Model year guide

2018 Porsche 911 carrera

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 Porsche 911 carrera is worth — from official NHTSA and EPA data. 2 on record.

2018 Porsche 911 carrera — representative photo
Representative photo · via Wikimedia Commons

2018 Porsche 911 carrera at a glance

Safety recallsNone
Owner complaints1
Combined23–25 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2018 Porsche 911 carrera recalls 0

No NHTSA safety-recall campaigns are on record for the 2018 Porsche 911 carrera.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2018 Porsche 911 carrera common problems

The most-reported problem areas across all 1 owner complaint filed with NHTSA — and what to check before you buy.

Electrical System
Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.

2018 Porsche 911 carrera MPG & running costs

Combined23–25 mpg
City21 mpg
Highway30 mpg
Est. annual fuel cost$3,425
EPA size classMinicompact Cars
TransmissionAutomatic (AM-S7) or Manual 7-spd
Forced inductionTurbocharged
Engine start-stopYes
Passenger volume70 cu ft
Cargo volume5 cu ft
5-yr fuel cost vs average new car$5,125 more

Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 2 versions of this model year; combined is shown as a range and the other figures are averages.

Estimated 5-year cost to own

A rough guide to what running a 2018 Porsche 911 carrera costs over five years and 75,000 miles.

Fuel (5 yrs)$17,125
Fuel only$17,125
Per mile$0.23

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
176.8 in
Width
71.3–72.8 in
Height
51.2 in
Wheelbase
96.5 in
Curb weight
3,142–3,417 lb
Front track
60.2 in
Rear track
59.8–61.4 in

Manufacturer-reported figures for the 2018 Porsche 911 carrera — ranges cover the 6 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.

Investigations & service bulletins

NHTSA defect investigations 1

Desiccated Air Bag Inflator Rupture Open

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deploymen…

NHTSA #EA21002 · Air Bags · opened Sep 2021

An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.

Manufacturer service bulletins 560

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 560.

Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated.

Bulletin No. 28-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated.

Bulletin No. 27-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated.

Bulletin No. 26-26 · Power Train, Engine · Sep 2026

Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system.

Bulletin No. 25-26 · Power Train, Engine · Sep 2026

Special Tools and Equipment Information for alignment machines - Q3 2026 Software Spec Update Available

Bulletin SPTL2609 · Steering, Suspension, Wheels · Sep 2026

Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment

Bulletin No. 12-26 · Electrical System · Sep 2026

Special Tools and Equipment Information for Diagnostic Equipment Standards for all USA Porsche Centers

Bulletin SPTL2314a · Aug 2026

Special Tools and Equipment Information for alignment machines - Q2 2026 Software Spec Update Available

Bulletin SPTL2608 · Steering, Suspension, Wheels · Aug 2026

Product Knowledge for Model Type Designations

Bulletin GR16D8a · Aug 2026

Product Knowledge for Chassis/VIN Numbering Systems

Bulletin GR16D8 · Aug 2026

Source: NHTSA Office of Defects Investigation, listed for the 911 CARRERA RWD. Model-year data, not specific to one car.

Canadian recalls 1

Transport Canada recall campaigns for the 2018 Porsche 911 carrera. Relevant if the car was first sold in, or imported from, Canada.

Airbag

Issue: On certain vehicles, the airbag sensors may not be properly attached to the chassis. This could cause the airbag system not work as designed in a crash. Safety Risk: An airbag system that does not work properly in a crash could create an increased risk of injury. Corrective Actions: The company will notify owners by mail. Owners will be instructed to take their vehicle t…

Transport Canada #2019114 · Mar 2019

Source: Transport Canada Motor Vehicle Safety Recalls Database.

2018 Porsche 911 carrera trims & engines on record

Trims
Carrera (2WD) / Carrera 4 (4WD)
Engines
3.0L 6-cyl 370 hp

2018 Porsche 911 carrera vehicles on record

Other Porsche 911 carrera model years

2018 Porsche 911 carrera — frequently asked questions

Does the 2018 Porsche 911 carrera have any safety recalls?

NHTSA lists no safety-recall campaigns for the 2018 Porsche 911 carrera. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What are the most common problems with the 2018 Porsche 911 carrera?

Across all 1 owner complaint filed with NHTSA, the most-reported problem areas are electrical system.

What gas mileage does the 2018 Porsche 911 carrera get?

The 2018 Porsche 911 carrera has U.S. EPA estimates of 23–25 mpg combined, depending on engine and trim (2 versions).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.