Performance Review: Audi A8 S8 Plus 4.0 V8 Twin Turbo - [2015]

Figures & Specs Summary:

Audi A8 Performance Review.

Introduction:

This edition of the Audi A8 S8 Plus 4.0 V8 Twin Turbo is the 8 speed / Auto version and was first brought out in 2015. This was at around the same time as the introduction of the 2016 Bugatti Chiron 8.0 W16 Quad Turbo and the 2015 Koenigsegg Regera 5.0 V8 Turbo.This particular Audi A8 has a 3993cc Twin Turbo Petrol powerplant with 8 cylinders in a V formation.

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

The A8 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 A8's All Wheel Drive, Saloon combination then how about the or the .

Power and Weight:

Weighing in at 1990 kgs (4387 lbs) this makes the Audi A8 S8 Plus 4.0 V8 Twin Turbo in the same weight category as the 2022 BMW 8 Series M850i xDrive 4.4 V8 Turbo G15 or the give or take 50kg.

The Audi A8 shares the same bhp with the 2023 Ferrari Roma Spider 3.9 V8 Turbo (611 bhp)

In terms of power the 3993cc 32V V8 engine produces 597 bhp (445 kW) @ 6100 rpm similar to the 2023 Ferrari Roma Spider 3.9 V8 Turbo (611 bhp) or the 2023 BMW X5 M Competition 4.4 Turbo F95 (616 bhp).

The Twin Turbo V8 throws out 553 lb-ft (749.7 Nm) @ 2500 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 Ferrari Roma Spider 3.9 V8 Turbo (561 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the Audi A8 you can get a better idea of it's real world performance.

The 1991 Jaguar XJ 220 (325.0 bhp per ton) has similar Bhp Per Ton stats as the Audi A8.

The Audi A8 has a Power to weight ratio of 300.0 bhp per ton and 277.8 lb-ft per ton. Bhp Per Ton figures of the 2015 A8 competing with the 1991 Jaguar XJ 220 (325.0 bhp per ton) or the 2012 Aston-Martin Vanquish 5.9 V12 (324.8 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 Audi A8 generating around 277.8 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 2017 Mercedes E Class 63 S AMG 4Matic Estate (302.8 lb-ft per ton) or the 2016 Jaguar F Type SVR 5.0 V8 (302.6 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 Audi A8 S8 Plus 4.0 V8 Twin 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 Audi A8 S8 Plus 4.0 V8 Twin 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 A8 and the 2007 Porsche Cayenne 4.8 Turbo

When talking about the performance of the Audi A8 on the drag strip it can reach a quarter mile in an estimated 11.84 secs @ 115.6 mph. Similar performance down the quarter mile can be found with the the 2007 Porsche Cayenne 4.8 Turbo (11.79 secs), the 2013 Maserati Ghibli S Q4 3.0 V6 Turbo (11.80 secs), and the 2013 Audi A3 S3 2.0 Turbo (11.81 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2015 version of the Audi A8 S8 Plus 4.0 V8 Twin Turbo has a maximum speed of 190mph.

Top Speed of the 2015 A8 equals the 2020 Lamborghini Huracan EVO 5.2 V10 RWD Spyder (201 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 2015 Audi A8 S8 Plus 4.0 V8 Twin Turbo then how about the 2020 Lamborghini Huracan EVO 5.2 V10 RWD Spyder (201 mph), the 2020 Audi R8 5.2 V10 (201 mph), or the 2019 Audi R8 5.2 V10 RWD (201 mph).

Related Links:

2015 A8 Rivals List.

A Brief History of Audi

Car Comparison