Motor oil for Opel GT

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

Which engine do you drive?

Fuel and model year are enough - only the matching engines stay.

Model year

The power is on your registration certificate, field P.2 (in kW).

Country of registration

HSN (field 2.1)

TSN (field 2.2)

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

Number plate

Vehicle identification number (VIN)

17 characters, on the registration certificate part I under field E. In Poland the vehicle is looked up by VIN, not by number plate.

Oils for Opel GT

e.g. for Opel GT 2.0 Turbo (2007–2009)

All oils for Opel GT 2.0 Turbo (2007–2009)

Fill quantity and viscosity by engine of the Opel GT

Engine	Model years	Viscosity	Fill quantity
2.0 Turbo	2007–2009	5W-30, 5W-40	4.8 L
1.1	1969–1973	10W-30, 20W-20, 20W-50	2.8 L
1.9	1969–1973	10W-30, 20W-20, 20W-50	3 L

Fill quantity including an oil filter change, taken from our vehicle data. The change interval is set by your service book, not by the oil.

Other fluids for the Opel GT

Fluid	Requirement
Manual gearbox & axle oil	20W-20, 75W-90, ACEA E2, API CF-4
Automatic transmission fluid (ATF)	Allison TES 389, Caterpillar TO-2
Axle & differential oil	85W-90, API GL5, DTFR 12B100
Brake fluid	GM Europe GMW 3356, DOT 3
Coolant & antifreeze	G12, G12+

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. Fill quantity ranges from 2.8 to 4.8 litres depending on the engine.

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.