2018 Maserati Quattroporte — Full Specifications
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The 2018 Maserati Quattroporte is a saloon/sedan offered with 2 engines (3L 6-cyl turbo, 3.8L 8-cyl turbo). Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 20–22 mpg (UK) across all configurations. Owners often keep a Maserati Quattroporte workshop manual to hand for servicing and repairs.
Compared with the 2017 Maserati Quattroporte: Fuel economy is essentially unchanged at around 22 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 3L 6-cyl turbo |
|---|---|
| Engine options | 3L 6-cyl turbo · 3.8L 8-cyl turbo |
| Transmission (most efficient) | Automatic 8-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 114 cu ft (3,228 L) |
| Luggage Volume (EPA) | 19 cu ft (538 L) |
| Fuel Economy (UK) | 22 combined / 19 urban / 28 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 16 city / 23 highway mpg |
| CO₂ Emissions | 300 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2018 Maserati Quattroporte across 2 engines (3L 6-cyl turbo, 3.8L 8-cyl turbo). Combined fuel economy ranges from 17 to 18 mpg (US), or 20 to 22 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Automatic 8-spd | All-Wheel Drive | 22 | 18 (16/23) | 301 | $4,550 |
| 3L 6-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 22 | 18 (16/23) | 300 | $4,550 |
| 3.8L 8-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 20 | 17 (15/22) | 321 | $4,850 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 114 cubic feet (about 3,228 litres) and luggage volume at 19 cubic feet (about 538 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2018 Maserati Quattroporte
Running Costs: 2018 Maserati Quattroporte
Covering around 8,000 miles a year in a 2018 Maserati Quattroporte at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,550 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2018 Maserati Quattroporte Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 2 safety recall campaigns that include the 2018 Maserati Quattroporte (as of 6 October 2026). Most affected areas: Structure (1), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Structure — campaign 18V347000, reported 25 May 2018. Risk: If the welds fracture, it can cause a loss of vehicle control, increasing the risk of a crash.
- Fuel system — campaign 17V834000, reported 21 December 2017. Risk: A fuel leak within the engine compartment increases the risk of a fire.
Owners have filed 1 complaint with NHTSA about the 2018 Maserati Quattroporte. The most-reported areas are Vehicle speed control (1). Complaints include 1 reported crash.
Used-buyer checklist for the 2018 Maserati Quattroporte
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Body structure (1 recall campaign) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
- Throttle & cruise control (1 owner complaint) — Check throttle response and cruise control are smooth, and ask about any software or throttle recalls.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
At 22 mpg (UK) combined it sits close to the 22 mpg average for Maserati models in our database.
Of the 15 Maserati Quattroporte model years we cover, the 2018 ranks 6th for combined fuel economy on its best configuration (22 mpg UK combined, against a high of 24 mpg). See every Maserati Quattroporte year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2018 Maserati Quattroporte
Frequently Asked Questions
What engine does the 2018 Maserati Quattroporte have?
EPA lists 2 engines for the 2018 Maserati Quattroporte: 3L 6-cyl turbo, 3.8L 8-cyl turbo. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic 8-spd.
What is the fuel economy of the 2018 Maserati Quattroporte?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 20 to 22 mpg.
How much does the 2018 Maserati Quattroporte cost to fuel per year?
The US EPA estimates about $4,550 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2018 Maserati Quattroporte have any recalls?
NHTSA lists 2 safety recall campaigns that include the 2018 Maserati Quattroporte (as of 6 October 2026). Most affected areas: Structure (1), Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2018 Maserati Quattroporte?
Among the 1 owner complaints filed with NHTSA, the most-reported areas are Vehicle speed control (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2018 Maserati Quattroporte have?
EPA measures interior passenger volume at 114 cubic feet (about 3,228 litres) and luggage volume at 19 cubic feet (about 538 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.