2018 Porsche 911 GT3 991

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Good Value $15,997 (7%) below the median of 128 comparable listings

This vehicle is offered by an independent dealer, not by Exotics Group. Price, mileage, equipment and availability come from the dealer and are not guaranteed.

Vehicle history

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At a glance

Year

2018

Mileage

21,448 mi

Exterior

Sapphire Blue Metallic

Interior

Black

Engine

4.0L H6

Transmission

Automatic

Drivetrain

Rear-wheel Drive

Body

Coupe

VIN

WP0AC2A96JS174715

About this car

This 2018 Porsche 911 GT3 represents the pinnacle of track-focused engineering wrapped in a sophisticated Sapphire Blue Metallic coupe body. With just 21,448 miles, the car delivers the precise driving dynamics and high-revving character that define the GT3 model line, finished in a striking exterior hue paired with a Black interior.

Power comes from a naturally aspirated 4.0L flat-six engine producing the signature GT3 soundtrack and performance, paired with a rear-wheel-drive layout and automatic transmission. The coupe’s athletic proportions are accentuated by its low-slung stance, measuring 180 inches in length and 51 inches in height, while delivering 17 mpg city and 24 mpg highway on premium unleaded fuel.

Every element of this 2018 Porsche 911 GT3 emphasizes lightweight construction, aerodynamic efficiency, and driver engagement, making it a compelling choice for enthusiasts seeking a low-mileage example of Porsche’s motorsport-derived excellence.

4.0L H6 engine

Automatic transmission

Rear-wheel drive

Sapphire Blue Metallic exterior

Black interior

21,448 miles

Coupe body style

Premium unleaded fuel

17 city / 24 highway mpg

Price vs. market

Good Value $15,997 (7%) below the median of 128 comparable listings.

Median This car

This car: $203,998
Median asking: $219,995
Comparables: 128 · 2016–2018
Median mileage: 14,657 mi (this car 21,448)

Compared with other active listings of the same model (model years ±2) on Exotics Group. These are dealers' asking prices, not sale prices, and condition, options, mileage and history are not adjusted for.

Factory color

Sapphire Blue Metallic

Porsche factory color · paint code M5J

Sapphire Blue Metallic is an official Porsche color in the Blue family with a metallic finish. It is listed in the Porsche Exclusive Manufaktur Paint to Sample catalog (factory code M5J) and is a special-order color unless it is a series color for the model.

About the Porsche 911 GT3 991

Production: 2011–2019
Cylinders: 6
Powertrain: Combustion
Body: Coupe

The Porsche 911 GT3 (991 generation) was produced between 2013 and 2019, marking a significant evolution in Porsche’s high-performance lineup. Approximately 10,000 units of the 991 GT3 were manufactured across its variants, including the standard GT3, GT3 RS, and limited editions, making it relatively rare compared to base 911 models. It is powered by a naturally aspirated 3.8-liter flat-six engine in early models, upgraded to a 4.0-liter in later versions (2017-2019), delivering between 475 and 520 horsepower depending on the variant. Performance highlights include a 0-60 mph time of around 3.0-3.5 seconds and a top speed exceeding 195 mph, with the GT3 RS achieving track-focused aerodynamics and handling.

For exotic car collectors, the 991 GT3 holds appeal due to its rarity, especially in manual transmission configurations offered in later years (991.2), and special editions like the GT3 Touring Package, which prioritizes understated styling. Historical significance lies in its return to a purist driving experience, with Porsche responding to enthusiast demand for manuals. Value trends show steady appreciation, particularly for low-mileage examples and RS variants, often fetching premiums in the $150,000-$250,000 range at auctions as of recent market data.

Price history

$203,998 Sep 3, 2026

$199,205 Aug 6, 2026

From the Journal

Nov 3, 2026

First-Time Supercar Buyer, Part 1: The Market Landscape for First-Time Buyers

Part 1 of First-Time Supercar Buyer: what an entry-level exotic costs in 2026, with current Exotics Group asking prices, Bring a Trailer...

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2018 Porsche

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