Fiat Auto Trail (2018)

Estimated running costs and MOT pass rates from 2,572 MOT tests in 2024.

Annual Cost

£2,131

£178/month

MOT Pass Rate

95%

Excellent

Road Tax

£200

Standard rate/year

Est. Insurance

n/a

2287cc Diesel

Great Choice

95% pass rate, £2,131/year to run. 13 points above average.

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Diesel2287cc8 years old2,572 tests17k miles avg

Annual Running Costs

Fuel (Diesel, 2287cc)

~40 mpg

£1,676

Road Tax

Car rate estimate; motorhomes are taxed differently

£200

MOT Test

£55

Predicted Repairs

Low estimate due to excellent reliability

£200

Total per year£2,131

Per month£178/mo

Per week£41/wk

Estimates based on 7,400 miles/year (UK average), diesel at 199.33p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).

Reliability Verdict

95% MOT pass rate(Excellent)

0%All-model avg: 82%100%

Excellent reliability. Very few MOT failures. That's 13 points above the average of 82% across all models in our data. It also outperforms the Fiat brand average of 83%.

95% of MOT tests on Fiat Auto Trails from 2018 ended in a pass in 2024, when they were about 6 years old. That's based on 2,572 tests across the UK, retests included. The average mileage recorded at those tests was 16,870 miles.

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How Does It Compare?

Rank among 2018 models93rd of 607(top 16%)

Rank among Fiat models108th of 788(top 14%)

vs average of all models+13%(82% avg)

vs 2018 models average+6%(89% avg)

vs Fiat average+12%(83% avg)

Mileage Analysis

16,870

Average miles

44,400

Expected for age

The average 2018 Fiat Auto Trail had 16,870 miles on the clock at its 2024 MOT, which is significantly below the expected 44,400 miles for a 6-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.

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Best Year to Buy?

Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 96%, while the 2011 model has the lowest at 90%. The 2018 scores 95%. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.

Fiat Auto Trail by Year

Year	Pass Rate	Tests	Avg Mileage
2021	94%	594	9,452 mi
2020	96%	968	11,804 mi
2019	95%	2,414	13,636 mi
2018	95%	2,572	16,870 mi
2017	95%	2,170	19,419 mi
2016	94%	2,243	22,559 mi
2015	93%	1,906	24,922 mi
2014	90%	1,100	29,040 mi
2013	92%	1,117	29,560 mi
2012	90%	827	32,554 mi
2011	90%	218	35,939 mi
2010	97%	38	39,494 mi
2007	71%	41	54,210 mi
2006	74%	43	62,588 mi
2005	60%	35	51,542 mi

Similar Cars to Consider

Ford Transit

2017 · 1995cc Diesel

£2,002/year

81%

-14%

Ford Transit Custom

2019 · 2000cc Diesel

£2,002/year

87%

-8%

Volkswagen Transporter

2017 · 1968cc Diesel

£2,002/year

85%

-10%

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About the 2018 Fiat Auto Trail

The 2018 Fiat Auto Trail is a motorhome. Our records list a 2287cc diesel engine, though engines vary between versions. 2,572 MOT tests were recorded on this model in 2024, making it a reasonably common sight on UK roads. It ranks in the top 16% of all 2018 models for MOT pass rate.

With an average of 16,870 miles recorded at its 2024 MOT tests, Fiat Auto Trail owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.

2018 Fiat Auto Trail Fuel Costs

The 2287cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,676 per year with diesel at 199.33p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2018 Fiat Auto Trail?

Total estimated annual running cost is £2,131 (£178/month), broken down as £1,676 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.

Fiat Auto Trail Reliability Trend

Newer Fiat Auto Trails pass their MOT more often than older ones, by 4 percentage points on average, which is mostly down to age and wear.

Buying a Used 2018 Fiat Auto Trail

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 2020 model has the highest pass rate at 96%.

Common Issues to Watch For

These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.

DPF (Diesel Particulate Filter)

Watch out

Short journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.

Turbo Wear

Watch out

Diesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.

AdBlue System

Medium risk

Post-2015 diesels use AdBlue for emissions. Sensor failures and tank heater issues are common. Budget £200-£500 for repairs.

EGR Valve

Watch out

Exhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.

Dual Mass Flywheel

Watch out

Larger diesel engines put extra strain on the dual mass flywheel. Listen for rattling at idle. Replacement with clutch is £800-£1,500.

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 Auto Trail stacks up against similar cars for estimated annual running costs, insurance group, and tax.

Car	Pass Rate	Fuel/yr	Tax/yr	Est. Ins. Group	Total/yr
Fiat Auto Trail(2018)	95%	£1,676	£200	n/a	£2,131
Ford Transit(2017)	81%	£1,397	£200	n/a	£2,002-£129
Ford Transit Custom(2019)	87%	£1,397	£200	n/a	£2,002-£129
Volkswagen Transporter(2017)	85%	£1,397	£200	n/a	£2,002-£129

Estimates based on 7,400 miles/year, GOV.UK average pump prices for the week of 19 October 2026, GOV.UK road tax rates and MOT data. Insurance groups are our rough estimate from engine size, not official groups. Actual costs vary by driver, location, and usage.

Questions about the 2018 Fiat Auto Trail

Is the 2018 Fiat Auto Trail reliable?

Excellent reliability. Very few MOT failures. 95% of MOT tests on 2018 Fiat Auto Trails ended in a pass, from 2,572 tests (DVSA MOT data for tests in 2024, retests included). That's 13 points above the average of 82% across all models in the same data.

How much does a 2018 Fiat Auto Trail cost to run?

Our estimate is £2,131 a year (£178 a month): £1,676 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.

What is the MOT pass rate for a 2018 Fiat Auto Trail?

95% of 2,572 MOT tests on the 2018 Fiat Auto Trail ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 93rd of 607 models first registered in 2018 (top 16%).

Which year Fiat Auto Trail has the best MOT pass rate?

Of the years with at least 100 tests, the 2020 Fiat Auto Trail has the highest MOT pass rate at 96% and the 2011 the lowest at 90%. Newer cars usually pass more often simply because they are younger and have done fewer miles.

What is the average mileage for a 2018 Fiat Auto Trail?

The average mileage recorded at MOT tests on the 2018 Fiat Auto Trail is 16,870 miles, which is significantly below the expected 44,400 miles for a 6-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.