The passenger compartment of the Audi A6 e-tron remained stable in the frontal offset test.  Protection of all critical body areas was good, both for the driver and front passenger.  Audi demonstrated that good protection would also be provided to the knees and femurs of occupants of different sizes and to those sitting in different positions.  Analysis of the deceleration of the impact trolley during the test, and analysis of the deformable barrier after the test, revealed that the Audi A6 e-tron would be a moderately benign impact partner in a frontal collision. In the full-width rigid barrier test, protection was good or adequate for all critical body regions of the driver and rear seat passenger.  In the side barrier test, full points were scored.  In the more severe side pole impact, driver chest protection was rated as marginal, based on dummy readings of compression. Control of excursion (the extent to which a body is thrown to the other side of the vehicle when it is hit from the far side) was found to be adequate. The Audi A6 e-tron has a countermeasure to mitigate against occupant-to-occupant injuries in such impacts.  The airbag performed well in Euro NCAP’s tests with dummy readings indicating good protection for both the driver and passenger.  Tests on the front seats and head restraints demonstrated good protection against whiplash injuries in the event of a rear-end collision.  A geometric analysis of the rear seats also indicated good whiplash protection.   The car has an advanced eCall system which alerts the emergency services in the event of a crash, and a system to prevent secondary impacts after the car has been in a collision.  Audi demonstrated that the doors and windows would be openable to allow occupants to escape in the event of vehicle submergence.

In both the frontal offset test and the side barrier test, protection of all critical parts of the body was good for the 6 and 10 year dummy, and the Audi A6 e-tron scored maximum points in this part of the assessment. The front passenger airbag is automatically disabled when a child restraint is placed in that seating position. Audi demonstrated that system worked robustly, the airbag being enabled when an adult occupied the seat but being disabled with a child restraint system, and the system was rewarded.  The A6 e-tron is equipped with an indirect 'child presence detection' system, which issues a warning when it recognises that a child or infant may have been left in the car.  From 2025 onwards, indirect systems are not awarded points in Euro NCAP’s rating scheme.  All of the child restraint types for which the Audi A6 e-tron is designed could be properly installed and accommodated in the car.

Protection of the head of a struck pedestrian or cyclist was predominantly adequate, with poor results recorded on the stiff windscreen pillars and at the base of the screen.  Protection of the pelvis was good at almost all test locations.  Protection of the femur was good at all test locations and that of the knee and tibia was predominantly good.  The autonomous emergency braking (AEB) system of the Audi can respond to vulnerable road users as well as to other vehicles.  The system’s response both to pedestrians was adequate, but protection of those to the rear of the car is available as an option and was not tested. The system’s performance in tests of its reaction to cyclists was also good but, again, protection against ‘dooring’, where a door is suddenly opened in the path of a cyclist approaching from behind, was not tested as it is not standard equipment.  Performance of the AEB system was good in tests of its response to motorcyclists.

Overall, the performance of the autonomous emergency braking (AEB) system was good in tests of its reaction to other vehicles, with impacts being avoided in most tests.  A seatbelt reminder system is fitted as standard to the front and rear seats.  The car has an indirect driver status monitoring system as standard, detecting driver fatigue but not distraction.  The lane support system gently corrects the vehicle’s path if it is drifting out of lane and also intervenes in some more critical situations.  The speed assistance system identifies the local speed limit.  The driver can choose to allow the limiter to be set automatically by the system.