2018 Porsche Panamera — Full Specifications

Reviewed by the 247VehicleCheck Data Team — automotive data reviewers

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29Best Combined MPG (UK)
3L 6-cyl turboMost Efficient Engine
Premium GasolineFuel Type
$3,400Est. Annual Fuel (US EPA)
N/ANHTSA Safety
229CO₂ g/km

The 2018 Porsche Panamera is a saloon/sedan offered with 3 engines (2.9L 6-cyl turbo, 3L 6-cyl turbo, 4L 8-cyl turbo). Its most fuel-efficient configuration returns around 29 mpg (UK) / 24 mpg (US EPA) combined, with 25–29 mpg (UK) across all configurations. A plug-in hybrid version is also listed by EPA (2.9L 6-cyl turbo), returning around 26 mpg (UK) combined. Owners often keep a Porsche Panamera workshop manual to hand for servicing and repairs.

Compared with the 2017 Porsche Panamera: Fuel economy is essentially unchanged at around 29 mpg (UK) combined. The engine line-up listed by EPA is unchanged.

Full Specifications

Engine (most efficient)3L 6-cyl turbo
Engine options2.9L 6-cyl turbo · 3L 6-cyl turbo · 4L 8-cyl turbo
Transmission (most efficient)Automatic (AM-S8)
Fuel TypePremium Gasoline
PowertrainConventional
DriveRear-Wheel Drive
Body StyleSaloon/Sedan
Passenger Volume (EPA)108 cu ft (3,058 L)
Luggage Volume (EPA)16 cu ft (453 L)
Fuel Economy (UK)29 combined / 25 urban / 34 extra-urban mpg
Fuel Economy (US EPA)24 combined / 21 city / 28 highway mpg
CO₂ Emissions229 g/km
EPA Greenhouse Gas Score5 / 10 (10 = lowest emissions)
EPA Est. Annual Fuel Cost$3,400 (15,000 mi/yr, US prices)

Engine & Transmission Options

EPA lists 6 configurations for the 2018 Porsche Panamera across 3 engines (2.9L 6-cyl turbo, 3L 6-cyl turbo, 4L 8-cyl turbo). Combined fuel economy ranges from 21 to 24 mpg (US), or 25 to 29 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.

EngineTransmissionDriveMPG (UK)MPG (US)CO₂ g/kmFuel cost / yr
2.9L 6-cyl turboAutomatic (AM-S8)4-Wheel Drive 28 23 (21/28) 235$3,550
2.9L 6-cyl turbo (Plug-in Hybrid)Automatic (AM-S8)All-Wheel Drive 26 22 (20/25) 162$3,750
3L 6-cyl turboAutomatic (AM-S8)4-Wheel Drive 28 23 (21/27) 235$3,550
3L 6-cyl turboAutomatic (AM-S8)Rear-Wheel Drive 29 24 (21/28) 229$3,400
4L 8-cyl turboAutomatic (AM-S8)All-Wheel Drive 25 21 (18/25) 261$3,900
4L 8-cyl turbo (Plug-in Hybrid)Automatic (AM-S8)All-Wheel Drive 25 21 (19/23) 175$3,900

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 108 cubic feet (about 3,058 litres) and luggage volume at 16 cubic feet (about 453 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 Porsche Panamera

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Running Costs: 2018 Porsche Panamera

Covering around 8,000 miles a year in a 2018 Porsche Panamera at 29 mpg combined, expect roughly 1,254 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,400 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 Porsche Panamera 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 8 safety recall campaigns that include the 2018 Porsche Panamera (as of 6 October 2026). Most affected areas: Electrical system (4), Seat belts (1), Steering (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.

Showing the 4 most recent of 8 campaigns.

Owners have filed 12 complaints with NHTSA about the 2018 Porsche Panamera. The most-reported areas are Power train (4), Engine (4), Electrical system (3). Complaints include 1 reported crash, 1 reported injury.

Used-buyer checklist for the 2018 Porsche Panamera

Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:

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

Porsche models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2018 Porsche Panamera's 29 mpg is 3 mpg above that make average. Its 229 g/km CO₂ figure is 25 g/km lower than the 254 g/km Porsche average.

Of the 17 Porsche Panamera model years we cover, the 2018 is the most economical on its best configuration (29 mpg UK combined). See every Porsche Panamera 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.

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Frequently Asked Questions

What engine does the 2018 Porsche Panamera have?

EPA lists 3 engines for the 2018 Porsche Panamera: 2.9L 6-cyl turbo, 3L 6-cyl turbo, 4L 8-cyl turbo. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic (am-s8).

What is the fuel economy of the 2018 Porsche Panamera?

The most efficient configuration returns around 29 mpg (UK) combined, or 24 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 25 to 29 mpg. The plug-in hybrid version returns around 26 mpg (UK) combined.

How much does the 2018 Porsche Panamera cost to fuel per year?

The US EPA estimates about $3,400 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 Porsche Panamera have any recalls?

NHTSA lists 8 safety recall campaigns that include the 2018 Porsche Panamera (as of 6 October 2026). Most affected areas: Electrical system (4), Seat belts (1), Steering (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 Porsche Panamera?

Among the 12 owner complaints filed with NHTSA, the most-reported areas are Power train (4 complaints), Engine (4 complaints), Electrical system (3 complaints). 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 Porsche Panamera have?

EPA measures interior passenger volume at 108 cubic feet (about 3,058 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.

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