Rising borrowing costs in Indonesia are expected to weigh heavily on sales of compact vehicles priced below Rp300 million, with industry watchers pointing to the Toyota Avanza and Honda Brio as particularly vulnerable models.

The pressure stems from the recent increase in Bank Indonesia's benchmark interest rate, which directly raises the cost of auto financing for the country's price-sensitive mass market.

Automakers and financial institutions are now under scrutiny to maintain consumer interest despite the tighter monetary environment.

According to CNBC Indonesia, the sub-Rp300 million segment is the most exposed to the rate hike, as buyers in this bracket rely heavily on installment plans.

The report suggests that manufacturers and financing partners must coordinate efforts to keep purchase incentives attractive, or risk a slowdown in unit deliveries.

This development highlights the sensitivity of emerging-market auto demand to monetary policy shifts, where even modest rate increases can dampen affordability for entry-level buyers.