Performance Review: Porsche Cayman GT4 RS 4.0 982 - [2021]

Figures & Specs Summary:

Porsche Cayman Performance Review.

Introduction:

This edition of the Porsche Cayman GT4 RS 4.0 982 is the 7 speed / Auto version and was first brought out in 2021. This was at around the same time as the introduction of the 2021 McMurtry Speirling Goodwood and the 2021 Rimac Nevera 1888bhp Electric AWD.This particular Porsche Cayman has a 3996cc Naturally Aspirated Petrol powerplant with 6 cylinders in a F formation.

Alternative Petrol F6's includes the 2017 Porsche 911 GT2 RS

The Cayman shares its Petrol F6 engine configuration with the likes of the 2017 Porsche 911 GT2 RS and the 2016 Porsche 911 Turbo S 991 II. If you're looking for other fast cars which share the Cayman's Rear Wheel Drive, Coupe combination then how about the 1982 Fiat X1/9 1.5 8V or the 1965 Aston-Martin DB6 1965.

Power and Weight:

Weighing in at 1490 kgs (3284 lbs) this makes the Porsche Cayman GT4 RS 4.0 982 in the same weight category as the 2023 Toyota Corolla GR Circuit Edition 1.6 Turbo or the give or take 50kg.

The Porsche Cayman shares the same bhp with the 2024 Ford Mustang Dark Horse 5.0 V8 (500 bhp)

In terms of power the 3996cc 24V F6 engine produces 493 bhp (367 kW) @ 8400 rpm similar to the 2024 Ford Mustang Dark Horse 5.0 V8 (500 bhp) or the 2023 Porsche Boxster Spyder RS 4.0 982 (493 bhp).

The Naturally Aspirated F6 throws out 332 lb-ft (450.1 Nm) @ 6750 rpm placing it with cars of similar torque performance figures such as the 2023 Porsche Boxster Spyder RS 4.0 982 (332 lb-ft) or the 2023 Porsche Cayenne E-Hybrid 3.0 V6 Turbo (310 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the Porsche Cayman you can get a better idea of it's real world performance.

The 1991 Maserati Barchetta Stradale 2.0 V6 Biturbo (355.8 bhp per ton) has similar Bhp Per Ton stats as the Porsche Cayman.

The Porsche Cayman has a Power to weight ratio of 330.8 bhp per ton and 222.8 lb-ft per ton. Bhp Per Ton figures of the 2021 Cayman competing with the 1991 Maserati Barchetta Stradale 2.0 V6 Biturbo (355.8 bhp per ton) or the 2006 Chevrolet Corvette Z06 (355.6 bhp per ton).

Power to Weight(cont.):

If you agree with the late great Carroll Shelby then arguably an even better indicator of potential performance, Torque. Use weight as well and you end up with - Torque per ton, with the Porsche Cayman generating around 222.8 lb-ft per ton. If you're curious as to what other cars have as much torque to weight then look no further than the 2007 Aston-Martin DBS V12 2d (247.7 lb-ft per ton) or the 1985 Lamborghini Countach LP5000S QV (247.6 lb-ft per ton).

Acceleration:

With a 0-60mph time of 3.20 secs or a 0-100km/h (0-62mph) of 3.3 secs, this made the Porsche Cayman GT4 RS 4.0 982 as fast as the 2023 Aston-Martin DBS 770 Ultimate 5.2 V12 Twin Turbo (3.20 secs) the 2022 Porsche 911 Dakar 3.0 Turbo 992 II (3.20 secs) the 2021 BMW 5 Series M5 4.4 V8 Turbo F90 (3.20 secs) the or the 2021 Porsche 911 GT3 PDK 992 (3.20 secs). This Porsche Cayman GT4 RS 4.0 982 is also faster than the 2023 Ferrari Roma Spider 3.9 V8 Turbo (3.30 secs) the 2023 BMW 3 Series M3 CS 3.0 Twin Turbo G80 (3.30 secs) the 2023 Porsche Boxster Spyder RS 4.0 982 (3.30 secs) the and the 2022 KTM X-Bow GT-XR 2.5 Turbo (3.30 secs).

Quarter Mile time is a close race between the Cayman and the 2018 Bentley Bentayga Hybrid 3.0 V6 Turbo

When talking about the performance of the Porsche Cayman on the drag strip it can reach a quarter mile in an estimated 11.96 secs @ 114.4 mph. Similar performance down the quarter mile can be found with the the 2018 Bentley Bentayga Hybrid 3.0 V6 Turbo (11.91 secs), the 2004 Vauxhall-Opel Monaro 5.7 V8 VXR (11.93 secs), and the 2003 Maserati 4200 GT 4.2 V8 (11.94 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2021 version of the Porsche Cayman GT4 RS 4.0 982 has a maximum speed of 196mph.

Top Speed of the 2021 Cayman equals the 2019 Bentley Flying Spur 6.0 W12 Twin Turbo (207 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2021 Porsche Cayman GT4 RS 4.0 982 then how about the 2019 Bentley Flying Spur 6.0 W12 Twin Turbo (207 mph), the 2018 Bentley Continental GT 6.0 W12 Convertible (207 mph), or the 2017 Bentley Continental GT 6.0 W12 Turbo (207 mph).

Related Links:

2021 Cayman Rivals List.

A Brief History of Porsche

Car Comparison