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Buick Rainier 2004

The Buick Rainier 2004 has 3 engine variants in our catalogue, from 279 to 304 hp stock; our Stage 1 files add 16 to 17 hp depending on the engine.

Engine Fuel Stock Stage 1 Gain
4.2 V8 279hp LL8 Petrol 279 hp / 373 Nm 295 hp / 395 Nm +16 hp / +22 Nm
5.3 V8 294hp 5300 Small Block Petrol 294 hp / 441 Nm 310 hp / 465 Nm +16 hp / +24 Nm
5.3 V8 304hp 5300 Small Block Petrol 304 hp / 447 Nm 321 hp / 471 Nm +17 hp / +24 Nm
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