Aston Martin DBX — MOT statistics 2024

The Aston Martin DBX failed 4.61% of 521 first MOT attempts in 2024 ("first-time", excluding retests). Adjusted for the age of the fleet, its initial-failure ratio is 36.8 (100 = expected for its age profile). This car fails its MOT about 63% less often than expected for its age. Small sample — treat with care.

Age-adjusted peer: BMW M5 (index 36.7) — the two published results are 0.1 index points apart.

Aston Martin DBX common problems: what actually fails the MOT

Visibility is well below the reference at 1.4 per 100 tests, against 4.4 per 100 tests across UK vehicles of the same ages.

higher bar = fails more oftenrate per 100 tests

family vs national — matched to UK vehicles of the same ages — top component groups, per 100 tests. Legend: This family · National avg. Combined labels: family / national average. This model rarely fails at all: the groups below rest on 33 failed items in total, so read them as a shape, not a rate. A gap here reflects how these vehicles are driven, used and maintained as well as how they were built — an MOT defect is a test outcome, not a breakdown.

Aston Martin DBX MOT advisories: what gets flagged

Tyres stand out at 16.7 per 100 tests.

higher bar = flagged more oftenadvisory items per 100 initial tests

Advisories are wear the tester noted but didn't fail — what will need money soon.

Adjusted for how much these are actually driven

The headline index adjusts for the fleet's age. Wear, though, follows mileage: a three-year-old taxi and a three-year-old garage queen sit in the same age band. These two rows compare every car with vehicles of the same age, and then with vehicles of the same age and the same annual mileage, 2019-2024, on 715 tests. Both stand on the six-year corpus so they are measured on identical data — compare them with each other, not with the headline index above, which is measured on 2024 alone.

Mileage matters here: matching on how much these are driven moves the figure by 4.4 points — this fleet is driven less than the vehicles it is measured against, so the age-only view flatters it — but it does not change which side of normal the car sits on. One limit to keep in mind: mileage is partly a result of how often a car breaks down — one that spends weeks in the workshop covers fewer miles — so the mileage-matched figure can understate a real weakness. Tests with no usable odometer reading are left out of it.

How the Aston Martin DBX compares with cars of its own age and size

Not against the whole fleet — against cars of the same size class tested at the same age, 2019-2024.

Raw first-time failure rates within each age, so fleet age cannot flatter either side. A positive difference means this model fails more often than its own class at that age.

How does the Aston Martin DBX perform as it gets older?

The Martin DBX at age 4 is well below the reference at 4.2%, against 13.1% for all vehicles of the same age.

higher = larger sharecompare shares in percentage points

Chart axes: car age, years · failure-rate scale 0–16%.

Takeaway: solid line: this family; dashed: all cars.

How dangerous are Aston Martin DBX MOT failures?

Major defects are well below the reference at 3.8 per 100 tests, against 52.8 per 100 tests nationally.

higher bar = fails more oftenrate per 100 tests

Chart values: Minor 0.8 · Major 3.8 · Dangerous 1.7.

Per 100 tests on this family. National average: Minor 14.2 · Major 52.8 · Dangerous 11.2 per 100.

Does the month of an Aston Martin DBX MOT matter?

Jun is highest at 10.8%; Jan is lowest at 0.0% — the gap is 10.8 percentage points.

higher = larger sharecompare shares in percentage points

Chart scale: -1%–33%.

bars: Aston Martin DBX · dashed: all class-4 cars

Takeaway: the spread between best and worst month is 10.8 percentage points — noticeable seasonality. Seasonality partly reflects registration-date clustering, not weather.

Before reading the shape: most of it is not about cars. Britain changes its registration plates twice a year, and 18.9% of these cars were first registered in March with another17.1% in September — 36% in two months against the 17% an even spread would give. An MOT falls due three years after first registration, so the buying calendar becomes the testing calendar. That shapes how many cars are tested each month — not how often they fail: the busiest months here are not the worst ones, so read the failure line on its own and the volume behind it separately.

Aston Martin DBX average mileage by age

At age 4, the middle half of Martin DBX models runs from 18,821 miles to 33,757 miles, against 25,224 miles as the median.

further right = more milesmedian is the typical car; band is p25–p75

line: median · band: middle half of the fleet (p25–p75)

A typical 4-year-old Martin DBX has ~25,224 miles on the clock. Much more — ask why; much less — check for gaps in the MOT history.

Aston Martin DBX survival: which cars are still on the road

By age 4 is close to the reference at 100.0%, against 100.0% at the ages 4–6 reference level.

higher = larger sharecompare shares in percentage points

By age 4, only about 100% as many cars of this family present for MOT as at ages 4–6 (reference n≈171); survivors still fail at 4.1% vs 4.1% at age 4. Older cars that still appear are a selected subset — weaker ones have already left.

How many years is an Aston Martin DBX likely to last?

estimateObserved only until age 4. The curve does not run five years past the stated age with the share still tested under 50%, so no 'years left' number is given.

Aston Martin DBX running costs for a fleet

Vehicles failing at age 4 are well below the reference at 4.0%, against 5.0% at age 3, tested in the same year.

higher = larger sharecompare shares in percentage points

No single year stands out as the point where this model starts costing more: the year-to-year steps in its failure rate are too small or rest on too few tests to name one (D1 rule: a step is named only with at least 2,000 tests on both sides and a jump above 3 percentage points).

Repair spend uses the same modal prices as the section above, so it inherits the same limits: one typical repair per component group, not a full remedy. Downtime is the gap between the failed test and the passed re-test, which is the window a vehicle is legally off the road.

Aston Martin DBX rust problems: where they corrode

Salt-belt exposure is well below the reference at lowest percentile, against 50th percentile as the middle of published models.

higher = larger sharecompare shares in percentage points

This Aston Martin DBX has too few tests to judge for corrosion once age is held constant, and its owners live in areas that are gentler than most for the models we publish.

Corrosion is the one failure mode that is as much about geography as about the car. We keep the two apart on purpose: a model can look rusty simply because it is popular in Scotland, and a model can look clean simply because it is bought in Surrey. Blending them into a single score would hide which of the two is doing the work.

Exposure is this model's tests weighted by an area corrosion index built from frost days, salt load and distance to the coast — the composite validated at r = 0.42 against corrosion defects we actually record. It is published as a rank, not a raw score, because every mainstream model skews towards low-corrosion areas for the simple reason that most of Britain's cars are in the south. Susceptibility is standardised to the national age profile, so an old fleet does not get labelled a rusty model.

Aston Martin DBX safety recalls and how to check yours

DVSA recall campaigns stand out at 4.

bigger number = more recorded casescompare like-for-like scope, not sample size alone

DVSA lists 4 safety recall campaigns for the Aston Martin DBX, covering roughly 867 vehicles in total. A recall is the manufacturer fixing a fault for free, so an open recall on your car costs nothing to clear.

Counter-intuitive, and measured on our own data: across the 25 families published here, more recalls go with a lower MOT Risk Index (r = −0.52). Heavily recalled models are not worse cars in the test bay — an active manufacturer removes the fault before it becomes an MOT failure.

Check whether a specific car has an outstanding recall — free, by registration — at DVSA's recall service. Source: DVSA vehicle safety recalls (check-vehicle-recalls.service.gov.uk), OGL.

Aston Martin DBX MOT: quick answers

Aston Martin DBX MOT Risk Index is well below the reference at 36.8, against 100 for a car with the same age profile.

below 100 is betterabove 100 is worse100 = normal for this model at that age

What is the Aston Martin DBX first-time MOT pass rate?

95.39% of first attempts passed in 2024 (521 tests). This is the first-time figure: retests after repair are excluded. Basis: first-time, excluding retests.

Why does this number differ from other sites?

Other sites often report a pass rate that includes retests or counts all attempts. Our 4.61% figure is the first-time initial failure rate, using 521 primary tests as the denominator (first-time, excluding retests). The age-adjusted MOT initial-failure ratio 36.8 is shown separately because raw rates compare fleet age as well as cars.

Compare the Aston Martin DBX with other cars

McLaren 570 is highest at 37.3; BMW M5 is lowest at 36.7 — the gap is 0.6 points.

below 100 is betterabove 100 is worse100 = normal for this model at that age

Same brand

All Aston Martin MOT statisticsAston Martin DB7 MOT statsAston Martin Rapide MOT stats

Similar risk

BMW M5 (index 36.7)Aston Martin DB7 (index 37.1)McLaren 570 (index 37.3)

Same size class

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