GMC 145ci Specs: 3.465 x 3.858 in

GMC 145ci specs: 3.465 x 3.858 in (88 x 98 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	145 ci
Cylinders	4
Bore	3.465"
Stroke	3.858"
Advertised power	182 hp
Years	2010–2017

Engines in this family

Engine	Displacement	Bore × Stroke	CR	HP
LAF	145 ci	3.4646" × 3.8583"	—	182
LEA	145 ci	3.4646" × 3.8583"	—	182

Factory cars with a GMC 145ci

• GMC Terrain: 2010, LAF, 182 hp; 2011, LAF, 182 hp; 2012, LEA, 182 hp; 2013, LEA, 182 hp; 2014, LEA, 182 hp; 2015, LEA, 182 hp; 2016, LEA, 182 hp; 2017, LEA, 182 hp

What varies across the family

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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