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Fiat 500X

GSE-T4 1.3L Turbo 151 hp Automatic Front-wheel drive SUV 2018–2022
✔ Good Choice
Engine GSE-T4 ✔ Good Choice 4,100–13,300 €
Fun Factor? Decent

Modern Successor

The 1.3 GSE Turbo replaces the ageing MultiAir in the 500X. 151 hp with 7-speed DCT — noticeably more modern and refined than the predecessor, but still not a corner-hunter in the heavy SUV.

Engine Weaknesses 4

!! Timing Chain Wears Out

The timing chain on Firefly engines shows wear from around 140,000 km. Preventive replacement from 120,000 km is recommended to avoid engine damage.

Symptoms: Rattling on cold start, camshaft sensor fault codes, valve timing errors

500–1,200 € from 140,000 km
!! Turbocharger Boost Pressure Problems

Turbocharger or wastegate leaks cause limp mode through insufficient boost pressure. Early failures documented at around 10,000 km, more frequent replacement around 50,000 km.

Symptoms: Sudden power loss, limp mode, boost pressure fault code, boost sensor B fault

400–1,500 € from 60,000 km
! Intake Valves Coked Up (Direct Injection)

Because the Firefly 1.3 uses pure direct injection, intake valves can become coked up by oil mist from the crankcase ventilation. Regular use of fuel additives is recommended.

Symptoms: Misfire under load, power loss at higher mileage, rough idle

150–600 € from 80,000 km
! Dual-Clutch Gearbox Shifts Poorly

The DCT gearbox does not pair well with the 1.3 GSE; it shifts more often than necessary and more slowly than desired. Particularly unpleasant at low speeds.

Symptoms: Juddering on pull-away, frequent kick-downs, gearbox hunting for gear

300–2,000 € from 50,000 km

Vehicle Weaknesses 10

!! Gearbox DDCT Dual-Clutch Gearbox Jerks

The DDCT dual-clutch gearbox on the Fiat 500X (334) shows shift delays and jerks on pull-away. Complete gearbox failures have been documented at just 6,500 km.

1,500–4,000 € from 50,000 km
!! Other Recall: Rear Seatback Locking Defective

Recall action on the Fiat 500X (334) for faulty rear seatback locking. Rear seats could fold forward in an impact.

! Electronics UConnect System and Parking Sensors

UConnect infotainment and parking sensors on the Fiat 500X (334) show frequent malfunctions. Bluetooth disconnects, false parking sensor warnings and system hangs.

50–400 €
! Suspension Front Control Arms Wear Early

Front control arms on the Fiat 500X (334) wear early and are a known weak point at MOT inspections.

200–700 € from 70,000 km
! Body Door Seals Leaking

Door seals on the Fiat 500X (334) let in wind noise at higher speeds or develop leaks.

50–250 €
! Brakes Brake Pads and Discs Wear Quickly

The braking system on the Fiat 500X (334) shows above-average wear. Brake calipers can seize.

250–700 € from 50,000 km
! Rust Exhaust System Corrodes

The exhaust system on the Fiat 500X (334) is prone to corrosion, especially at the rear silencer and intermediate pipes.

200–600 € from 80,000 km
! HVAC AC Condenser Leaks from Stone Chip Damage

The AC condenser on the Fiat 500X (334) sits exposed and is vulnerable to stone chip damage.

400–800 €
! Steering Tie Rod Ends Worn

Tie rod ends on the Fiat 500X (334) wear out and cause MOT defects.

100–400 € from 80,000 km
i Interior Plastic Interior Trim Rattles and Creaks

Interior plastics on the Fiat 500X (334) rattle and creak, especially in the instrument panel and door cards.

0–150 €

Reports & Tests

nhtsa_complaints NHTSA Complaint Summary 2026-03
Average

183 owner complaints filed with NHTSA (2014–2023). Most reported: Engine (64), Electrical (56), Powertrain (55).