Toyota AZ Specs: 88.5 x 96 mm

Toyota AZ specs: 88.5 x 96 mm (3.4843 x 3.7795 in) bore and stroke, shared by all 3 versions. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	144.2 ci
Cylinders	4
Bore	3.484"
Stroke	3.780"
Compression	9.8–12.5:1
Advertised power	154–187 hp
Years	2001–2015

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
2AZ	144.2 ci	3.4843" × 3.7795"	—	—
2AZ-FE	144.2 ci	3.4843" × 3.7795"	9.8:1	154–166
2AZ-FXE	144.2 ci	3.4843" × 3.7795"	12.5:1	187

Factory cars with a AZ

• Toyota Highlander: 2001, 155 hp; 2002, 155 hp; 2003, 155 hp; 2004, 160 hp; 2005, 160 hp; 2006, 155 hp; 2007, 155 hp
• Toyota Camry: 2002, 157 hp; 2003, 157 hp; 2004, 157 hp; 2005, 160 hp; 2006, 154 hp; 2007, 158 hp; 2007, 187 hp; 2008, 158 hp; 2008, 187 hp; 2009, 158 hp; 2009, 187 hp; 2010, 187 hp; 2011, 187 hp
• Toyota RAV4: 2004, 161 hp; 2005, 161 hp; 2006, 166 hp; 2007, 166 hp; 2008, 166 hp
• Scion tC: 2005, 160 hp; 2006, 160 hp; 2007, 161 hp; 2008; 2009, 161 hp; 2010, 161 hp
• Scion xB: 2008, 158 hp; 2009, 158 hp; 2010, 158 hp; 2011, 158 hp; 2012, 158 hp; 2013, 158 hp; 2014, 158 hp; 2015, 158 hp
• Toyota Corolla: 2009, 158 hp; 2010, 158 hp; 2011
• Toyota Matrix: 2009, 158 hp; 2010, 158 hp; 2011, 158 hp; 2012, 158 hp; 2013, 158 hp

What varies across the family

Compression spans 9.8:1 to 12.5:1, so fuel requirements differ meaningfully between members — worth checking before assuming parts interchange.

All are undersquare — stroke larger than bore, favouring torque low in the range.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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