CarCostCheck

SUBARU IMPREZA (2021)

Running costs, reliability data, and common problems from 82 real MOT tests.

Annual Cost

£1,887

£157/month

MOT Pass Rate

72%

Average

Road Tax

£195

Flat rate/year

Insurance

Grp 12-25

1600cc Petrol

Check Carefully

72% pass rate, £1887/year to run. 10 points below average.

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Petrol1600cc5 years old82 tests75k miles avg

Annual Running Costs

Fuel (Petrol, 1600cc)

~42 mpg

£1,137
Road Tax

Flat rate (post-2017)

£195
MOT Test
£55
Predicted Repairs

Higher estimate due to low pass rate

£500
Total per year£1,887
Per month£157/mo
Per week£36/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

72% MOT pass rate(Average)
0%National avg: 82%100%

Average reliability. Expect some repairs as it ages. That's 10 points below the national average of 82%. It falls below the SUBARU brand average of 83%.

At 5 years old, 72% of SUBARU IMPREZAs from 2021 passed their MOT first time in 2026. That's based on 82 tests across the UK. The average mileage at this age is 74,592 miles.

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How Does It Compare?

Rank among 2021 cars3363th of 3,373(top 100%)
Rank among SUBARU models176th of 193(top 91%)
vs national average-10%(82% avg)
vs 2021 cars average-20%(92% avg)
vs SUBARU average-11%(83% avg)

Mileage Analysis

74,592

Average miles

vs

37,000

Expected for age

The average 2021 SUBARU IMPREZA has 74,592 miles on the clock, which is well above the expected 37,000 miles for a 5-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.

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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%. Consider a different year if reliability is a priority.

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

Similar Cars to Consider

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About the 2021 SUBARU IMPREZA

The 2021 SUBARU IMPREZA is a small family car with a 1600cc petrol engine. 82 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It sits in the bottom 100% of 2021 cars for MOT pass rates.

With an average of 74,592 miles at 5 years old, SUBARU IMPREZA owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2021 SUBARU IMPREZA Fuel Costs

The 1600cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).

What does it cost to own a 2021 SUBARU IMPREZA?

Total estimated annual running cost is £1,887 157/month), broken down as £1137 fuel, £195 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 72% pass rate. Keeping on top of servicing will help avoid surprises.

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 2021 SUBARU IMPREZA

At 5 years old, the SUBARU IMPREZA offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. Note: with only 82 tests in our data, these figures should be treated as indicative rather than definitive.

Common Issues to Watch For

Based on the 2021 SUBARU IMPREZA's fuel type, age, and engine size, these are the most likely problem areas to check.

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 2021 SUBARU IMPREZA stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
SUBARU IMPREZA(2021)72%£1137£195Grp 12-25£1887
VOLKSWAGEN GOLF(2019)92%£1137£190Grp 12-25£1582-£305
VAUXHALL CORSA(2019)88%£1137£190Grp 8-20£1732-£155
NISSAN QASHQAI(2020)93%£1137£190Grp 12-25£1582-£305
MINI COOPER(2019)92%£1137£190Grp 12-25£1582-£305

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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