Castrol GTX

1968-1985

1985-1997

BETTER LOGO NEEDED

Designer:  Coleman, LiPuma, Segal, and Morrill

Typography:  Unknown

Launched:  1985

"GTX" is now in a Helvetica-like font.

1997-2001

SVG NEEDED

2001-2006

BETTER LOGO NEEDED

2006-present

50 years (2018)