(Reuters) – Tesla (NASDAQ:)’s Mannequin S and Mannequin X weren’t out there for order in some Asia-Pacific nations, together with Australia, Thailand, Singapore and New Zealand, the automaker’s web site confirmed on Sunday.

Different Tesla Inc fashions, similar to Mannequin 3 and Mannequin Y had been out there in these nations, in line with the web site.

It was not instantly clear why these fashions weren’t out there. Tesla didn’t instantly reply to a request for remark.

Elon Musk’s electrical car maker posted report deliveries within the January-March quarter, however deliveries of higher-priced Mannequin X and Mannequin S automobiles slumped by 38%.

Tesla has been aggressively reducing costs for a few of its fashions this 12 months throughout markets to juice demand as competitors amongst electric-vehicle makers heats up around the globe.

Traders have been watching Musk’s gamble that reducing costs would stimulate gross sales, though they fear about eroding margins.