AI Damage2018 Maserati Quattroporte: common problems
Owners of the 2018 Maserati Quattroporte filed 1 complaints with NHTSA, most often about vehicle speed control. The maker issued 89 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 1
- involving a crash
- 1
- Technical service bulletins (TSB)
- 89
What fails most often
- Vehicle speed control: 1 complaints (100% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3 L · petrol · turbo · 6 cyl
- 3.8 L · petrol · turbo · 8 cyl
- automatic, 8-speed
Drive: RWD, AWD
Symptoms owners describe
How many of the 1 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Vehicle speed control | 1 | 1 | 0 |
| Equipment | 0 | 0 | 18 |
| Engine | 0 | 0 | 14 |
| Suspension | 0 | 0 | 7 |
| Electrical system | 0 | 0 | 6 |
| Wheels | 0 | 0 | 5 |
| Fuel/propulsion system | 0 | 0 | 4 |
| Structure | 0 | 0 | 4 |
| Engine and cooling | 0 | 0 | 2 |
| Powertrain | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Latches, locks, linkages | 0 | 0 | 1 |
| Parking brake | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
It shuddered forward about 25 feet, moving at less than 5mph, almost like the antilock brakes were capturing and releasing, until I struck a vehicle stopped at a red light in front of me. The display read "service engine throttle control." once I struck the other vehicle, my vehicle finally came to a complete stop.
Comparison
By complaint count this model year ranks 1,964 of 2,102 model years in the NHTSA data (among the 7% least complained about).
On average one model year of the Quattroporte has 1 complaints (9 years in the data). This year has 1, above average.
What to check before buying
- Vehicle speed control. Accelerator pedal, cruise control, throttle codes.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Quattroporte / Ghibli / Levante V6 – Thermostat Gasket Availability This bulletin provides updated…
Quattroporte / Ghibli / Levante V6 – Thermostat Gasket Availability This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on…
- This bulletin provides updated information and further clarification regarding the replaceability of the…
This bulletin provides updated information and further clarification regarding the replaceability of the thermostat gasket on V6 engines installed on Quattroporte, Ghibli and Levante.
- Maserati Coolant Fluid Color Change
The previous pink coolant and the new purple coolant are fully compatible and may be mixed without affecting coolant quality, performance, or system behavior.
- This Diagnostic Sheet provides updated diagnostic and repair guidance for a potential wheel hub clicking…
This Diagnostic Sheet provides updated diagnostic and repair guidance for a potential wheel hub clicking noise condition on M182 Grecale ICE vehicles (all model years). The procedures outlined are intended to assist…
- Maserati Coolant fluid Color Change from pink to purple
- This bulletin provides instructions for diagnosing and correcting issues with the rear exhaust silencer
These issues may include exhaust noise or bypass valve problems (including DTC P1217 and P2D1100).
- This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected…
This bulletin outlines the refinishing procedure for restoring the black coating on exhaust tips affected by peeling or flaking paint. This validated process is intended to avoid unnecessary replacement of the entire…
- A new software release “Jakarta 10.04.00” is now available for the MD and MDEVO/MDEVO2/MDEVO3
This update brings: • A new user interface for the software update application. • A cybersecurity layer that protects communication with diagnostic and update servers. Once installed, the cybersecurity layer runs in…
- Maserati has created eight new special tools
These tools are mandatory and will be listed in the ModisCS+ Special Tools Catalog. Please also note that this catalog lists all the special tools already in use that are compatible and required for vehicle…
- This bulletin provides guidance on proper storage practices for Maserati vehicles in dealer inventory to…
This bulletin provides guidance on proper storage practices for Maserati vehicles in dealer inventory to minimize deterioration of premium interior components (leather, wood and carbon fiber).
- Management and Maintenance of New Maserati In-Stock Vehicles
- The purpose of this communication is to provide a guideline concerning the execution of ECU software…
The purpose of this communication is to provide a guideline concerning the execution of ECU software updates (ECUs) and to clarify how the EVO checks the availability of software updates for the ECUs installed in the…
NHTSA lists 89 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2018 Maserati Quattroporte?
Owner complaints to NHTSA most often mention: vehicle speed control. Total complaints: 1. The most frequent symptoms in complaint texts: jerking, harsh shifts (100%), unintended acceleration (100%).
How many service bulletins (TSB) were issued for the 2018 Maserati Quattroporte?
NHTSA lists 89 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Maserati Quattroporte from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.