Performance Review: Monteverdi Hai 450 GTS - [1973]

Figures & Specs Summary:

Monteverdi Hai Performance Review.

Introduction:

This edition of the Monteverdi Hai 450 GTS is the 5 speed / Manual version and was first brought out in 1973. This was at around the same time as the introduction of the 1973 Ferrari 365 GTB/4 Daytona and the 1974 Lamborghini Countach LP400.This particular Monteverdi Hai has a 6974cc Naturally Aspirated Petrol powerplant with 8 cylinders in a V formation.

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

The Hai 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 Hai'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 1290 kgs (2843 lbs) this makes the Monteverdi Hai 450 GTS in the same weight category as the 2023 Pagani Utopia 6.0 V12 Twin Turbo or the give or take 50kg.

The Monteverdi Hai shares the same bhp with the 2024 Chevrolet Corvette E-Ray 6.2 V8 Petrol Hybrid C8 (369 bhp)

In terms of power the 6974cc 16V V8 engine produces 390 bhp (290 kW) @ 5000 rpm similar to the 2024 Chevrolet Corvette E-Ray 6.2 V8 Petrol Hybrid C8 (369 bhp) or the 2022 Lotus Emira First Edition 3.5 V6 Supercharged Auto (395 bhp).

The Naturally Aspirated V8 throws out 432 lb-ft (585.7 Nm) @ 4000 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 Monteverdi Hai 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 Monteverdi Hai.

The Monteverdi Hai has a Power to weight ratio of 302.3 bhp per ton and 334.8 lb-ft per ton. Bhp Per Ton figures of the 1973 Hai 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 Monteverdi Hai generating around 334.8 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 2012 Mercedes SL Class 63 AMG Performance Package (359.8 lb-ft per ton) or the 2017 Mercedes SL Class 63 AMG Cabriolet (359.8 lb-ft per ton).

Acceleration:

With a 0-60mph time of 4.50 secs or a 0-100km/h (0-62mph) of 4.6 secs, this made the Monteverdi Hai 450 GTS as fast as the 2022 BMW i7 xDrive60 (4.50 secs) the 2021 BMW 2 Series M240i xDrive 3.0 Turbo F23 (4.50 secs) the 2021 Rolls-Royce Ghost Black Badge 6.6 V12 Twin turbo (4.50 secs) the or the 2021 BMW 2 Series M240i xDrive Cabrio 3.0 Turbo F23 (4.50 secs). This Monteverdi Hai 450 GTS is also faster than the 2023 Porsche Cayenne Coupe E-Hybrid 3.0 V6 Turbo (4.60 secs) the 2023 Porsche Cayenne E-Hybrid 3.0 V6 Turbo (4.60 secs) the 2021 BMW 2 Series M240i 3.0 Cabrio Turbo F23 (4.60 secs) the and the 2020 Audi A3 S3 Saloon (4.60 secs).

Quarter Mile time is a close race between the Hai and the 2002 Porsche 911 Carrera 4 996

When talking about the performance of the Monteverdi Hai on the drag strip it can reach a quarter mile in an estimated 12.2 secs @ 112.1 mph. Similar performance down the quarter mile can be found with the the 2002 Porsche 911 Carrera 4 996 (12.15 secs), the 2017 Maserati GranCabrio Sport 4.7 V8 (12.17 secs), and the 2017 Seat Leon Cupra 300 (12.17 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 1973 version of the Monteverdi Hai 450 GTS has a maximum speed of 174mph.

Top Speed of the 1973 Hai equals the 2015 Aston-Martin Vantage GT3 5.9 V12 (185 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 1973 Monteverdi Hai 450 GTS then how about the 2015 Aston-Martin Vantage GT3 5.9 V12 (185 mph), the 2014 Radical RXC 3.5 V6 Twin Turbo (185 mph), or the 2012 Maserati GranTurismo Sport 4.8 V8 Automatic (185 mph).

Related Links:

1973 Hai Rivals List.

A Brief History of Monteverdi

Car Comparison