2018 Porsche 911

2018 911 Carrera carried the 991.2's turbocharged 3.0L flat-six, unchanged from the 2017 introduction; Carrera S trims make 420 hp.

Broad, flat torque plateau typical of the turbocharged 991.2-generation flat-six, a step up in low-end pull versus the prior naturally aspirated Carrera.

PDK is the volume transmission choice for the Carrera; figure is the widely corroborated manufacturer/press 0-60 for the base PDK coupe.

Reviewers praised the turbocharged flat-six's response as strong and largely lag-free for a turbo engine, with a slightly less immediate top-end feel than the naturally aspirated engine it replaced but excellent everyday drivability.

The 7-speed PDK dual-clutch is consistently rated among the best automatics in any car: instant, crisp shifts with no hunting; the 7-speed manual is also well regarded for precise, mechanical shift feel.

AWD (Carrera 4/4S, via Porsche Traction Management with an electronically controlled multi-plate clutch) is available across most non-base trims but is not standard on the volume Carrera coupe, which is RWD.

The 2018 range spans naturally aspirated (GT3) and turbocharged (Carrera/S/Turbo/Turbo S) flat-sixes across multiple displacements and outputs, plus manual/PDK choices, but everything is gasoline-only with no electrified variant.

PDK is the more common transmission choice for the volume Carrera coupe and posts the better EPA combined figure.

EPA city figure for the PDK-equipped base Carrera coupe.

EPA highway figure for the PDK-equipped base Carrera coupe.

Computed/quoted range from EPA combined economy and manufacturer fuel tank capacity.

High per-mile fuel cost driven by premium fuel requirement and modest combined economy for the class.

The turbocharged flat-six requires premium unleaded, with no flex or regular-fuel option, keeping running costs elevated.

Like every generation of the low-volume 911, the 991.2-generation 2018 model has never been submitted for or received NHTSA New Car Assessment Program testing; no overall, frontal, side, or rollover stars are published for any 2018 911 configuration.

IIHS has never tested the 991.2-generation 911 in any crashworthiness category and it holds no Top Safety Pick or TSP+ award; this untested status is common across the low-volume sports-coupe segment (Corvette, BRZ, GR86, Z all lack IIHS ratings) but still leaves the car with zero independent crashworthiness evidence.

Every 2018 911 Carrera coupe comes standard with camera/radar-based forward collision warning and a scaled-down Warn and Brake Assist, but Adaptive Cruise Control (with the fuller Porsche Active Safe braking), Lane Keep Assist, and Lane Change Assist (blind-spot/rear-cross-traffic) are all options on the build sheet, including on the volume Carrera S — a wider gap than segment leaders that bundle more of the suite as standard.

The standard system is a staged Warn and Brake Assist (visual/acoustic warning, then a brake jolt, then driver-brake reinforcement) rather than full autonomous emergency braking, which requires the optional Porsche Active Safe package bundled with Adaptive Cruise Control; IIHS has not run its front crash prevention vehicle/pedestrian day/night tests on the 991.2 911, so there is no independent performance verification of either tier.

Porsche Lane Change Assist — radar-based blind-spot monitoring with mirror-mounted warning lights, active above roughly 19 mph — is available as an option on every 2018 911 trim, but it is alert-only with no active steering or braking intervention, and it is not standard on any trim.

Lane Keep Assist is a camera-based option on the 2018 911 that only nudges the car back within detected lane markings rather than offering true centering; it sits on the same options list as active cruise control rather than being bundled as standard, and it was not made standard equipment until later in the 991.2 run.

Optional Adaptive Cruise Control adds stop-and-go distance control, well-regarded for smoothness in period reviews, but the 991.2 predates Porsche's InnoDrive predictive/GPS-aware cruise system introduced with the 992 — so there is no highway-assist layer beyond conventional radar cruise, and it remains a paid option rather than standard equipment on the 2018 model year.

No hands-free highway driving system is offered on the 2018 911; even the optional Adaptive Cruise Control setup requires hands on the wheel at all times.

The 2018 911 Carrera comes standard with Bi-Xenon headlights with auto-leveling; full LED headlights with Porsche Dynamic Light System (PDLS) or PDLS Plus dynamic-matrix beam are only available via the roughly $3,980 Premium Package or higher trims. IIHS has not published a headlight rating for the 911, so the score reflects standard-equipment hardware a generation behind the LED-standard 992 rather than an independent test.

The 911's low beltline, sloping hood, and large windshield give better forward sightlines than most sports/exotic coupes, but reviewers note a relatively large rear roof pillar blocking part of the shoulder-check view, small mirrors, and a small rear window, with the backup camera rated only acceptable rather than excellent.

The 911's rear '+2' bench carries LATCH lower anchors and owners do fit compact convertible or booster seats, but the seat itself is tiny and shallow — more parcel shelf than true seating position — so installation is tight and only smaller/younger-child seats realistically fit.

The 2018 Carrera coupe carries Porsche's traditional 2+2 layout — nominally four seats, but the rear bench is vestigial and unusable by adults for anything beyond a short hop.

Front headroom is generous for a low-slung sports coupe thanks to the 911's tall greenhouse relative to its rivals.

Front legroom is mid-pack for the segment — adjustable via the standard power seat and telescoping column, with the optional 18-way seats and column adding further reach.

No manufacturer figure is published separately for the 2+2 rear seats; owner and reviewer accounts consistently describe the rear headroom as severely cut by the sloping fastback roofline, usable only by small children with heads bowed.

Porsche does not publish a discrete rear legroom figure; forum and press consensus for the 991.2 2+2 is that rear legroom disappears almost entirely once the front seats are set for an adult driver, leaving the rear bench usable mainly as extra cargo shelf or for small children.

Being rear-engined, the 911's only true trunk is the front 'frunk'; it is small even by sports-coupe standards, though the rear seat shelf adds meaningful overflow space unavailable to two-seat rivals.

Beyond the front trunk and rear shelf, in-cabin storage is sparse and typically Porsche: a shallow console bin, a modest glovebox, door pockets, and little else — functional but nothing standout compared with everyday cars, though the rear seat area does add usable overflow space most two-seat rivals lack.

Reviewers repeatedly single out the 911's front seats — even the standard sport seats, and especially the optional 18-way adaptive sport seats — as offering rare long-distance comfort combined with real lateral support, a genuine segment benchmark.

The 991.2 Carrera is repeatedly praised as exceptionally composed for a sports car — Edmunds calls it 'the standard-bearer of comfort among sports cars' with a firm but forgiving ride — though PASM adaptive dampers are a standalone option on the base Carrera rather than standard as on the Carrera S.

Wind and road noise are well controlled for a sports car at cruising speed, but the flat-six and sport exhaust (standard or optional) are deliberately present in the cabin under load — quiet by sports-car standards, not by luxury-sedan standards.

Automatic dual-zone climate control is standard, and heated seats/steering wheel are available, but ventilated seats, rear climate (irrelevant given the seats), and remote pre-conditioning are limited or absent — a reasonably equipped but not class-leading comfort package for the price point.

Entry point to the 2018 911 lineup is the rear-wheel-drive Carrera coupe; higher trims (Carrera S, 4S, GTS, Turbo, GT2 RS) run well above this.

The Carrera S coupe outsells the base Carrera in the US and is the more representative volume trim for the 911 nameplate; Porsche's expensive options list (Sport Chrono, PASM, wheels, leather) routinely adds $5-10k to the sticker.

Naturally-sorted 991.2 flat-six is comparatively cheap to service versus turbo/GT variants, but Porsche routine service and parts remain well above mainstream segment norms.

The 911 is consistently cited as one of the best value-retaining vehicles sold in the US, well ahead of the luxury sports car segment norm.

Standard Porsche New Vehicle Limited Warranty term for the 2018 model year, mid-pack for the segment's 3-5 year norm.

Porsche does not offer an extended powertrain-specific term the way many mainstream and even some luxury rivals do (5-10 years is typical); the drivetrain is covered only for the same 4-year/50k basic period.

No complimentary scheduled maintenance is bundled at purchase (Porsche's PSMP maintenance plan is a separate paid product), but Porsche Roadside Assistance runs free for the full 4-year warranty term — battery jump-starts, flat-tire help, complimentary emergency fuel delivery, and towing to an authorized dealer.

$125,000 volume-trim price minus its estimated resale value after 5 years (68% retained, or about $85,000) leaves about $40,000 in depreciation. Add the projected $6,800 in 5-year maintenance and repairs, and owning this vehicle for 5 years costs about $46,800 in total.

Sources genuinely disagree for this model year: Consumer Reports scored the 2018 911 a below-average 49/100 predicted reliability, while J.D. Power gave it an above-average 4/5 predicted reliability rating. That split — not a clean above- or below-average read — is the mixed-signal case the scoring band describes.

Porsche has one of the strongest multi-year dependability track records of any brand, consistently finishing top-2 in J.D. Power's Vehicle Dependability Study across this era.

Only two NHTSA campaigns touch the 2018 911: a side airbag sensor re-torque affecting a range of Porsche models, and an owner's-manual child-restraint instruction supplement limited to GT3/GT2 RS variants. Neither is a powertrain, fire, or systemic safety defect, and both are simple dealer fixes.

The 991.2's 3.0L twin-turbo flat-six (a clean-sheet MA2.xx-family design, unrelated to the older M96/M97 IMS-bearing-era engines) has proven durable with no systemic failure pattern reported; owner forums flag only minor, non-systemic issues like vacuum line/solenoid faults and occasional coolant pipe seepage.

Reviewers consistently single out the 911's cabin materials as exceptional for the segment — soft-touch surfaces, dense switchgear, and tight tolerances throughout regardless of trim.

Assembly quality is repeatedly called out as a strength — tight panel gaps and consistent build with only isolated minor complaints (e.g. a single clunky plastic knob in one long-term test), not a pattern of rattles or misalignment.

Porsche's US dealer footprint is thinner than mass-market or larger luxury rivals, but the network is consistently rated the best-in-class for service experience, a standing that has held for years running.

Common service items are available, but 911 parts and labor run well above mainstream and even many luxury rivals — routine maintenance runs $1,000-2,000/year with major services climbing toward $3,500, and individual OEM parts (e.g. a base-model brake rotor near $300) price well above segment norms.

The 991.2-generation 911 uses Porsche's PCM 4.0 with a single 7-inch touchscreen; there is no larger optional display for the 2018 model year.

PCM 4.0 is generally regarded as clean and logically laid out with real physical shortcut buttons flanking the screen, but the touch response and menu depth trail contemporary luxury systems, and graphics look dated next to newer competitors' larger, sharper displays.

Apple CarPlay is standard on PCM 4.0 but wired-only via the console/glovebox USB port; Android Auto is not offered at all on the 991.2 generation, a notable gap versus mainstream rivals.

PCM 4.0's built-in voice control and navigation are functional but unsophisticated by 2018 standards — most owners default to CarPlay's Siri and Apple Maps instead of the native system for anything beyond basic destination entry.

The standard Sound Package Plus is competent, and the optional 12-speaker, 555-watt Bose Surround Sound and range-topping Burmester High-End Surround Sound (with more speakers and higher wattage) are both well regarded — strong options, but the base system is unremarkable and the best audio requires a costly upgrade.

The 991.2 cluster is five analog gauges with a single small reconfigurable TFT screen inset in the tachometer for trip/nav/media info — a partial digital display, not the full configurable digital cluster later 911s (992, 2020+) introduced.

The 991.2's PCM 4.0/Connect Plus supports online map and traffic data refresh over its built-in SIM but has no whole-vehicle software OTA update capability — that arrived with later Porsche platforms.

Porsche Connect (standard via Connect Plus) provides a serviceable app: remote lock check, vehicle locate with horn/flash, vehicle status (tire pressure, service interval) and trip data, but lacks the deeper remote-start/climate and digital-key features that EV and mainstream-luxury rivals were rolling out by 2018, and richer features sit behind a subscription after the initial trial.

The 2018 911 offers a single USB port (in the glovebox/console smartphone tray) plus a 12V outlet; there is no wireless phone charging pad and no rear-seat power given the token rear space.

The 2018 911's volume configuration still uses a traditional key that must be inserted into the driver-side ignition slot to start; hands-free 'Entry & Drive' proximity keyless access was a rarely-optioned extra rather than standard equipment, and there is no phone-as-key.

A reversing camera with front/rear ParkAssist sensors is standard for 2018, which is generous for the segment, but the higher-resolution Surround View system with active parking assistance remains a separate paid option.

No head-up display of any kind was offered on the 991.2-generation 911; Porsche did not introduce a factory HUD to the 911 line until the 992.2 update years later.

LATCH anchors exist in the rear '+2' seats and small children can technically ride there, but loading is awkward through a two-door coupe body, the seats accommodate only compact convertible/booster seats, and there is no realistic room for a rear-facing infant seat behind an adult driver.

Neither NHTSA nor IIHS has ever crash-tested the 911, and key driver-assist features (adaptive cruise, lane keep, blind-spot) are costly options rather than standard equipment on the volume Carrera — a weak family safety proposition regardless of the car's inherent structural strength.

Front-seat comfort is excellent, but with the rear seats essentially unusable by anyone beyond a small child on a short trip and only a 5.1-cu-ft front trunk, the 911 cannot credibly carry a family and its gear on a multi-hour trip.

Despite its performance focus, reviewers consistently note the 991.2 Carrera is unusually easy to live with day to day: a forgiving ride even on sport suspension, light-effort PDK gearbox, good forward visibility, and a comfortable driving position.

EPA-rated in the mid-20s combined MPG is reasonable for the performance on offer but well below true commuter norms, and running costs (premium fuel, tires, service) are meaningfully higher than a mainstream commuter car.

The 911's compact footprint (177.1 in overall length), tight ~36-37 ft turning circle, standard front/rear ParkAssist with a reversing camera, and excellent outward sightlines make it notably easy to park and thread through traffic for a performance coupe.

The 911 has no towing capacity, no bed or usable load floor, and a tiny front trunk — it is not a work vehicle in any conventional sense.

The 991-generation flat-six and PDK have a strong long-term reliability reputation among sports cars, but the 911 is a low-volume luxury sports coupe with no fleet or work-duty use case, and its low ground clearance and delicate front fascia make it unsuited to any abuse.

There are no tie-downs, no onboard 120V power, no rack/upfit ecosystem, and no washable/rugged interior surfaces on offer — the 911 has zero jobsite practicality.

Front-seat comfort, ride quality, and a highway-composed cabin support long stints, but a modest ~17.9-gallon tank combined with mid-20s MPG limits range between fuel stops versus true grand tourers, and driver-assist fatigue reduction (adaptive cruise) is optional, not standard.

Low ride height, no all-terrain capability, RWD on the volume Carrera (AWD only on separate Carrera 4 trims), and no roof rack or accessory ecosystem make the 911 purely pavement-bound with essentially no adventure/outdoor utility.

Total usable space tops out around 9.1-14.3 cu ft combining the front trunk and rear seat shelf, with no fold-flat rear seats, no roof rails, and no hitch — enough for a couple's weekend bags but restrictive for bulky gear.

The 991.2 Carrera is repeatedly rated among the best-handling sports cars on sale in 2018: instant turn-in, a flat, even-keeled body, and — with the optional PASM sport suspension, Porsche Torque Vectoring, and rear-axle steering — dynamics reviewers compared favorably to the smaller, more focused Cayman.

Steering is accurately weighted and precise with rear-axle steer aiding both low-speed maneuvers and high-speed stability, though reviewers noted the 991.2's electrically assisted rack gives up some of the raw road feedback of the naturally aspirated, hydraulically-assisted 991.1 that preceded it.

The 911 posts strong, repeatable stopping performance with a firm, confidence-inspiring pedal; instrumented testing recorded an excellent 60-0 mph distance, and optional PCCB carbon-ceramic brakes are available for even greater fade resistance.

The turbocharged 3.0L flat-six paired with the 7-speed PDK is calibrated for near-seamless response — reviewers noted only slightly more perceptible turbo lag than the naturally aspirated engine it replaced, otherwise praising crisp, immediate delivery and flawless dual-clutch shifts.

The flat-six's exhaust note is a deliberate part of the 911 experience — vocal and characterful under load, especially with the optional sport exhaust — while remaining smooth and free of unwanted harshness or vibration through the controls at a cruise.

A mid-pack turning circle for the coupe segment, unchanged across the 991.2-generation Carrera/Carrera S bodyshell for this model year; optional rear-axle steering (not fitted to the base Carrera) would tighten this to 35.1 ft.

Reviewers single out the 911's driving position as a highlight: a low, supportive seat with wide adjustment range (further extended by the optional 18-way sport seats and power tilt/telescope column), good pedal placement, and controls within easy reach.

The 2018 Carrera remains an enthusiast benchmark — engaging handling, a charismatic turbocharged flat-six, strong brakes, and a well-sorted chassis combine for a car reviewers consistently recommend as genuinely fun to drive, not merely fast.

The base 2018 Carrera is comparatively bare for a $91k car — Porsche's option sheet charges extra for items rivals bundle standard (upgraded infotainment features, PASM adaptive suspension, Sport Chrono, heated/ventilated seats, even some ambient lighting), a long-standing and widely-criticized Porsche practice.

Performance-per-dollar is strong — a 370-hp twin-turbo flat-six, sub-4-second 0-60 mph and benchmark chassis dynamics for well under exotic-car money — but once typically optioned, overall content-for-price lags value leaders like the Corvette or Mustang in this peer set.

One of the widest lineups in the industry for 2018: Carrera, Carrera S, Carrera 4/4S, Carrera T, GTS, Targa, Cabriolet, Turbo, Turbo S, GT2 RS and GT3, spanning coupe/convertible/Targa body styles and RWD/AWD, manual/PDK.

The 911 is a consistent, steady seller and the benchmark volume leader within its price tier of sports/GT cars, without the volatility of niche low-volume rivals.

Porsche, and the 911 specifically, is the enthusiast benchmark brand/nameplate combination in this class — an aspirational halo with an intensely loyal following.

Porsche dealers rarely discount the 911; desirable configurations frequently transact at or near MSRP with limited allocation, leaving little negotiating room for buyers.

2018 is the final model year of the 991.2 generation (facelifted 2016) before the all-new 992-generation 911 replaces it for the following model year — an aging platform on the eve of a full redesign.

Near-universal acclaim as the segment-benchmark sports car, though it sat outside Car and Driver's 2018 10Best field (which that year recognized sibling Boxster/Cayman) since 10Best typically excludes cars at the 911's price point rather than judging it unfavorably.