115-122 HP
www.canadiandriver.com/articles/jc/99-01jetta.htm
The 2010 Volkswagen Jetta has 20 valves.
The 2014 Volkswagen Jetta-Sportwagen has 20 valves.
The 2011 Volkswagen Jetta-Sportwagen has 20 valves.
The 2013 Volkswagen Jetta-Sportwagen has 20 valves.
The 2012 Volkswagen Jetta-Sportwagen has 20 valves.
The 2007 Volkswagen Jetta has 20 valves.
The 2009 Volkswagen Jetta has 20 valves.
The 2008 Volkswagen Jetta has 20 valves.
The 2006 Volkswagen Jetta has 20 valves.
About 20 to 40 horsepower
20
Yes, it is a interference engine. If your belt slips or breaks you will bend valves and smack your pistons