Buick Rainier 5.3 V8 304hp

Stock vs. Tune Maps remap

Measured values for the Buick Rainier 5.3 V8 304hp.

	Stock	Remap	Difference
Power	304 HP	321 HP	+17 HP
Torque	447 Nm	471 Nm	+24 Nm

From the factory the Buick Rainier with the 5.3 V8 304hp engine (2004 - 2007) delivers 304 HP and 447 Nm on petrol. With a Tune Maps remap the calibration is optimised to 321 HP and 471 Nm – that is 6% more power and 5% more torque, while staying within safe limits for engine and drivetrain.

Measured values. Results can vary with vehicle condition, fuel quality and hardware.

Engine & ECU data