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Subaru Forester X Boxer Diesel Reliability, MOT Pass Rate & Common Faults

Free Subaru Forester X Boxer Diesel car check

Is the Subaru Forester X Boxer Diesel reliable? We analysed 1,377 real MOT tests across 110 vehicles to find out.

Got a specific Subaru Forester X Boxer Diesel? Enter the reg for a free check:

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Data last updated: · Based on 1,377 real MOT tests
MOT Pass Rate
79.2%
Typical Mileage
77,364mi
Annual Mileage
8,377mi/yr
Est. Lifespan
16yrs

The Subaru Forester X Boxer Diesel is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Subaru Forester X Boxer Diesel.

Subaru Forester X Boxer Diesel Number Plates

Number plates registered to a Subaru Forester X Boxer Diesel. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Subaru Forester X Boxer Diesel MOT Pass Rate by Year

How likely is a Subaru Forester X Boxer Diesel to pass its MOT? Here's the pass rate for each registration year, newest first.

80.3%
2013
80.1%
2012
75.8%
2011
72.8%
2010

Subaru Forester X Boxer Diesel Common Faults & Problems

These are the most common serious faults found on Subaru Forester X Boxer Diesel models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth below requirements of 1.6mm 11

Subaru Forester X Boxer Diesel Mileage — What's Normal?

How many miles does a typical Subaru Forester X Boxer Diesel owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,231 mi/yr
Typical
8,377 mi/yr
Average
8,801 mi/yr
Heavy usage
11,643 mi/yr

Subaru Forester X Boxer Diesel MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Subaru Forester X Boxer Diesel year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2013 517 80.3% 48,767 72,710 103,256
2012 387 80.1% 51,762 80,378 112,232
2011 327 75.8% 52,274 76,213 105,368
2010 92 72.8% 55,618 86,047 114,292

How Long Does a Subaru Forester X Boxer Diesel Last?

Based on 110 Subaru Forester X Boxer Diesel vehicles on UK roads.

Average
11.8 years
Median
12.0 years
Estimated max lifespan
16 years

Subaru Forester X Boxer Diesel Mileage Distribution

Total mileage recorded across all Subaru Forester X Boxer Diesel MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
77,364 mi
75th Percentile
107,472 mi
95th Percentile
146,159 mi
Max Recorded
224,856 mi

Best Year to Buy a Used Subaru Forester X Boxer Diesel

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

Best year
2013

80.3% MOT pass rate from 517 tests

Year to avoid
2010

72.8% MOT pass rate from 92 tests

The best year to buy a used Subaru Forester X Boxer Diesel is 2013, which has the highest MOT pass rate at 80.3% across 517 tests. The 2010 model year has the lowest pass rate at 72.8% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Subaru Forester X Boxer Diesel Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Subaru Forester X Boxer Diesel THIS CAR 79.2% 1,377 77,364 mi 16 yrs
Subaru Impreza 75.7% 915,729 83,083 mi 33 yrs
Subaru Forester 76.1% 456,470 85,220 mi 29 yrs
Subaru Legacy 72.5% 349,986 96,000 mi 35 yrs
Audi A5 S Ln Blk ED 40 TFSI MHEV Sa 91.7% 1,138 26,455 mi — yrs

Compared to the Subaru Impreza (75.7% pass rate) and the Subaru Forester (76.1% pass rate), the Subaru Forester X Boxer Diesel outperforms both on MOT reliability.

Found a Subaru Forester X Boxer Diesel you like?

Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.

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Should you buy a used Subaru Forester X Boxer Diesel?

The Subaru Forester X Boxer Diesel has an overall MOT pass rate of 79.2% across 1,377 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Subaru Forester X Boxer Diesel with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.

A typical Subaru Forester X Boxer Diesel owner drives around 8,377 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 Subaru Forester X Boxer Diesel models stay on UK roads for around 16 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.

Subaru Forester X Boxer Diesel — Frequently Asked Questions

Is the Subaru Forester X Boxer Diesel reliable?
Based on 1,377 MOT tests, the Subaru Forester X Boxer Diesel has a 79.2% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Subaru Forester X Boxer Diesel?
The most common failure point is general wear and tear.
How many miles does a Subaru Forester X Boxer Diesel do per year?
The typical Subaru Forester X Boxer Diesel does around 8,377 miles per year. Anything significantly above or below this is worth investigating.
How long does a Subaru Forester X Boxer Diesel last?
Most Subaru Forester X Boxer Diesel models stay on UK roads for around 16 years based on our analysis of 110 vehicles.
Should I get a vehicle check before buying a Subaru Forester X Boxer Diesel?
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 Subaru Forester X Boxer Diesel?
Based on MOT pass rates, the best year to buy a used Subaru Forester X Boxer Diesel is 2013 with a 80.3% pass rate across 517 tests.