Porsche 911 GT3 (991) – The Ultimate Driver’s 911

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Overview

The Porsche 911 GT3 (991), introduced in 2013, represented a major leap forward in the motorsport-derived GT3 lineup. Equipped with a high-revving naturally aspirated flat-six, rear-wheel steering, and a track-focused chassis, the 991 GT3 offered razor-sharp handling and uncompromising performance. The 991.2 GT3 later reintroduced the six-speed manual transmission, making it a favorite among purist drivers.

Available Variants

The Porsche 991 GT3 was available in two primary configurations:

• 911 GT3 (991.1): Introduced in 2013 with a 3.8L engine and PDK-only transmission.
• 911 GT3 (991.2): Introduced in 2017, featuring a 4.0L engine and an optional six-speed manual transmission.

Engine & Performance

The 991 GT3 continued the naturally aspirated, high-revving tradition while integrating advanced aerodynamics and suspension technology.

• Production Years: 2013-2019
• Engine Options:
  • 3.8L Naturally Aspirated Flat-6 (991.1 GT3)
  • 4.0L Naturally Aspirated Flat-6 (991.2 GT3)
• Horsepower:
  • 475 HP (GT3 991.1 3.8L)
  • 500 HP (GT3 991.2 4.0L)
• Torque:
  • 324 lb-ft (GT3 991.1 3.8L)
  • 339 lb-ft (GT3 991.2 4.0L)
• Fuel System: Direct Fuel Injection (DFI)
• Transmission Options: 7-speed PDK (991.1 & 991.2), 6-speed manual (991.2)
• Drivetrain: Rear-Wheel Drive (RWD)
• 0-60 mph:
  • 3.3 seconds (GT3 991.1 PDK)
  • 3.2 seconds (GT3 991.2 PDK)
  • 3.8 seconds (GT3 991.2 manual)
• Top Speed:
  • 195 mph (GT3 991.1)
  • 198 mph (GT3 991.2 manual)

Design & Features

The 991 GT3 featured a widebody stance, aggressive aerodynamics, and lightweight components to maximize track performance.

• Body Style: Coupe
• Seating Capacity: 2
• Weight: 3,153 lbs (GT3 991.1), 3,153 lbs (GT3 991.2 manual)
• Chassis Code: 991
• Wheelbase: 96.7 inches
• Notable Features: Lightweight construction, rear-wheel steering, active engine mounts, carbon-ceramic brakes (optional)

Production & Market Value

The 991 GT3 remains one of the most desirable modern track-focused 911s, with the 991.2 manual models gaining particular appreciation among enthusiasts.

FAQs

What makes the 991 GT3 special?

The 991 GT3 introduced rear-wheel steering, a lighter chassis, and increased power, making it one of the most engaging 911s to drive.

How does the 991 GT3 compare to previous generations?

The 991 GT3 improved aerodynamics, handling, and overall speed while offering a more refined cabin compared to the 997 GT3.

Is the Porsche 991 GT3 a good investment?

Yes, particularly 991.2 manual transmission models, which are highly sought after due to their rarity and driver-focused nature.