The Volkswagen group reported record global sales for Audi the brand and its two luxury stablemates, Porsche and Britain-based Bentley.
Audi global sales were up 8.3%, while Bentley saw a spike of 19% and Porsche garnered a 15% increase.
SUV sales for Audi grew globally by 23.8%, to 438,400 vehicles.
The surge in luxury cars has been put down to increased demand in emerging markets such as China and the Middle East, along with renewed purchasing power in the United States.
Bentley saw a boost in the US of 28%, Porsche 21% and Audi sales accelerated by 13.5%.
Meanwhile, Mercedes-Benz sold 1.462 million cars last year worldwide, an increase of 10.7%.
Sales in the US, the company's largest single market, grew 14% to 312,534 - but its home market of Germany saw a dip of 2.2% for the year.
Mercedes global sales were boosted by the new versions of the E-class and S-Class sedans, with a massive spike of 64% for small cars such as the A-Class, B-Class and CLA coupe.
On Thursday BMW-owned Rolls-Royce, which is based in West Sussex, reported its best-ever sales figure of 3,630 cars being sold in 2013.
Audi also took the crown as the best-selling premium car brand in Britain during 2013, with nearly 400 cars being sold daily.
A total of 142,039 Audis were sold in the UK last year, up 14.9% on the 2012 figure - but its total sales in the EU dropped by 0.9%.
On Tuesday, Britain's motor industry trade body, the Society of Motor Manufacturers and Traders, revealed total new car sales soared to their highest level since before the recession.
The data showed Britain's strong sector growth compared to mainland Europe.
A total of 2,264,737 cars were UK registered in 2013, up by 10.8% on 2012, and the highest number since pre-financial crisis 2007.
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