Performance Review: AC 428 Coupe 7.0L V8 - [1967]

Figures & Specs Summary:

AC 428 Performance Review.

Introduction:

This edition of the AC 428 Coupe 7.0L V8 is the 3 speed / Auto version and was first brought out in 1967. This was at around the same time as the introduction of the 1968 Dodge Dart Hemi 7.0 V8 and the 1968 Plymouth Road Runner 426 Hemi V8 1st Gen.This particular AC 428 has a 7010cc Naturally Aspirated Petrol powerplant with 8 cylinders in a V formation.

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

The 428 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 428'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 1483 kgs (3269 lbs) this makes the AC 428 Coupe 7.0L V8 in the same weight category as the 2023 Porsche Boxster Spyder RS 4.0 982 or the give or take 50kg.

The AC 428 shares the same bhp with the 2024 Mazda CX-90 S 3.3 Turbo (340 bhp)

In terms of power the 7010cc 16V V8 engine produces 345 bhp (257 kW) @ 4600 rpm similar to the 2024 Mazda CX-90 S 3.3 Turbo (340 bhp) or the 2024 Chevrolet Corvette E-Ray 6.2 V8 Petrol Hybrid C8 (369 bhp).

The Naturally Aspirated V8 throws out 462 lb-ft (626.3 Nm) @ 2800 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 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 AC 428 you can get a better idea of it's real world performance.

The 2008 Aston-Martin Vantage V8 (257.6 bhp per ton) has similar Bhp Per Ton stats as the AC 428.

The AC 428 has a Power to weight ratio of 232.6 bhp per ton and 311.5 lb-ft per ton. Bhp Per Ton figures of the 1967 428 competing with the 2008 Aston-Martin Vantage V8 (257.6 bhp per ton) or the 1966 Chevrolet Chevy II Nova SS 327 V8 Turbo Fire 350hp (257.6 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 AC 428 generating around 311.5 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 1970 Monteverdi Hai 450 SS (334.8 lb-ft per ton) or the 1973 Monteverdi Hai 450 GTS (334.8 lb-ft per ton).

Acceleration:

With a 0-60mph time of 5.40 secs or a 0-100km/h (0-62mph) of 5.6 secs, this made the AC 428 Coupe 7.0L V8 as fast as the 2023 Porsche Cayenne Coupe 3.0 V6 Turbo (5.40 secs) the 2023 Porsche Cayenne 3.0 V6 Turbo (5.40 secs) the 2019 Jaguar F Type 2.0 Turbo Cabriolet (5.40 secs) the or the 2019 Jaguar F Type 2.0 Turbo (5.40 secs). This AC 428 Coupe 7.0L V8 is also faster than the 2019 Ford Focus ST 2.3 EcoBoost (5.50 secs) the 2017 Seat Leon SC Cupra 300 (5.50 secs) the 2017 Seat Leon Cupra 300 DSG (5.50 secs) the and the 2017 Honda Civic Type R 2.0i 16v Turbo - FK8 (5.50 secs).

Quarter Mile time is a close race between the 428 and the 2009 Lotus Evora 3.5 V6

When talking about the performance of the AC 428 on the drag strip it can reach a quarter mile in an estimated 13.44 secs @ 101.7 mph. Similar performance down the quarter mile can be found with the the 2009 Lotus Evora 3.5 V6 (13.40 secs), the 2006 Mercedes G Class G 55 AMG Kompressor (13.41 secs), and the 2022 Porsche 911 Carrera T 3.0 Turbo PDK 992 (13.41 secs).

Top Speed:

Modern performance cars are often artificially restricted to 155mph. The 1967 version of the AC 428 Coupe 7.0L V8 has a maximum speed of 145mph.

Top Speed of the 1967 428 equals the 2007 Lotus 2-Eleven 1.8 Supercharged (156 mph)

If maxing out your car on the AutoBahn is your thing and you're wondering what's faster than the 1967 AC 428 Coupe 7.0L V8 then how about the 2007 Lotus 2-Eleven 1.8 Supercharged (156 mph), the 2003 Ford Mustang Mach 1 (156 mph), or the 1999 Nissan Skyline R34 GTR (156 mph).

Related Links:

1967 428 Rivals List.

A Brief History of AC

Car Comparison