CarCostCheck

SUBARU WRX (2018)

Running costs, common problems, and reliability data based on 141 real MOT tests in 2024.

MOT Pass Rate

96%

Total Tests (2024)

141

Avg Mileage

28,648 mi

Est. Annual Cost

£2,037

Is the 2018 SUBARU WRX reliable?

Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the SUBARU brand average of 83%.

At 6 years old, 96% of SUBARU WRXs from 2018 passed their MOT first time in 2024. That's based on 141 tests across the UK. The average mileage at this age is 28,648 miles.

How does the 2018 SUBARU WRX compare?

Rank among all 2018 cars93th out of 649(top 14%)
Rank among all SUBARU models11th out of 193(top 6%)
vs national average+14% (82% avg)
vs 2018 cars average+7% (89% avg)
vs SUBARU average+13% (83% avg)

Mileage Analysis

The average 2018 SUBARU WRX has 28,648 miles on the clock, which is below the expected 44,400 miles for a 6-year-old car. This suggests lighter use than average, which generally means less wear on major components.

How much does a 2018 SUBARU WRX cost to run?

Fuel (Petrol, 2457cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£2,037
Per month£170/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

SUBARU WRX by Year

YearPass RateTestsAvg Mileage
201896%14128,648 mi
201794%64036,734 mi
201695%70346,500 mi
201592%58354,244 mi
201493%75655,558 mi
201291%10269,429 mi
201190%25181,809 mi
201092%11879,656 mi

Checking a specific SUBARU WRX?

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About the 2018 SUBARU WRX

The 2018 SUBARU WRX is a large car with a 2457cc petrol engine. 141 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 14% of all 2018 cars for reliability.

With an average of 28,648 miles at 6 years old, SUBARU WRX owners tend to use this car less than the typical driver.

2018 SUBARU WRX Fuel Costs

The 2457cc petrol engine offers a reasonable balance between performance and economy. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2018 SUBARU WRX?

Total estimated annual running cost is £2,037 170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 96% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

SUBARU WRX Reliability Trend

The SUBARU WRX has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.

Buying a Used 2018 SUBARU WRX

At 6 years old, the SUBARU WRX offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.

Alternatives to the 2018 SUBARU WRX

The SUBARU WRX is actually the most reliable option among similar petrol large cars from this era. Here are comparable petrol cars with similar engines: