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Triumph Spitfire MK4 Reliability, MOT Pass Rate & Common Faults

Free Triumph Spitfire MK4 car check

Is the Triumph Spitfire MK4 reliable? We analysed 783 real MOT tests across 129 vehicles to find out.

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Data last updated: · Based on 783 real MOT tests
MOT Pass Rate
73.7%
Typical Mileage
41,838mi
Annual Mileage
291mi/yr
Est. Lifespan
55yrs

The Triumph Spitfire MK4 is about average for reliability based on real UK MOT data. Common problems include parking brake: efficiency below requirements, suspension component mounting prescribed area is excessively corroded and brake binding. Here's everything you need to know before buying a used Triumph Spitfire MK4.

Triumph Spitfire MK4 Number Plates

Number plates registered to a Triumph Spitfire MK4. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Triumph Spitfire MK4 MOT Pass Rate by Year

How likely is a Triumph Spitfire MK4 to pass its MOT? Here's the pass rate for each registration year, newest first.

71.5%
1972
74.6%
1971

Triumph Spitfire MK4 Problems — What Goes Wrong?

The most common reasons a Triumph Spitfire MK4 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Parking brake: efficiency below requirements 53
Suspension component mounting prescribed area is excessively corroded 36
brake binding 32
Stop lamp not working 29
parking brake recording little or no effort 22
Horn not working 22
position lamp(s) not working 22
wheel bearing has excessive play 20
Windscreen washer provides insufficient washer liquid 20
Headlamp not working on dipped beam 19

Triumph Spitfire MK4 Mileage — What's Normal?

How many miles does a typical Triumph Spitfire MK4 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
76 mi/yr
Typical
291 mi/yr
Average
973 mi/yr
Heavy usage
746 mi/yr

Triumph Spitfire MK4 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Triumph Spitfire MK4 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1972 246 71.5% 19,432 48,343 70,762
1971 401 74.6% 12,329 28,243 68,716

How Long Does a Triumph Spitfire MK4 Last?

Based on 129 Triumph Spitfire MK4 vehicles on UK roads.

Average
42.1 years
Median
42.0 years
Estimated max lifespan
55 years

Triumph Spitfire MK4 Mileage Distribution

Total mileage recorded across all Triumph Spitfire MK4 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
41,838 mi
75th Percentile
72,594 mi
95th Percentile
93,901 mi
Max Recorded
99,518 mi

Best Year to Buy a Used Triumph Spitfire MK4

Based on MOT pass rates across all registration years with sufficient test data.

Best year
1971

74.6% MOT pass rate from 401 tests

Year to avoid
1972

71.5% MOT pass rate from 246 tests

The best year to buy a used Triumph Spitfire MK4 is 1971, which has the highest MOT pass rate at 74.6% across 401 tests. The 1972 model year has the lowest pass rate at 71.5% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Triumph Spitfire MK4 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Triumph Spitfire MK4 THIS CAR 73.7% 783 41,838 mi 55 yrs
Triumph Bonneville 90.1% 235,206 7,823 mi 53 yrs
Triumph Tiger 90.6% 196,853 17,026 mi 32 yrs
Triumph Sprint 87.3% 158,613 21,242 mi 33 yrs
Audi Q5 Sport 50 TFSI E QUATTRO S-a 92.2% 296 35,517 mi — yrs

Compared to the Triumph Bonneville (90.1% pass rate) and the Triumph Tiger (90.6% pass rate), the Triumph Spitfire MK4 trails behind on MOT reliability.

Found a Triumph Spitfire MK4 you like?

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Should you buy a used Triumph Spitfire MK4?

The Triumph Spitfire MK4 has an overall MOT pass rate of 73.7% across 783 real MOT tests — roughly in line with the UK average.

The most common problems on the Triumph Spitfire MK4 are parking brake: efficiency below requirements (53 recorded failures), suspension component mounting prescribed area is excessively corroded (36), and brake binding (32). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Triumph Spitfire MK4 owner drives around 291 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Triumph Spitfire MK4 models stay on UK roads for around 55 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Triumph Spitfire MK4 — Frequently Asked Questions

Is the Triumph Spitfire MK4 reliable?
Based on 783 MOT tests, the Triumph Spitfire MK4 has a 73.7% pass rate — about average for UK cars.
What are the common problems on a Triumph Spitfire MK4?
The most common MOT failures are parking brake: efficiency below requirements, suspension component mounting prescribed area is excessively corroded, and brake binding. Check these on any test drive.
How many miles does a Triumph Spitfire MK4 do per year?
The typical Triumph Spitfire MK4 does around 291 miles per year. Anything significantly above or below this is worth investigating.
How long does a Triumph Spitfire MK4 last?
Most Triumph Spitfire MK4 models stay on UK roads for around 55 years based on our analysis of 129 vehicles.
Should I get a vehicle check before buying a Triumph Spitfire MK4?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Triumph Spitfire MK4?
Based on MOT pass rates, the best year to buy a used Triumph Spitfire MK4 is 1971 with a 74.6% pass rate across 401 tests.