Toyota 1JZ vs 2JZ: What's the Difference?

The Toyota 1JZ and the Toyota 2JZ differ in displacement, bore × stroke, compression ratio, factory rating. The table puts the factory specs side by side; each engine's own page has the full specs.

Specs side by side

Toyota 1JZToyota 2JZ
EngineToyota 1JZ (2.5L: 1JZ-GE, 1JZ-GTE, 1JZ-FSE)Toyota 2JZ (3.0L: 2JZ-GE, 2JZ-GTE, 2JZ-FSE)
Displacement152.1 ci (2.49 L)182.9 ci (3.00 L)
Bore × stroke3.386" × 2.815"3.386" × 3.386"
Cylinders66
Compression ratio9:1–10:18.5:1–10.5:1
Factory rating180 hp–280 hp215 hp–320 hp
Blockcast ironcast iron
Headsaluminumaluminum
Rod length——
Deck height——
Weight (approx.)——
Fuelgasgas
Model years—1992–2005

Where versions of an engine differ, the table shows the range across them. Ratings are the makers' published figures.

Other differences

Toyota 1JZToyota 2JZ
Block and headCast iron block, aluminum DOHC 24-valve head, belt-driven camsCast iron block (closed deck on GTE per HPA), aluminum DOHC 24-valve head, belt-driven cams

Which cars got each engine

Toyota 1JZYears
Toyota 2JZYears
Lexus SC1992–2000
Lexus GS1993–2005
Toyota Supra1993–1998
Lexus IS2001–2005

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