Holden HZ GTS Sedan

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Holden HZ GTS Sedan

Holden HZ GTS 4 Door Sedan

1977 - 1979
Country:
Australia
Engine:
V8
Capacity:
253/308 V8
Power:
180kW (308)
Transmission:
4 spd man; 3 spd Trimatic & Turbohydramatic 400
Top Speed:
n/a
Number Built:
n/a
Collectability:
5 star
Holden HZ GTS 4 Door Sedan
Reviewed by Unique Cars and Parts
Our Rating: 5

Introduction



The HZ Holden was released in late 1977 - and was unfortunately the last in the series of four HQ-based Holdens. This model was most noted as the first full-sized Holden to be fitted with GM-H's acclaimed Radial Tuned Suspension - a system that would become so successful that the other two members of the "Big Three", Ford and Chrysler, responded with their own revised suspension systems.

RTS made the entire HZ range a much better drive - but none more so that the best performing Holden then rolling off the production line, the GTS Sedan. The GTS was undoubtedly the flagship of the Holden range - and while it could be argued that the Statesman deserved the title, GM were not promoting that car as a Holden.

Despite the lack of a Monaro badge, Holden were unwilling to let the legend lapse, and just like the HX LE Coupe, the GTS Sedan was, at least to our mind, very much a member of the prestigous Monaro family. The GTS looked the goods too, sporting a mesh grille, subtle body stripes and detailing on optioned-up versions, which revived aspects of the HG Monaro GTS.

A four-headlight nose, body colour front and rear spoilers and bumpers and sports wheels also helped to make it more of a stand-alone package in the "Monaro" tradition. The GTS Sports Sedan came standard as a 253 4.2 V8, but you could add the 5.0 litre, power steering, plaid cloth seats, limited slip diff, electric windows and air-conditioning. Rear disc brakes were standard, seven inch polycast wheels or spoked wire wheels were optional. In May 1978 the 5.0 litre V8 became standard.

The HZ stayed in production until 1980 at which point GM-H had intended to replace it with a 'WB' Kingswood. Based on the Statesman, this was a bigger car than the HQ-HZ series and was designed to appeal to those for whom the more modern Commodore was too small. After all, sales of big Holden’s had remained strong after the 1978 launch of the Commodore.

In a decision they would regret, however, GM-H executives decided to can the WB. With a fuel crisis in progress, a series of corporate losses and sales graphs showing an overall decline in big car sales they were reluctant to release another big Holden model. It would be 1988 before the Holden was again able to compete head-on with the 'full-size' Falcon.

Whats In A Name?



Our previous article incorrectly claimed the HZ GTS Sedan was known as a Monaro despite the lack of any Monaro badge. There was some confusion at the time, and anything Holden adorned with a GTS decal was assumed by many, including us, to have been a Monaro. We still consider the car to be very much a member of the Monaro family, and with the addition of RTS it could well be considered to be the best. But for any confusion we have caused, we apologise. Below are some letters to and from GM-H which should put to rest any confusion, and we thank our valued reader for sending the information to us.
HZ GTS Sedan Question
HZ GTS Sedan Fishermans Bend Reply
Small Window Click picture for close up view
HZ Holden GTS Sedan Identification
Engine Number:
V8
Top left side of block
Body/Chassis Numbers(located to right hand side of frame):
8Q69
GTS Sedan
Engine Identification:
R
QR 253 HC (high compression) 4.2 litre V8
T
QT 308 HC (high compression) 5.0 litre V8
Model Year:
G
1977
H
1978
J
1979
Assembly Plant:
H1 - H4
Brisbane
H5 - H9
Sydney
J1 - J9
Dandenong
L1 - L5
Adelaide
5 Digit Serial Number:
The remaining numbers in the sequence are used as a serial number, based on the plant where it was manufactured, and each in numerical sequence. The final letter is "Z", identifying the model as a HZ GTS Sedan.

Visitor Rating:


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Also see:


Holden HZ Specifications
Holden Red Motor
Holden History
Holden Car Commercials
Nasco Holden Accessories Commercials
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