Engine Summary
- Manufacturer
- General Motors
- Family
- Quad 4
- Displacement
- 138 cubic inches
Also Known As
1993 Grand Am GT LD2 2.3-liter DOHC Quad 4
Engine profile
1993 Pontiac Grand Am GT LD2 2.3-liter DOHC Quad 4
Quad 4 · 138 cubic inches · General Motors
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
2.3-liter DOHC Quad 4 / MD9 three-speed automatic — Engine RPO
- Value
- LD2
- Application
- 1993 Grand Am GT
- Type
- engine assembly / specification
- Car pages
- 1993 Pontiac Grand Am GT
Factory option code, not a VIN engine code.
Sources: 1993 Pontiac Grand Am press information, specifications page 10
2.3-liter DOHC Quad 4 / MD9 three-speed automatic — Source-attributed displacement
- Value
- 138 CID / 2.3 liters, as printed in Pontiac press specifications
- Application
- 1993 Grand Am GT
- Type
- engine assembly / specification
- Car pages
- 1993 Pontiac Grand Am GT
EPA lists 139 CID; the press sheet prints 138 CID. Values are retained with attribution, not silently reconciled.
Sources: 1993 fuel economy guide data, Grand Am records , 1993 Pontiac Grand Am press information, specifications page 10
2.3-liter DOHC Quad 4 / MD9 three-speed automatic — VIN engine code
- Value
- D
- Application
- 1993 Grand Am GT
- Type
- engine assembly / specification
- Car pages
- 1993 Pontiac Grand Am GT
Owner-manual engine identity; the factory equipment table separately establishes GT eligibility.
Sources: 1993 Pontiac Grand Am owner's manual, printed pages 200 and 256
Cars Using This Engine
1 linked car page.
Two-door coupe or four-door sedan
1993 Pontiac Grand Am GT
3 documented powertrain configurations