Performance Review: Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo - [2015]

Figures & Specs Summary:

Alfa-Romeo Giulia Performance Review.

Introduction:

This edition of the Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo is the 6 speed / Manual 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 Alfa-Romeo Giulia has a 2891cc Twin Turbo Petrol powerplant with 6 cylinders in a V formation.

Alternative Petrol V6's includes the 2014 Radical RXC 3.5 V6 Twin Turbo

The Giulia shares its Petrol V6 engine configuration with the likes of the 2014 Radical RXC 3.5 V6 Twin Turbo and the 2015 Radical RXC Turbo 500 3.5 V6. If you're looking for other fast cars which share the Giulia's Rear Wheel Drive, Saloon 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 1524 kgs (3359 lbs) this makes the Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo in the same weight category as the 2022 Ferrari 296 GTS Assetto 3.0 V6 Twin Turbo Hybrid or the give or take 50kg.

The Alfa-Romeo Giulia shares the same bhp with the 2024 Ford Mustang Dark Horse 5.0 V8 (500 bhp)

In terms of power the 2891cc 24V V6 engine produces 505 bhp (376 kW) @ 6500 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 Twin Turbo V6 throws out 443 lb-ft (600.6 Nm) @ 2500 rpm placing it with cars of similar torque performance figures such as the 2024 Ford Mustang Dark Horse 5.0 V8 (418 lb-ft) or the 2023 Porsche Cayenne S 4.0 V8 Turbo (443 lb-ft).

Power to Weight:

If one combines the weight with power or torque performance for the Alfa-Romeo Giulia 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 Alfa-Romeo Giulia.

The Alfa-Romeo Giulia has a Power to weight ratio of 331.3 bhp per ton and 290.6 lb-ft per ton. Bhp Per Ton figures of the 2015 Giulia 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 Alfa-Romeo Giulia generating around 290.6 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 3.80 secs or a 0-100km/h (0-62mph) of 3.9 secs, this made the Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo as fast as 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 or the 2021 Mercedes SL Class 55 4Matic+ 4.0 V8 Twin Turbo (3.80 secs). This Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo is also faster than the 2022 Volkswagen-VW Golf R Performance 2.0 Turbo (3.90 secs) the 2022 BMW 2 Series M2 3.0 Twin Turbo G87 Steptronic (3.90 secs) the 2022 Porsche 911 Sport Classic 3.7 Turbo 992 (3.90 secs) the and the 2021 Porsche Taycan 4S Cross Turismo (3.90 secs).

Quarter Mile time is a close race between the Giulia and the 2017 BMW 7 Series 750i xDrive

When talking about the performance of the Alfa-Romeo Giulia on the drag strip it can reach a quarter mile in an estimated 11.8 secs @ 115.9 mph. Similar performance down the quarter mile can be found with the the 2017 BMW 7 Series 750i xDrive (11.75 secs), the 2011 Dodge Charger SRT8 6.4 V8 (11.76 secs), and the 2023 Toyota Corolla GR Morizo Edition 1.6 Turbo (11.76 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 2015 version of the Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo has a maximum speed of 191mph.

Top Speed of the 2015 Giulia 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 2015 Alfa-Romeo Giulia Quadrifoglio 2.9 V6 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:

2015 Giulia Rivals List.

A Brief History of Alfa-Romeo

Car Comparison