CarCostCheck

SUBARU IMPREZA (2018)

Running costs, reliability data, and common problems from 329 real MOT tests.

Annual Cost

£1,777

£148/month

MOT Pass Rate

91%

Excellent

Road Tax

£195

Flat rate/year

Insurance

Grp 18-32

1998cc Petrol

Great Choice

91% pass rate, £1777/year to run. 9 points above average.

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Petrol1998cc8 years old329 tests45k miles avg

Annual Running Costs

Fuel (Petrol, 1998cc)

~36 mpg

£1,327
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs

Low estimate due to excellent reliability

£200
Total per year£1,777
Per month£148/mo
Per week£34/wk

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

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Reliability Verdict

91% MOT pass rate(Excellent)
0%National avg: 82%100%

Excellent reliability. Very few MOT failures. That's 9 points above the national average of 82%. It also outperforms the SUBARU brand average of 83%.

At 8 years old, 91% of SUBARU IMPREZAs from 2018 passed their MOT first time in 2026. That's based on 329 tests across the UK. The average mileage at this age is 44,855 miles.

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How Does It Compare?

Rank among 2018 cars302th of 649(top 47%)
Rank among SUBARU models41th of 193(top 21%)
vs national average+9%(82% avg)
vs 2018 cars average+2%(89% avg)
vs SUBARU average+8%(83% avg)

Mileage Analysis

44,855

Average miles

vs

59,200

Expected for age

The average 2018 SUBARU IMPREZA has 44,855 miles on the clock, which is below the expected 59,200 miles for a 8-year-old car. This suggests lighter use than average, which generally means less wear on major components.

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Best Year to Buy?

The most reliable year is the 2016 model with a 92% MOT pass rate, while the 2021 model has the lowest at 72%. The 2018 sits between the two at 91%.

SUBARU IMPREZA by Year

YearPass RateTestsAvg Mileage
202172%8274,592 mi
202091%12875,896 mi
201990%34353,725 mi
201891%32944,855 mi
201791%21060,514 mi
201692%32562,451 mi
201588%34666,732 mi
201484%23465,423 mi
201390%13477,231 mi
201288%15464,127 mi
201184%41777,422 mi
201085%1,59188,108 mi
200983%1,49888,078 mi
200881%1,98495,457 mi
200781%3,44794,086 mi
200682%3,34699,363 mi
200582%4,111104,834 mi
200484%3,460104,585 mi
200382%3,280108,355 mi
200284%1,991109,552 mi
200182%1,688113,881 mi
200083%1,600107,364 mi
199983%2,069110,144 mi
199884%1,185107,969 mi
199783%731102,415 mi
199685%347111,892 mi
199587%209102,719 mi
199481%124113,726 mi
199386%3692,697 mi

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About the 2018 SUBARU IMPREZA

The 2018 SUBARU IMPREZA is a family car with a 1998cc petrol engine. 329 of these vehicles were MOT tested in 2026, making it a less common model in the UK market. Among all cars from 2018, the average MOT pass rate is 89%, and this model beats that benchmark.

With an average of 44,855 miles at 8 years old, SUBARU IMPREZA owners tend to use this car less than the typical driver.

2018 SUBARU IMPREZA Fuel Costs

The 1998cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 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 IMPREZA?

Total estimated annual running cost is £1,777 148/month), broken down as £1327 fuel, £195 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 91% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

SUBARU IMPREZA Reliability Trend

Newer SUBARU IMPREZAs show better MOT pass rates than older ones, with an average improvement of 3 percentage points.

Buying a Used 2018 SUBARU IMPREZA

At 8 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 92%.

Common Issues to Watch For

Based on the 2018 SUBARU IMPREZA's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 8 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.

Suspension Wear

Medium risk

Shock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.

Service History

Low risk

Always request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.

Running Costs Compared

How the 2018 SUBARU IMPREZA stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
SUBARU IMPREZA(2018)91%£1327£195Grp 18-32£1777
FORD FOCUS(2016)87%£1137£135Grp 12-25£1677-£100
VOLKSWAGEN GOLF(2019)92%£1137£190Grp 12-25£1582-£195
FORD KUGA(2018)90%£1137£190Grp 12-25£1582-£195
MINI COOPER(2018)92%£1137£190Grp 12-25£1582-£195

Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.

Related Subaru Models

Explore other Subaru cars or similar models in the same category.

Related Guides

In-depth articles relevant to the Subaru Impreza.

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