Motor oil for Opel GT

Type the engine variant of your Opel GT to see the right engine oil and the manufacturer approvals.

Both numbers are on the German registration certificate part I, fields 2.1 and 2.2.

Which viscosity does a Opel GT need?

We cover 3 engine variants of the Opel GT. The most commonly approved grades are 10W-30, 20W-20, 20W-50 and 5W-40.

Which approvals does Opel require?

Opel publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.

Opel GT engine variants

The oil finder covers these engine variants of the Opel GT: GT 2.0 Turbo 2007–2009, GT 1.1 1969–1973 and GT 1.9 1969–1973. Your engine is not listed? Type your vehicle into the search above.