Scion xB Engines by Year

The boxy first xB used the 1.5 1NZ-FE; the larger second generation used the 2.4.

Pick a year to see every engine offered that model year, with its code, rated horsepower and the trims it came in. Each engine links to its full specs.

Jump to a year

XP30 / first gen (2004–2006): 2004 · 2005 · 2006

E150 / second gen (2008–2015): 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015

XP30 / first gen (2004–2006)

2004 xB engines

Engine	Rated	Offered in
1.5L / 91 inline-four 1NZ-FE	108 hp net	XB (5-door)

2005 xB engines

Engine	Rated	Offered in
1.5L / 91 inline-four 1NZ-FE	108 hp net	XB (5-door)

2006 xB engines

Engine	Rated	Offered in
1.5L / 91 inline-four 1NZ-FE	103 hp net	XB (5-door)

E150 / second gen (2008–2015)

2008 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2009 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2010 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2011 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2012 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2013 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2014 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

2015 xB engines

Engine	Rated	Offered in
2.4L / 144 inline-four 2AZ-FE	158 hp net	XB, Release Series, Parklan Edition

Working on one of these engines?

• Engine displacement from bore and stroke
• Static and dynamic compression ratio
• Which camshaft for your build
• What size carburetor
• Horsepower to torque at any RPM
• Torque converter stall speed

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