Engine Number/Engine Specifications

WARNING: This page is about a different car, the 2022 Audi A6 Quattro and 2021 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Engine Number

The engine number -2- ("engine code" and "serial number") is located at left on the engine/transmission joint.

Courtesy of AUDI OF AMERICA, LLC
There is also a label -1- located on the upper timing chain cover with the "Engine Code" and "serial number".
The engine code is also included on the vehicle data labels.
If a replacement engine is installed, this has no engine number. The character sequence on the sticker on the upper timing chain cover from the replacement engine is made up of the "Identification RR4 (short block R4)", "serial number", "Engine Location" and "factory of assembly".

Engine Specifications

Engine code allocation.

Performance class

LK1 -

Up to 155 kW

LK2 -

190 through 195 kW