The performance profile of the turbo four may have doomed it to being merely a footnote in Honda's illustrious history. The 2.3-liter turbo was a variation of the 2.4-liter four used in the Honda Accord and the Acura TSX. Rated at 240 horsepower, it was the 260 lb-ft of torque that made things special. Honda's traditional approach to engine design had favored high-revving, small displacement engines that made generous power thanks to variable valve timing technologies – but at the expense of torque output.
Autoblog, Why did Honda kill its best performance engine?