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Holden HQ Monaro

A completely new generation body design emerged with the HQ series in July 1971, including the new Monaro 'LS' (commonly believed to mean "Luxury Sports") model which featured four headlights and chrome trim rings taken from the Holden Premier sedan. There were no longer any six-cylinder versions of the Monaro GTS, just the locally manufactured 4.1 L (253 cu in) or optional 5.0 L (308 cu in) V8s or the top level GTS350 coupé, equipped with an imported 5.7 L (350 cu in) Chevrolet motor.

The base model Monaro standard engine was enlarged to 173 in3 (2,830 cc) whilst the Monaro LS had a broad spectrum of engine options from a 202 in3 (3,310 cc) six to the 350 in3 (5,700 cc) V8. The new coupé design had a much larger rear window and a squarer rear quarter window; it was somehow seen as not as sporty looking compared to the earlier HK-HT-HG series, but is often now considered one of the best looking body designs to come from an Australian producer.