Performance Review: McLaren 675 LT Spider 4.0 V8 Twin Turbo - [2021]

Figures & Specs Summary:

McLaren 675 Performance Review.

Introduction:

This edition of the McLaren 675 LT Spider 4.0 V8 Twin Turbo 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 McLaren 675 has a 3994cc Twin Turbo Petrol powerplant with 8 cylinders in a V formation.

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

The 675 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 675's Rear Wheel Drive, Targa 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 1388 kgs (3060 lbs) this makes the McLaren 675 LT Spider 4.0 V8 Twin Turbo in the same weight category as the 2022 Koenigsegg CC850 4.9 V12 Twin Turbo or the give or take 50kg.

The McLaren 675 shares the same bhp with the 2023 McLaren 750S 4.0 V8 Twin Turbo (740 bhp)

In terms of power the 3994cc 32V V8 engine produces 755 bhp (563 kW) @ 7500 rpm similar to the 2023 McLaren 750S 4.0 V8 Twin Turbo (740 bhp) or the 2023 Aston-Martin Valour 5.2 V12 Twin Turbo (759 bhp).

The Twin Turbo V8 throws out 590 lb-ft (799.9 Nm) @ 5500 rpm placing it with cars of similar torque performance figures such as the 3996 Bentley Continental GT 4.0 V8 Turbo Convertible (568 lb-ft) or the 2023 McLaren 750S Spider 4.0 V8 Twin Turbo (590 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the McLaren 675 you can get a better idea of it's real world performance.

The 2020 McLaren 765LT 4.0 V8 Twin Turbo (563.8 bhp per ton) has similar Bhp Per Ton stats as the McLaren 675.

The McLaren 675 has a Power to weight ratio of 543.9 bhp per ton and 425.0 lb-ft per ton. Bhp Per Ton figures of the 2021 675 competing with the 2020 McLaren 765LT 4.0 V8 Twin Turbo (563.8 bhp per ton) or the 2008 Pagani Zonda Cinque 7.3L (560.3 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 McLaren 675 generating around 425.0 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 2017 Apollo Intensa Emozione 6.3 V12 (448.8 lb-ft per ton) or the 2019 Chevrolet Corvette ZR1 6.2 V8 Supercharged C7 (447.4 lb-ft per ton).

Acceleration:

With a 0-60mph time of 2.70 secs or a 0-100km/h (0-62mph) of 2.8 secs, this made the McLaren 675 LT Spider 4.0 V8 Twin Turbo as fast as the 2023 McLaren 750S 4.0 V8 Twin Turbo (2.70 secs) the 2023 McLaren 750S Spider 4.0 V8 Twin Turbo (2.70 secs) the 2022 Pagani Huayra Codalunga 6.0 V12 Twin-Turbo Long Tail (2.70 secs) the or the 2021 Lamborghini Countach LPI 800-4 6.5 V12 (2.70 secs). This McLaren 675 LT Spider 4.0 V8 Twin Turbo is also faster than the 2022 Mercedes AMG One 1.6 V6 Turbo Hybrid (2.80 secs) the 2022 Ferrari 296 GTS 3.0 V6 Twin Turbo Hybrid (2.80 secs) the 2022 Ferrari 296 GTS Assetto 3.0 V6 Twin Turbo Hybrid (2.80 secs) the and the 2021 Ferrari 296 GTB Assetto 3.0 V6 Twin Turbo Hybrid (2.80 secs).

Quarter Mile time is a close race between the 675 and the 1999 Ferrari 360 Modena F1

When talking about the performance of the McLaren 675 on the drag strip it can reach a quarter mile in an estimated 10.14 secs @ 134.9 mph. Similar performance down the quarter mile can be found with the the 1999 Ferrari 360 Modena F1 (10.10 secs), the 2017 Audi A3 RS3 Sportback 2.5 Turbo (10.10 secs), and the 2019 BMW X4 M Competition 3.0 Turbo F98 (10.10 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2021 version of the McLaren 675 LT Spider 4.0 V8 Twin Turbo has a maximum speed of 205mph.

Top Speed of the 2021 675 equals the 2017 Ford GT 3.5 V6 Bi-Turbo (216 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2021 McLaren 675 LT Spider 4.0 V8 Twin Turbo then how about the 2017 Ford GT 3.5 V6 Bi-Turbo (216 mph), the 2023 Lamborghini Revuelto 6.5 V12 Petrol Hybrid (217 mph), or the 2020 McLaren Sabre 4.0 V8 Twin Turbo (217 mph).

Related Links:

2021 675 Rivals List.

A Brief History of McLaren

Car Comparison