Toyota made the Sienna as a family carrier, and, in 2020, it unveiled the fourth minivan built for the North-American market.

The U.S. MPV market was highly competitive and forced the carmakers to improve their vehicles more often than other cars, and Toyota needed to keep the pace.

While the minivans market was not so big as before since the SUV and crossover one increased their importance, the Sienna took the challenge to fight for that niche market.

Toyota introduced the third generation of the Sienna minivan at the 2009 Los Angeles Auto Show, and it boasted a new presence with improved safety and comfort features.

Toyota introduced the second generation of the Sienna minivan in late 2003 as a 2004 model year and was eager to catch up with the rest of the MPVs on the market.

Toyota had to admit that its Previa was defeated in the minivan segment on the U.S. Market when it introduced the 1998 Sienna at the 1997 North American International Auto Show.