24
IPA
scores
IPA values of
cars:
Without
noise
With
background noise
Vectra
2.0 DTI
2.0 DTI
6.7
5.1
Zafira
2.0 DI
2.0 DI
6.2
5.0
Zafira
2.0 DTI
2.0 DTI
6.4
5.1
Note: the IPA value is a dynamically-weighted
average of the
score to 6 of the questions