Verdict
Chevrolet Blazer EV and Mazda CX-90 are dead even on Octane Score at 66, though reviewers don't agree on everything underneath that number. The Chevrolet Blazer EV wins the most individual categories, taking 5 of 8 where both have enough coverage to call. The biggest gap is in Reliability, where the Mazda CX-90 leads by 57 points.
Reviewers
Chevrolet Blazer EV
Auto Buyers Guide, Edmunds, Redline Reviews
Mazda CX-90
Auto Buyers Guide, Doug DeMuro, Redline Reviews, SavageGeese, TheStraightPipes