Which brand is more reliable, Bissell or Hoover?

Across the verified-purchase reviews we read, both brands cluster in the 4.2 to 4.7 star range with very large review counts, so neither dominates on raw satisfaction. Hoover's PowerScrub Deluxe and SmartWash+ stand out for sheer review volume, while Bissell's Big Green earns the highest average rating in this pool. Independent lab testing data was sparse for these specific models, so treat brand reliability claims as customer-sentiment signals rather than verdicts.