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Subaru B9 Tribeca MOT Pass Rate & Official DVSA Failure Statistics

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74.6% Below average

645 tests across 3 model years, 2006–2008.

−6.4 pts vs the national average

MOT PASS RATES

How the Subaru B9 Tribeca really fares

74.6% of its MOTs pass — over 645 class-4 tests, 2023–2025

Pass rates

Every figure on this page comes from the DVSA's MOT test record.

The Subaru B9 Tribeca MOT pass rate is 74.6%, −6.4 percentage points below the UK average. That is 645 DVSA MOT tests recorded between 2006 and 2008. This page lists the most common Subaru B9 Tribeca MOT failures by category, names the best and worst model years, and finishes with a pre-MOT checklist you can run at home.

Subaru B9 Tribeca MOT History and Failure Rates vs UK National Average

The Subaru B9 Tribeca passed on its first attempt in 69.4%, and its overall record sits −6.4 percentage points below the national average for all cars. These figures come from every recorded DVSA MOT test for the Subaru B9 Tribeca in the 2023–2025 data: 645 tests across 3 model years (2006–2008). A test still carries exactly one pass or fail verdict.

MeasureThis model
Tests analysed645
Overall pass rate74.6%
Passed on first attempt69.4%
Average mileage at test101,590 mi
Model years covered2006–2008 (3 years)
Versus UK national average−6.4 pts below

Figures are computed from every recorded DVSA test for this model in the 2023–2025 data.

Most Common Subaru B9 Tribeca MOT Problems by Failure Category

Every MOT failure a tester records belongs to one inspection section of the DVSA manual. For the Subaru B9 Tribeca, the Suspension section leads the record — the breakdown below shows where the recorded failures cluster, then the exact strings behind the three biggest sections.

Inspection section Share of failures Est. recorded instances
Suspension 41% 130
Lamps, reflectors and electrical equipment 36% 115
Body, chassis, structure 10% 33
Noise, emissions and leaks 7% 23
Brakes 4% 12
Visibility 2% 5

Shares are over the Subaru B9 Tribeca's recorded defect strings, merged across its year pages.

Suspension

Around 41% of the recorded Subaru B9 Tribeca failures fall in the Suspension section of the MOT inspection manual. Testers recorded "Ball joint dust cover severely deteriorated" (7.6%), "Coil spring fractured or broken" (6.4%), "Pins and bushes pin or bush excessively worn" (5.3%) among the Subaru B9 Tribeca's suspension faults.

Lamps, reflectors and electrical equipment

Around 36% of the recorded Subaru B9 Tribeca failures fall in the Lamps, reflectors and electrical equipment section of the MOT inspection manual. Testers recorded "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" (8.4%), "Position lamp not working" (4.3%), "Stop lamp not working" (4.0%) among the Subaru B9 Tribeca's lamps, reflectors and electrical equipment faults.

Body, chassis, structure

Around 10% of the recorded Subaru B9 Tribeca failures fall in the Body, chassis, structure section of the MOT inspection manual. Testers recorded "Joints constant velocity boot severely deteriorated" (5.1%) among the Subaru B9 Tribeca's body, chassis, structure faults.

Top Recorded Subaru B9 Tribeca DVSA MOT Test Statistics & Defect Descriptions

The descriptions below are the exact DVSA failure strings testers recorded most often for the Subaru B9 Tribeca, each with how many of the model's 645 tests it was noted on.

  • "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" (Minor) — noted on about 54 Subaru B9 Tribeca tests, 8.4% of the model's MOT record.
  • "Ball joint dust cover severely deteriorated" (Minor) — noted on about 49 Subaru B9 Tribeca tests, 7.6% of the model's MOT record.
  • "Coil spring fractured or broken" (Major) — noted on about 41 Subaru B9 Tribeca tests, 6.4% of the model's MOT record.
  • "Pins and bushes pin or bush excessively worn" (Major) — noted on about 34 Subaru B9 Tribeca tests, 5.3% of the model's MOT record.
  • "Joints constant velocity boot severely deteriorated" (Minor) — noted on about 33 Subaru B9 Tribeca tests, 5.1% of the model's MOT record.
  • "Position lamp not working" (Major) — noted on about 28 Subaru B9 Tribeca tests, 4.3% of the model's MOT record.

Best and Worst Subaru B9 Tribeca Model Years by Pass Rate

The strongest Subaru B9 Tribeca model year on record is 2008 (75.2% across 258 tests), and the weakest is 2006 (73.4%). The gap between them is 1.8 points. Years with fewer than 50 recorded tests are excluded, so these are the years with enough MOT history to mean something.

Subaru B9 Tribeca reliability is improving in the DVSA data — the pass rate moves about 0.9 points a year across the most recent model years shown above.

Year Tests Pass rate First attempt Avg mileage Most common failure
2008 B9 Tribeca 258 75.2% 70.6% 96,938 mi Registration plate lamp(s) inoperative in the case o
2007 B9 Tribeca 218 74.8% 69.6% 107,376 mi Ball joint dust cover severely deteriorated
2006 B9 Tribeca 169 73.4% 67.2% 100,457 mi Registration plate lamp(s) inoperative in the case o

Newest model year first. Only years with at least 50 recorded tests are listed.

Pre-MOT Inspection Checklist for Subaru B9 Tribeca Owners

These checks follow this Subaru B9 Tribeca's own most-recorded failure strings, starting with what a tester is most likely to flag on a Subaru B9 Tribeca.

  • the lights — “registration plate lamp(s) inoperative in the case of multiple lamps or light sources”

    Switch everything on and walk round the car: both headlamps on dip and main, every indicator, both brake lights, reverse, fog and the two number-plate lamps. A bulb is a few pounds and a five-minute job.

  • the suspension joints — “ball joint dust cover severely deteriorated”

    With the car parked on level ground, rock the top of each front wheel in and out while someone watches the suspension arm. Clunks, or rubber boots split and greasy, are what testers record here.

  • the coil springs — “coil spring fractured or broken”

    Look up inside each wheel arch with a torch, all the way round the spring. A snapped spring usually breaks at the very bottom coil, where a quick glance will not reach.

Derived from the DVSA failure strings testers recorded for the Subaru B9 Tribeca. A check that finds nothing means the item is likely fine, not that the test is guaranteed.

Frequently Asked Questions: Subaru B9 Tribeca MOT & Reliability

What is the Subaru B9 Tribeca MOT pass rate?

74.6% of the 645 recorded Subaru B9 Tribeca MOT tests ended in a pass, −6.4 percentage points below the national average. 69.4% of those passed on the first attempt.

Which Subaru B9 Tribeca model years pass the MOT most often?

2008 is the strongest Subaru B9 Tribeca year on record at 75.2%, while 2006 is the weakest at 73.4%. The year-by-year table below lists every model year with at least 50 recorded tests.

What are the most common Subaru B9 Tribeca MOT failures?

The most recorded Subaru B9 Tribeca failures are "Registration plate lamp(s) inoperative in the case of multiple lamps or light sources" and "Ball joint dust cover severely deteriorated" — together around 16% of tests, mostly in the Lamps, reflectors and electrical equipment section.