From 435 hp to about 540 hp: the Audi A8 4.0 TFSI 435hp (D4 – 2010 – 2016) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 600 Nm to about 800 Nm.

This is a petrol engine with a displacement of 3,993 cc and engine code CTGA. The engine is controlled by the Bosch MED17.1.1. The software file can be written with tools such as Alientech KESSv2, Autotuner, CMD CMDFlash, MagicMotorsport Flex and PCM-Flash.

Besides Stage 1, the following options are available for this vehicle: DECAT, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map and Vmax.

Frequently asked questions

How much power and torque does a Audi A8 4.0 TFSI 435hp gain with Stage 1?

About 105 hp and 200 Nm: from 435 hp / 600 Nm to roughly 540 hp / 800 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Audi A8 4.0 TFSI 435hp use?

Bosch MED17.1.1.

Which tools can read a Audi A8 4.0 TFSI 435hp?

Alientech KESSv2, Autotuner, CMD CMDFlash, MagicMotorsport Flex and PCM-Flash.

Which extra options are available for a Audi A8 4.0 TFSI 435hp?

DECAT, DTC Removal, START/STOP OFF, FLAPS, Pop & Bang Crackle map and Vmax.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.