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2018 Porsche 911 GT3 991, photo 1
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At a glance

Year
2018
Mileage
9,737 mi
Exterior
Graphite Blue Metallic
Interior
Leather/alcantara in Black With Platinum Grey Stitching
Engine
4.0L H6
Transmission
Automatic
Drivetrain
Rear-wheel Drive
Body
Coupe
VIN
WP0AC2A9XJS175270

About this car

The 2018 Porsche 911 GT3 (991 II) delivers precision engineering in a striking Graphite Blue Metallic coupe body. This rear-wheel-drive model pairs its naturally aspirated 4.0L H6 engine with an automatic transmission, offering a focused driving experience backed by just 9,737 miles.

Inside, the cabin is finished in leather and alcantara in Black with Platinum Grey stitching, creating a sport-oriented yet refined environment that matches the car's performance intent. The overall design emphasizes lightweight construction and aerodynamic efficiency typical of the GT3 lineage.

2018 Porsche 911 GT3 (991 II)
Graphite Blue Metallic exterior
Leather/alcantara in Black with Platinum Grey stitching interior
4.0L H6 engine
Automatic transmission
Rear-wheel drive
9,737 miles

Price vs. market

Good Value $20,001 (9%) below the median of 128 comparable listings.

This car
$199,994
Median asking
$219,995
Comparables
128 · 2016–2018
Median mileage
14,735 mi (this car 9,737)

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

Graphite Blue Metallic

Porsche factory color · paint code M5G

Graphite Blue Metallic is an official Porsche color in the Grey family with a metallic finish. It is listed in the Porsche Exclusive Manufaktur Paint to Sample catalog (factory code M5G) 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

$199,994 Sep 3, 2026
$210,918 Sep 3, 2026

Mileage history

9,737 mi Sep 3, 2026
9,651 mi Sep 3, 2026

From the Journal

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