I've had my 4 cylinder, 02 Sonata at over 100mph, tachometer was about 4000 rpm. I was told that red line was limited in the computer at 6000, but I haven't tried to exceed this rpm.
The 2004 Hyundai Sonata has a 5-speed manual.
The 2005 Hyundai Sonata has a 5-speed manual.
The 2002 Hyundai Sonata has a 5-speed manual.
The 2007 Hyundai Sonata has a 5-speed manual.
The 2009 Hyundai Sonata has a 5-speed manual.
The 2003 Hyundai Sonata has a 5-speed manual.
The 2006 Hyundai Sonata has a 5-speed manual.
The 2001 Hyundai Sonata has a 5-speed manual.
The 2012 Hyundai Sonata has a 6-speed manual.
The 2010 Hyundai Sonata has a 5-speed manual.
The 2011 Hyundai Sonata has a 6-speed manual.
The 2008 Hyundai Sonata has a 5-speed manual.