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The Holden HQ series is a range of automobiles that was produced by General Motors-Holden’s in Australia from 1971 to 1974. The HQ was released on 15 July 1971, replacing the Holden HG series. It was the first ground up redesign of the Holden since its released in 1948 and included all new body, chassis and suspension.

Model range

The mainstream passenger car range consisted of 4-door sedan and 5-door station wagon models in three trim levels.

  • Holden Belmont Sedan
  • Holden Kingswood Sedan
  • Holden Premier Sedan
  • Holden Belmont Station Wagon
  • Holden Kingswood Station Wagon
  • Holden Premier Station Wagon

A Holden SS Sedan was released in August 1972. Although marketed as a separate model in reality it was a Belmont V8 Sedan fitted with Option XV2.

The Monaro range initially consisted only of 2-door coupes.

  • Holden Monaro
  • Holden Monaro GTS
  • Holden Monaro GTS 350
  • Holden Monaro LS

A 4-door sedan variant of the Monaro GTS was released in March 1973.

The commercial vehicle range included coupe utility, panel van and cab chassis truck models.

  • Holden Belmont Utility
  • Holden Kingswood Utility
  • Holden Belmont Panel Van
  • Holden One Tonner

The One Tonner, which was new for the HQ series, was a cab chassis truck. A Sandman option, which was offered on Utility and Panel Van models from January 1974, included various “sports” items from the Monaro GTS

Engines

The two inline six cylinder engines from the HG range were carried over to the HQ, but were enlarged to 173 cu in (2.8 L) and 202 cu in (3.3 L). The 253 cu in (4.1 L), 308 cu in (5.0 L) and 350 cu in (5.7 L) V8s were also carried over.

Production

Production of the HQ range totalled 485.650 vehicles prior to its replacement by the Holden HJ series in October 1974.

Motorsport

From the late 1980s, the Holden HQ was used in Australia as the basis of a one-make motor racing category with an emphasis on cost. The category began in Tasmania but very quickly expanded to every state to become the entry level motor racing category nation-wide. The cars are built to comply with CAMS Group 3H Technical Regulations.

Statesman HQ

The Statesman HQ range of long wheelbase luxury sedans, based on the Holden HQ series, was also released in July 1971. The Statesman models replaced the Holden Brougham from the HG range; however they were marketed as Statesmans rather than as Holdens.