How much does a 2018 FIAT 500 cost to run?

Estimated annual running cost is £1,555 (£130/month), including £955 fuel, £195 road tax, £55 MOT, and £350 predicted repairs.

What is the MOT pass rate for a 2018 FIAT 500?

The 2018 FIAT 500 has a 86% MOT pass rate based on 40,756 tests in 2026. This ranks 499 out of 649 cars from 2018.

Which year FIAT 500 is most reliable?

The 2021 FIAT 500 has the highest MOT pass rate at 93%. The least reliable year is 2007 at 72%.

FIAT 500 (2018)

Q: Is the 2018 FIAT 500 reliable?

Good reliability. Occasional issues but generally solid. 86% of FIAT 500s from 2018 passed their MOT first time in 2026, based on 40,756 tests. That's 4 points above the national average of 82%.

Q: What is the average mileage for a 2018 FIAT 500?

The average mileage for a 2018 FIAT 500 is 33,498 miles, 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.

Running costs, reliability data, and common problems from 40,756 real MOT tests.

Annual Cost

£1,555

£130/month

MOT Pass Rate

86%

Good

Road Tax

£195

Flat rate/year

Insurance

Grp 1-8

875cc Petrol

Solid Option

86% pass rate, £1555/year to run. Close to the national average.

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Petrol875cc8 years old40,756 tests33k miles avg

Annual Running Costs

Fuel (Petrol, 875cc)

~50 mpg

£955

Road Tax

Flat rate (post-2017)

£195

MOT Test

£55

Predicted Repairs

£350

Total per year£1,555

Per month£130/mo

Per week£30/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

86% 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 8 years old, 86% of FIAT 500s from 2018 passed their MOT first time in 2026. That's based on 40,756 tests across the UK. The average mileage at this age is 33,498 miles.

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How Does It Compare?

Rank among 2018 cars499th of 649(top 77%)

Rank among FIAT models372th of 818(top 45%)

vs national average+4%(82% avg)

vs 2018 cars average-3%(89% avg)

vs FIAT average+3%(83% avg)

Mileage Analysis

33,498

Average miles

59,200

Expected for age

The average 2018 FIAT 500 has 33,498 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 2021 model with a 93% MOT pass rate, while the 2007 model has the lowest at 72%. The 2018 sits between the two at 86%.

FIAT 500 by Year

Year	Pass Rate	Tests	Avg Mileage
2021	93%	195	18,379 mi
2020	92%	7,732	23,865 mi
2019	90%	31,868	27,173 mi
2018	86%	40,756	33,498 mi
2017	83%	39,899	40,199 mi
2016	80%	56,821	45,258 mi
2015	78%	69,392	51,933 mi
2014	78%	73,839	58,446 mi
2013	78%	63,361	63,074 mi
2012	76%	51,956	68,150 mi
2011	75%	36,701	72,823 mi
2010	73%	39,852	77,223 mi
2009	72%	38,991	82,820 mi
2008	72%	23,228	86,722 mi
2007	72%	241	89,332 mi
2001	81%	31	34,363 mi

Similar Cars to Consider

FORD FIESTA

2016 · 998cc Petrol

£1,390/year

81%

-5%

NISSAN QASHQAI

2017 · 1200cc Petrol

£1,550/year

86%

same

VAUXHALL ASTRA

2016 · 999cc Petrol

£1,390/year

85%

-1%

VOLKSWAGEN POLO

2016 · 1198cc Petrol

£1,390/year

84%

-2%

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About the 2018 FIAT 500

The 2018 FIAT 500 is a city car with a 875cc petrol engine. 40,756 of these vehicles were MOT tested in 2026, making it one of the most commonly tested cars on UK roads. It sits in the bottom 77% of 2018 cars for MOT pass rates.

With an average of 33,498 miles at 8 years old, FIAT 500 owners tend to use this car less than the typical driver.

2018 FIAT 500 Fuel Costs

The modest 875cc petrol engine keeps fuel costs low, which is a real advantage for a city car. Expect around 50 mpg in mixed driving, which works out to roughly £955 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 FIAT 500?

Total estimated annual running cost is £1,555 (£130/month), broken down as £955 fuel, £195 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 86% pass rate. Keeping on top of servicing will help avoid surprises.

FIAT 500 Reliability Trend

Newer FIAT 500s show better MOT pass rates than older ones, with an average improvement of 11 percentage points.

Buying a Used 2018 FIAT 500

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 2021 model has the highest pass rate at 93%. With 40,756 MOT tests in our data, there's strong statistical confidence in these figures.

Common Issues to Watch For

Based on the 2018 FIAT 500's fuel type, age, and engine size, these are the most likely problem areas to check.

Coil Pack Failure

Medium risk

Smaller petrol engines are prone to ignition coil failures, causing misfires and rough running. Replacement is £50-£150 per coil.

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 FIAT 500 stacks up against similar cars for annual running costs, insurance, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Insurance	Total/yr
FIAT 500(2018)	86%	£955	£195	Grp 1-8	£1555
FORD FIESTA(2016)	81%	£955	£30	Grp 1-8	£1390-£165
NISSAN QASHQAI(2017)	86%	£955	£190	Grp 5-15	£1550-£5
VAUXHALL ASTRA(2016)	85%	£955	£30	Grp 1-8	£1390-£165
VOLKSWAGEN POLO(2016)	84%	£955	£30	Grp 5-15	£1390-£165

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.