CarCostCheck

FIAT FULLBACK (2018)

Running costs, common problems, and reliability data based on 1,899 real MOT tests in 2024.

MOT Pass Rate

88%

Total Tests (2024)

1,899

Avg Mileage

68,897 mi

Est. Annual Cost

£1,840

Is the 2018 FIAT FULLBACK reliable?

Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%. It also outperforms the FIAT brand average of 83%.

At 6 years old, 88% of FIAT FULLBACKs from 2018 passed their MOT first time in 2024. That's based on 1,899 tests across the UK. The average mileage at this age is 68,897 miles.

How does the 2018 FIAT FULLBACK compare?

Rank among all 2018 cars448th out of 649(top 69%)
Rank among all FIAT models329th out of 818(top 40%)
vs national average+6% (82% avg)
vs 2018 cars average-1% (89% avg)
vs FIAT average+5% (83% avg)

Mileage Analysis

The average 2018 FIAT FULLBACK has 68,897 miles on the clock, which is well above the expected 44,400 miles for a 6-year-old car. Check service history carefully, as high-mileage cars need consistent maintenance to stay reliable.

Best year to buy a FIAT FULLBACK?

The most reliable year is the 2017 model with a 89% MOT pass rate, while the 2016 model has the lowest at 87%. The 2018 sits between the two at 88%.

How much does a 2018 FIAT FULLBACK cost to run?

Fuel (Diesel, 2442cc)
£1,245
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,840
Per month£153/mo

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

FIAT FULLBACK by Year

YearPass RateTestsAvg Mileage
201989%49759,924 mi
201888%1,89968,897 mi
201789%2,37874,083 mi
201687%63193,195 mi

Checking a specific FIAT FULLBACK?

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About the 2018 FIAT FULLBACK

The 2018 FIAT FULLBACK is a large car with a 2442cc diesel engine. 1,899 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2018, the average MOT pass rate is 89%, and this model falls short of that benchmark.

With an average of 68,897 miles at 6 years old, FIAT FULLBACK owners cover more miles than the average driver. High-mileage examples should be checked carefully for wear on suspension, brakes, and drivetrain components.

2018 FIAT FULLBACK Fuel Costs

The 2442cc diesel engine offers a reasonable balance between performance and economy. Expect around 40 mpg in mixed driving, which works out to roughly £1,245 per year at current diesel prices of 148p per litre (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 FULLBACK?

Total estimated annual running cost is £1,840 153/month), broken down as £1245 fuel, £190 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 88% pass rate. Keeping on top of servicing will help avoid surprises.

FIAT FULLBACK Reliability Trend

The FIAT FULLBACK has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.

Buying a Used 2018 FIAT FULLBACK

At 6 years old, the FIAT FULLBACK offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2017 model has the highest pass rate at 89%.

Alternatives to the 2018 FIAT FULLBACK

If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: