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© 2026 OilClub.eu

Home/Brands/Castrol/Castrol GTX 5W-40 A3/B4

Castrol GTX 5W-40 A3/B4 5 litre motor oil container

Castrol GTX 5W-40 A3/B4

5W-40Motor oil5 L

Published standards

6 approvals

ACEAACEA A3/B4 (opens in a new tab)Meets requirements
APIAPI SP (opens in a new tab)Meets requirements
Mercedes-BenzMB-Freigabe 229.3 (opens in a new tab)OEM approved
VW · AudiVW 502 00 / 505 00 (opens in a new tab)OEM approved
BMWBMW Longlife-01 (opens in a new tab)OEM approved
RenaultRenault RN 0700 / RN0710 (opens in a new tab)OEM approved

It fits only if your owner's manual lists one of these.Check against my car

Pack size

€37.97€7.59 / LChecked Amazon.de price

Seller: Amazon · Germany
Shipping: Calculated by retailer

Checked 27 Oct 2026

Amazon.de listing price on the checked date. Not a checkout quote or a stock promise. Confirm the approval in your owner’s manual, then check price, VAT, shipping and delivery at Amazon. OilClub earns nothing.

Overview Specs Similar oils

Technical specifications

Viscosity: 5W-40
Type: Motor oil
ACEA: ACEA A3/B4
Pack: 5 L
Manufacturer: Castrol
Listed for: Audi, BMW, Mercedes-Benz, Volkswagen

Understand the specs

Viscosity5W-40Flow when cold (5W) and at operating temperature (40).

Standards6 namedOEM approved and Meets requirements are the two claim types. Neither one checks your car.

Value€7.59 / LAt the listed 5 L price.

Same approvals, other oils

Castrol MAGNATEC 10W-40 A/BMotor oil · 5 L€8.70 /L+€1.11Checked Amazon.de price
Castrol GTX 10W-40 A3/B4Motor oil · 5 L€6.64 /L−€0.95Checked Amazon.de price
Valvoline SynPower 5W-30Fully synthetic · 4L€10.45 /L+€2.86Sample price