2018 Porsche 911 GT3 991

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Market Price $2,796 (1%) 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

25,303 mi

Exterior

Agate Grey Metallic

Interior

Black

Engine

4.0L H6

Transmission

Automatic

Drivetrain

Rear-wheel Drive

Body

Coupe

VIN

WP0AC2A92JS174176

About this car

The 2018 Porsche 911 GT3 delivers pure driving precision with its 4.0L H6 engine and rear-wheel-drive layout. Finished in Agate Grey Metallic, this coupe pairs its aggressive stance with a refined black interior that emphasizes driver focus. At 25,303 miles, the automatic transmission ensures effortless shifts while preserving the model's track-ready character.

Every element of the 911 GT3 is engineered for performance, from the wide body to the low-slung profile that measures just 51 inches in height. The combination of premium unleaded fuel requirements and strong highway efficiency makes this example equally suited for spirited road use or weekend track days.

2018 Porsche 911 GT3

Agate Grey Metallic exterior

Black interior

4.0L H6 engine

Automatic transmission

Rear-wheel drive

25,303 miles

Price vs. market

Market Price $2,796 (1%) below the median of 128 comparable listings.

Median This car

This car: $217,199
Median asking: $219,995
Comparables: 128 · 2016–2018
Median mileage: 14,657 mi (this car 25,303)

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

Agate Grey Metallic

Porsche factory color · paint code M7S

Agate Grey Metallic is a dark gray metallic paint that Porsche describes as a modern Porsche color. Its metallic finish carries warm undertones: it reads grayer than Anthracite Brown Metallic and warmer and brighter than Volcano Grey Metallic. Porsche introduced it as a standard color in early 2010 under factory code M7S, and it was part of the launch color range when the 991-generation 911 Targa went on sale in 2014. It has since appeared across the Porsche lineup, including the 911, Macan and other models.

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.

From the Journal

Nov 3, 2026

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2018 Porsche

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