2015 Subaru WRX · 1,071 MOT tests
2015 Subaru WRX reliability
2015 Subaru WRXs fail 9.2% of first MOT tests, 57% fewer MOT fails than the average car its age and mileage, ranking 2 of 4 WRX years (1,071 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Subaru WRXs: 10.8%)
- 9.2%
- first-time fail rate (all Subaru WRXs: 10.8%)
- fails than cars of the same age and mileage
- 57% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 8
- 47,456
- typical miles at its MOT, aged about 8
- MOT tests, 2022 to 2024
- 1,071
- MOT tests, 2022 to 2024
Year on year
2015 against the years either side
- 2014 cars: 53% fewer MOT fails than the average car its age (the 2015 car does better)
- 2016 cars: 59% fewer MOT fails than the average car its age (the 2015 car does worse)
- Weak spot: exhaust, emissions and leaks, 2.6% of tests fail here (65% above cars of the same age and mileage).
- Strong point: brakes, 67% fewer fails than comparable cars.
- Plates: a 2015 car carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
Common problems
What fails on a 2015 Subaru WRX
Fail rate by area
- Tyres2.6%
- Exhaust, emissions and leaks2.6%
- Lights and electrics2.5%
- Brakes1.4%
- Windscreen, wipers and mirrors1.3%
- Suspension0.7%
- Body, chassis and structure0.4%
Average for cars of the same age and mileage
Top failures
Carbon monoxide high after fast idle 0.93%
High carbon monoxide can point to engine or catalytic converter faults, so ask for diagnosis before buying.
Tyre ply or cords exposed 0.84%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre pressure monitoring system faulty 0.84%
A faulty tyre pressure monitor cannot warn about low tyre pressure, so check tyres manually and have the fault diagnosed.
Lambda reading outside specified limits 0.65%
An out-of-range lambda reading suggests poor fuel mixture or a failing catalytic converter, so diagnosis is needed.
Registration plate lamp not working 0.65%
A dark number plate lamp makes the plate hard to read at night, which is illegal and must be fixed.
Brake pads worn below 1.5mm 0.56%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Common advisories
Tyre worn close to legal limit (9.8%) · Brake pads wearing thin (4.3%) · Brake disc pitted or scored (2.43%) · Tyre slightly damaged or cracking (2.24%) · Coil spring showing some corrosion (2.15%) · Exhaust has minor gas leak (1.49%)
Other years
Every Subaru WRX year
The full picture: Subaru WRX reliability. Before you pay for any Subaru WRX, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2015 Subaru WRX reliable?
2015 Subaru WRXs fail 9.2% of first MOT tests, 57% fewer MOT fails than the average car its age and mileage, ranking 2 of 4 WRX years (1,071 DVSA tests, 2022 to 2024).
What fails on a 2015 Subaru WRX MOT?
Most often carbon monoxide high after fast idle (0.93% of tests), tyre ply or cords exposed (0.84% of tests), tyre pressure monitoring system faulty (0.84% of tests).
How many miles should a 2015 Subaru WRX have done?
At its MOT aged about 8, a typical 2015 Subaru WRX shows 47,456 miles. Much higher or lower is worth asking about.
What plate is a 2015 car?
A car first registered in 2015 carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
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