Is the 2018 Fiat 500X reliable?

The 2018 Fiat 500X has 22 complaints filed with NHTSA (1.0x the segment average). Our reliability verdict: above-average. Most common issue: ENGINE problems.

What are common problems with the 2018 Fiat 500X?

Top problems: ENGINE (7 complaints, avg repair $500); ELECTRICAL (5 complaints, avg repair $500); TRANSMISSION (4 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2018 Fiat 500X?

Yes, there are 1 recall(s): ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. Contact any Fiat dealer to verify if recalls have been completed on your specific vehicle.

How much does it cost to fuel a 2018 Fiat 500X?

The 2018 Fiat 500X gets 27 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $1778. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2018 Fiat 500X?

Estimated US average full-coverage insurance for the 2018 Fiat 500X is approximately $1,758/year (suv-midsize class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2018 Fiat 500X

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2018 Fiat 500X has 22 owner complaints filed with NHTSA — that's 1.0x the segment average of 23. The most common issue is engine problems (32% of all complaints), specifically: after 10,000 miles these issues started to occur. we were quoted the engine experienced these issues due to the engine burning oil. the car sputters, it is sluggish, while driving it loses power and is slow to pick up or doesn't pick up at all. we slowed down dramatically while doing 60 on the highw. There is 1 recall issued for this model year.

Total Complaints

Recalls Issued

—/5

Safety Stars

1.0x

vs Segment Avg

Known Problems(top 5 of 7)

ENGINE

7 complaints

32%

• AFTER 10,000 MILES THESE ISSUES STARTED TO OCCUR. WE WERE QUOTED THE ENGINE EXPERIENCED THESE ISSUES DUE TO THE ENGINE BURNING OIL. THE CAR SPUTTERS, IT IS SLUGGISH, WHILE DRIVING IT LOSES POWER AND IS SLOW TO PICK UP OR DOESN'T PICK UP AT ALL. WE SLOWED DOWN DRAMATICALLY WHILE DOING 60 ON THE HIGHW
• I contact Chrysler Corp regarding the NHTSA recall notice and provided corporate with the recall notice number and was told that the recall was not applicable to my Fiat 500x. However corporate asked where the vehicle was being serviced. When The service was completed the statement from the dealer
• 2021 Car failed RECALL OIL CONSUMPTION test twice at local dealership. Sept 2021 dealership said replaced a part. Oct 2021, when leaving a gas station car would not start, dashboard was flashing symbols and died, would not start, after 1/2 hr car bucked to house 6 blocks away. Yes car is available f

Typical onset: 50K miles Est. repair: $500

“AFTER 10,000 MILES THESE ISSUES STARTED TO OCCUR. WE WERE QUOTED THE ENGINE EXPERIENCED THESE ISSUES DUE TO THE ENGINE BURNING OIL. THE CAR SPUTTERS, IT IS SLUGGISH, WHILE DRIVING IT LOSES POWER AND IS SLOW TO PICK UP OR DOESN'T PICK UP AT ALL. WE SLOWED DOWN DRAMATICALLY WHILE DOING 60 ON THE HIGHW”

— NHTSA complaint filing

Recalls (1)

ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD09/08/2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Renegade, Compass and Grand Cherokee, RAM 1500 and Promaster, Fiat 500x, Dodge Journey, Challenger, Charger and Durango and Chrysler 300x vehicles, 2017-2018 Jeep Wrangler, Dodge Grand Caravan and Chrysler Town and Country vehicles and 2018-2019 Jeep Cherokee and 2018 Chrysler Pacifica and Pacifica Hybrid vehicles. The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.

Risk: A vehicle stall can increase the risk of a crash.

Fix: Chrysler will notify owners, and dealers will replace the powertrain control module, free of charge. The recall began October 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U87.

Fuel Cost Calculator for 2018 Fiat 500X

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$1,778

Per month

$148

Per mile

14.8¢

MPG

City driving (worst-case MPG)

$2,182/yr

Highway driving (best-case MPG)

$1,455/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2018 Fiat 500X

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$1,758

Full coverage / month

$147

Liability only / year

$639

vs US avg

+5%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (suv-midsize)1.05x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$1758

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Fiat New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

5 yr / unlimited mi

Roadside assistance

4 yr / 50K mi

These are the terms for a new Fiat. If you're buying a used 2018 500X, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Fiat dealer for VIN-specific remaining warranty.

Estimated Repair Costs

ENGINE(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

BRAKES(~50K mi)

$500

FUEL SYSTEM(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 22 owner complaints for this specific year, here's what to check or ask about:

☐
ENGINE: AFTER 10,000 MILES THESE ISSUES STARTED TO OCCUR. WE WERE QUOTED THE ENGINE EXPERIENCED THESE ISSUES DUE TO THE ENGINE BURNING OIL. THE CAR SPUTTERS, IT IS SLUGGISH, WHILE DRIVING IT LOSES POWER AND IS SLOW TO PICK UP OR DOESN'T PICK UP AT ALL. WE SLOWED DOWN DRAMATICALLY WHILE DOING 60 ON THE HIGHW
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: AFTER 10,000 MILES THESE ISSUES STARTED TO OCCUR. WE WERE QUOTED THE ENGINE EXPERIENCED THESE ISSUES DUE TO THE ENGINE BURNING OIL. THE CAR SPUTTERS, IT IS SLUGGISH, WHILE DRIVING IT LOSES POWER AND IS SLOW TO PICK UP OR DOESN'T PICK UP AT ALL. WE SLOWED DOWN DRAMATICALLY WHILE DOING 60 ON THE HIGHW
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: WE HAD SEVERAL INSTANCES WERE THE CAR BUCKS WHEN TRANSMISSION SHIFTS. WAS TAKEN TO DEALER AND UPDATES WERE MADE AND HAD NO ISSUES UNTIL AGAIN IT HAS STARTED AGAIN. NOT ALL THE TIME BUT EVERY ONCE IN A WHILE. AT SUNSET NOW BUT UNABLE TO DUPLICATE PROBLEM. THIS IS NOT THE FIRST ISSUE WE HAVE HAD. FIRS
Typically appears around 50K miles. Repair cost ~$500
☐
BRAKES: FULL SPEED FORWARD COLLISION WARNING PLUS DOES NOT FUNCTION PROPERLY. WARNING AND BREAKS NEVER ACTIVATE EVEN IF 1 FOOT FROM CAR IN FRONT.*DT
Typically appears around 50K miles. Repair cost ~$500
☐
RECALLS: Verify all 1 recall have been completed — free at any Fiat dealer
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)