Australia December 2017: Holden up 57.7%, Astra & Colorado hit records
The Holden Astra breaks a 16 year-old ranking record this month.* NOW UPDATED with the Top 50 All-brands and Top 280 All-models - see title *The November 2017 post has also been updated with Top 50 All-brands and Top 285 All-modelsNew vehicle sales in Australia are up 4.1% year-on-year t