NHTSA lists 2 safety recalls and 1 owner complaint for the 2018 Maserati Quattroporte. Most complaints involve vehicle speed control (1). The EPA rates it 17–18 mpg combined.
Maserati North America, Inc. (Maserati) is recalling certain 2018 Maserati Quattroporte, Ghibli, and Levante vehicles. The welds on the front sub frame may be incomplete, which can result in the welds breaking.
Maserati North America, Inc. (Maserati) is recalling certain 2018 Maserati Quattroporte and Ghibli vehicles. These vehicles have a fuel delivery pipe in the engine compartment that may leak fuel at the connections.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“I WAS DRIVING THIS VEHICLE IN "SPORT" MODE. I ACCELERATED FROM A STOPPED POSITION, RATHER AGGRESSIVELY TO GET UP TO SPEED (ABOUT 30-35 MPH). WHEN I TOOK MY FOOT OFF THE GAS PEDAL, THE CAR CONTINUED TO ACCELERATE UNCOMMANDED. I PRESSED THE BRAKE AS HARD AS I COULD, BUT THE ENGINE REMAINED AT FULL POWER ATTEMPTING TO ACCELERATE FORWARD. I WAS NEARLY ABLE TO GET THE VEHICLE TO A COMPLETE STOP, BUT THE ENGINE OVERPOWERED ME WITH BOTH FEET STANDING ON BRAKE PEDAL. 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. I PUT THE CAR IN PARK, AND THE ENGINE FINALLY STOPPED REVVING. THE FLOOR MATS WERE IN THEIR PROPER PLACE, SO THEY WERE NOT A CONTRIBUTING FACTOR. THIS WAS ACTUALLY THE SECOND TIME THAT THE CAR HAD ACCELERATED ON ITS OWN, BOTH OCCURRING IN CONJUNCTION WITH AGGRESSIVE APPLICATION OF THE GAS PEDAL. THE FIRST TIME I WAS ABLE TO OVERCOME IT FAIRLY QUICKLY, AND THOUGHT IT WAS JUST AN ANOMALY. IT MAY…”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Quattroporte S Auto 8-spd, 6 cyl, 3.0 L, Turbo · Rear-Wheel Drive | 16 | 23 | 18 | $4,300 | 482 |
| Quattroporte SQ4 V6 Auto 8-spd, 6 cyl, 3.0 L, Turbo · All-Wheel Drive | 16 | 23 | 18 | $4,300 | 485 |
| Quattroporte V8 Auto 8-spd, 8 cyl, 3.8 L, Turbo · Rear-Wheel Drive | 15 | 22 | 17 | $4,550 | 517 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
2 safety recalls as of Nov 9, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 1 complaints with NHTSA. The most-cited components are vehicle speed control (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2018 Maserati Quattroporte at 17–18 mpg combined, depending on engine and drivetrain (3 versions rated).