Ford 91ci Specs: 3.11 x 3.008 in

Ford 91ci specs: 3.11 x 3.008 in (79 x 76.4 mm) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.

At a glance

Displacement	91 ci
Cylinders	4
Bore	3.110"
Stroke	3.008"
Compression	10.0:1
Advertised power	181 hp
Years	2014–2020

This engine

Engine	Displacement	Bore × Stroke	CR	HP
1.5 EcoBoost	91 ci	3.1102" × 3.0079"	10:1	181

Factory cars with a Ford 91ci

• Ford Fusion: 2014, 181 hp; 2015, 181 hp; 2016, 181 hp; 2017, 181 hp; 2018, 181 hp; 2019, 181 hp; 2020, 181 hp

What varies across the family

This family is represented by a single engine in the database: 91 ci, 4 cylinders, a 3.1102" × 3.0079" bore and stroke.

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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