CarCostCheck

MAZDA 6 (2016)

Running costs, reliability data, and common problems from 11,771 real MOT tests.

Annual Cost

£2,047

£171/month

MOT Pass Rate

84%

Good

Road Tax

£315

Based on CC/year

Insurance

Grp 18-32

1998cc Petrol

Solid Option

84% pass rate, £2047/year to run. Close to the national average.

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Petrol1998cc10 years old11,771 tests79k miles avg

Annual Running Costs

Fuel (Petrol, 1998cc)

~36 mpg

£1,327
Road Tax

Based on 1998cc

£315
MOT Test
£55
Predicted Repairs
£350
Total per year£2,047
Per month£171/mo
Per week£39/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

84% MOT pass rate(Good)
0%National avg: 82%100%

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 10 years old, 84% of MAZDA 6s from 2016 passed their MOT first time in 2026. That's based on 11,771 tests across the UK. The average mileage at this age is 78,854 miles.

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How Does It Compare?

Rank among 2016 cars419th of 586(top 72%)
Rank among MAZDA models211th of 483(top 44%)
vs national average+2%(82% avg)
vs 2016 cars average-1%(85% avg)
vs MAZDA average+3%(81% avg)

Mileage Analysis

78,854

Average miles

vs

74,000

Expected for age

The average 2016 MAZDA 6 has 78,854 miles on the clock, which is in line with the expected 74,000 miles for a 10-year-old car, suggesting normal everyday use.

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Best Year to Buy?

The most reliable year is the 2020 model with a 94% MOT pass rate, while the 2002 model has the lowest at 54%. The 2016 sits between the two at 84%.

MAZDA 6 by Year

YearPass RateTestsAvg Mileage
202193%11826,540 mi
202094%1,78631,783 mi
201991%7,38144,030 mi
201889%5,15155,840 mi
201787%7,76468,812 mi
201684%11,77178,854 mi
201582%11,89888,374 mi
201480%11,14497,838 mi
201380%7,682103,079 mi
201275%5,149103,925 mi
201174%7,535117,021 mi
201073%9,673121,783 mi
200973%7,396124,353 mi
200871%6,498124,138 mi
200768%4,401109,611 mi
200669%2,430105,119 mi
200564%1,596100,805 mi
200462%76399,968 mi
200363%35698,803 mi
200254%14098,087 mi

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About the 2016 MAZDA 6

The 2016 MAZDA 6 is a family car with a 1998cc petrol engine. 11,771 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. Among all cars from 2016, the average MOT pass rate is 85%, and this model falls short of that benchmark.

With an average of 78,854 miles at 10 years old, MAZDA 6 owners drive about as much as the UK average.

2016 MAZDA 6 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 2016 MAZDA 6?

Total estimated annual running cost is £2,047 171/month), broken down as £1327 fuel, £315 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

MAZDA 6 Reliability Trend

Newer MAZDA 6s show better MOT pass rates than older ones, with an average improvement of 18 percentage points.

Buying a Used 2016 MAZDA 6

At 10 years old, the MAZDA 6 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2020 model has the highest pass rate at 94%. With 11,771 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2016 MAZDA 6's fuel type, age, and engine size, these are the most likely problem areas to check.

Timing Chain / Belt

Watch out

At 10 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.

Rust and Corrosion

Watch out

At 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.

Suspension Bushings

Watch out

Rubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.

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 2016 MAZDA 6 stacks up against similar cars for annual running costs, insurance, and tax.

CarPass RateFuel/yrTax/yrInsuranceTotal/yr
MAZDA 6(2016)84%£1327£315Grp 18-32£2047
FORD FOCUS(2014)80%£1137£135Grp 12-25£1677-£370
NISSAN QASHQAI(2014)78%£1137£135Grp 12-25£1827-£220
FORD KUGA(2018)90%£1137£190Grp 12-25£1582-£465
BMW 3 SERIES(2015)88%£1137£135Grp 12-25£1677-£370

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 Mazda Models

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

Related Guides

In-depth articles relevant to the Mazda 6.

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