GM and Nissan lead most segments in Strategic Vision's Total Quality Index, measuring the ownership experience.

Here are the 2005 Total Quality Index winners:

Small Car (tie)
Ford Focus
Hyundai Accent
Mazda Mazda3

Small Multi-Function (tie)
Chrysler PT Cruiser
Scion xB

Medium Car
Pontiac G6

Large Car (tie)
Ford Five Hundred
Nissan Maxima

Small Specialty Under $25,000
Ford Mustang

Small Specialty Over $25,000
Chevrolet Corvette

Near-Luxury Car
BMW 3-Series

Luxury Car (tie)
BMW 5-Series
Lexus LS 430

Convertible Under $30,000
MINI Cooper Convertible

Convertible Over $30,000
Lexus SC 430

Minivan
Honda Odyssey

Small SUV
Hyundai Tucson

Medium SUV
Buick Rainier

Medium Crossover
Nissan Murano

Large SUV
Nissan Armada

Near-Luxury SUV
Infiniti FX35

Luxury SUV (tie)
Land Rover Range Rover
Hummer H2
Cadillac Escalade

Compact Pickup
Toyota Tacoma

Full-Size Pickup
Nissan Titan

Heavy-Duty Pickup
GMC Sierra 2500/3500

Source: Strategic Vision