Performance Review: Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo - [2020]

Figures & Specs Summary:

Mercedes GT Performance Review.

Introduction:

This edition of the Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo is the 7 speed / Auto version and was first brought out in 2020. 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 Mercedes GT has a 3982cc Bi-Turbo Petrol powerplant with 8 cylinders in a V formation.

Alternative Petrol V8's includes the 2023 Dodge Challenger SRT Demon 170

The GT shares its Petrol V8 engine configuration with the likes of the 2023 Dodge Challenger SRT Demon 170 and the 2023 Ferrari SF 90 XX Spider 4.0 V8 Turbo. If you're looking for other fast cars which share the GT's Rear Wheel Drive, Cabriolet 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 1700 kgs (3747 lbs) this makes the Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo in the same weight category as the 2023 Aston-Martin Valour 5.2 V12 Twin Turbo or the give or take 50kg.

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

In terms of power the 3982cc 32V V8 engine produces 515 bhp (384 kW) @ 6000 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 Bi-Turbo V8 throws out 494 lb-ft (669.7 Nm) @ 1750 rpm placing it with cars of similar torque performance figures such as the 2024 Chevrolet Corvette E-Ray 6.2 V8 Petrol Hybrid C8 (470 lb-ft) or the 2023 BMW 3 Series M3 CS 3.0 Twin Turbo G80 (479 lb-ft).

Power to Weight:

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

The 2019 Porsche Taycan Turbo S (327.2 bhp per ton) has similar Bhp Per Ton stats as the Mercedes GT.

The Mercedes GT has a Power to weight ratio of 302.9 bhp per ton and 290.5 lb-ft per ton. Bhp Per Ton figures of the 2020 GT competing with the 2019 Porsche Taycan Turbo S (327.2 bhp per ton) or the 2013 Porsche 911 GT3 3.8 991 (327.2 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 Mercedes GT generating around 290.5 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 1984 Ferrari 288 GTO (315.2 lb-ft per ton) or the 2003 Porsche Carrera GT (315.2 lb-ft per ton).

Acceleration:

With a 0-60mph time of 3.70 secs or a 0-100km/h (0-62mph) of 3.8 secs, this made the Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo as fast as the 2022 BMW 8 Series M850i xDrive 4.4 V8 Turbo G15 (3.70 secs) the 2022 Ford Mustang Shelby GT500 (3.70 secs) the 2021 Porsche 911 GT3 Touring 992 (3.70 secs) the or the 2021 Porsche 911 GT3 992 (3.70 secs). This Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo is also faster than the 2023 BMW X5 M Competition 4.4 Turbo F95 (3.80 secs) the 2022 Porsche 911 Carrera T 3.0 Turbo PDK 992 (3.80 secs) the 2021 BMW i4 M50 (3.80 secs) the and the 2021 Mercedes SL Class 55 4Matic+ 4.0 V8 Twin Turbo (3.80 secs).

Quarter Mile time is a close race between the GT and the 2004 Mercedes SLK Class 55 AMG

When talking about the performance of the Mercedes GT on the drag strip it can reach a quarter mile in an estimated 12.29 secs @ 111.3 mph. Similar performance down the quarter mile can be found with the the 2004 Mercedes SLK Class 55 AMG (12.23 secs), the 1997 Porsche 911 Carrera 996 (12.23 secs), and the 1969 Pontiac GTO The Judge 6.5L V8 (12.23 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2020 version of the Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo has a maximum speed of 191mph.

Top Speed of the 2020 GT equals the 2022 Lamborghini Huracan Tecnica 5.2 V10 (202 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2020 Mercedes GT AMG S Roadster 4.0 V8 Bi Turbo then how about the 2022 Lamborghini Huracan Tecnica 5.2 V10 (202 mph), the 2021 Maserati MC20 3.0 V6 Twin Turbo (202 mph), or the 2020 Lamborghini Huracan EVO 5.2 V10 RWD (202 mph).

Related Links:

2020 GT Rivals List.

A Brief History of Mercedes

Car Comparison