
No single area dominates — lighting & signalling (9.6%) and emissions & environmental (7.0%) are close, so failures are spread across several systems rather than one weak point.
At component level the recurring items are catalyst emissions, position lamp and headlamp aim — catalyst emissions alone was recorded 354 times.
Mileage matters less than usual here: the 1998 Elise fails 9.2% of the time in the 0-30k band and 13.0% at 150k+, a spread of only 3.7 points.
Suspension is the most common advisory, noted on 14.1% of tests — work that passed today but is likely due soon.
The trend is improving — the fail rate fell from 15.8% in 2021 to 14.1% in 2025, as the worst-kept examples leave the fleet.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 9.6% | 330 |
| 2 | Emissions & environmental | 7.0% | 240 |
| 3 | Visibility | 4.0% | 138 |
| 4 | Suspension | 2.2% | 77 |
| 5 | Brakes | 2.1% | 71 |
| 6 | Tyres | 1.2% | 42 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Catalyst emissions | 354 |
| 2 | Position lamp | 165 |
| 3 | Headlamp aim | 150 |
| 4 | Washers | 100 |
| 5 | Stop lamp | 71 |
| 6 | Wipers | 46 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 14.1% | 482 |
| 2 | Brakes | 10.7% | 367 |
| 3 | Other defects | 7.9% | 272 |
| 4 | Tyres | 7.2% | 246 |
| 5 | Visibility | 3.9% | 132 |
| 6 | Steering | 3.8% | 131 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 595 | 9.2% |
| 30-60k | 1,206 | 13.9% |
| 60-90k | 986 | 15.9% |
| 90-120k | 442 | 19.5% |
| 120-150k | 120 | 20.8% |
| 150k+ | 77 | 13.0% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 696 | 15.8% |
| 2022 | 708 | 14.1% |
| 2023 | 703 | 14.9% |
| 2024 | 664 | 14.0% |
| 2025 | 659 | 14.1% |
What to check before buying a 1998 Elise
The failure pattern for this year is specific enough to inspect against: lighting & signalling accounted for 9.6% of tests. Start there.
- Lighting & signalling (9.6% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Emissions & environmental (7.0% of tests): More common on older diesels (DPF/EGR) — can be expensive; check for warning lights and smoke. Typical repair: £100–£600.
- Visibility (4.0% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 1998 Lotus Elises pass their MOT?
85.4% of the 3,430 1998 Lotus Elise MOT tests in this dataset passed — a 14.6% fail rate.
What is the most common MOT failure on a 1998 Lotus Elise?
Lighting & signalling, recorded in 9.6% of tests, followed by emissions & environmental (7.0%).
Does the 1998 Elise get worse with mileage?
Its MOT fail rate rises from 9.2% in the 0-30k band to 13.0% in the 150k+ band.
Methodology & source. Based on 3,430 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.