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| Not Well Defined / Vernacular | Defined by Law or Regulation | Examples |
| Market Segment (American English) | Market Segment (British English) | Market Segment (Australian English) | US EPA Size Class | Euro NCAP Structural Category | Euro NCAP Class (1997 - 2009) | Euro Market Segment |
| Microcar | Microcar, Bubble car | N/A | N/A | — | Quadricycle | A-segment mini cars | Bond Bug, Isetta, Mega City, Renault Twizy |
Subcompact car Economy car | City car | Microcar | Minicompact | Passenger car | Supermini Archived 2010-02-05 at the Wayback Machine | Citroën C1, Fiat 500, Hyundai Eon, Mitsubishi i-MiEV, Renault Twingo |
| Supermini | Light Car | Subcompact | B-segment small cars | Ford Fiesta, Kia Rio, Opel Corsa, Peugeot 208, Volkswagen Polo |
| Compact car | Small family car | Small Car | Compact | Small family car Archived 2009-03-06 at the Wayback Machine | C-segment medium cars | Honda Civic, Mazda3, Peugeot 308, Renault Mégane, Toyota Corolla |
| Mid-size car | Large family car | Medium Car | Mid-size | Large family car Archived 2011-06-14 at the Wayback Machine | D-segment large cars | Chevrolet Malibu, Ford Fusion, Peugeot 508, Subaru Legacy, Volkswagen Passat |
| Entry-level luxury car | Compact executive car | Medium Car above $60,000 | N/A | Acura ILX, Alfa Romeo Giulia, Audi A4, Lexus ES, Mercedes-Benz C-Class |
| Full-size car | Executive car | Large Car | Large | Executive Archived 2010-02-05 at the Wayback Machine | E-segment executive cars | Chevrolet Impala, Ford Taurus, Mazda Xedos 9, Hyundai Grandeur, Holden Commodore, first and second generation |
| Mid-size luxury car | Large Car above $70,000 | N/A | Audi A6, Cadillac CTS, Chrysler 300, Tesla Model S, Acura TLX |
| Full-size luxury car | Luxury car | Upper Large Car above $100,000 | N/A | — | F-segment luxury cars | BMW 7 Series, Lincoln Town Car, Mercedes-Benz S-Class, Porsche Panamera, Audi A8 |
| Grand tourer | Grand tourer | Sports Car | N/A | — | S-segment sports coupés | Aston Martin DB9, Bentley Continental GT, Ferrari GTC4Lusso, Jaguar XK, Maserati GranTurismo |
| Supercar | Supercar | N/A | — | Bugatti Veyron, LaFerrari, Lamborghini Aventador, Pagani Zonda, Porsche 918 Spyder |
| Convertible | Convertible | N/A | — | BMW 6 Series, Chevrolet Camaro, Mercedes CLK, Volvo C70, Volkswagen Eos |
| Roadster | Roadster | Two-seater | Roadster sports Archived 2010-01-31 at the Wayback Machine | BMW Z4, Lotus Elise, Mazda MX-5, Porsche Boxster, Mercedes-Benz SLK |
| — | Mini MPV | N/A | Minivan | MPV | Small MPV Archived 2009-02-21 at the Wayback Machine | M-segment multi purpose cars | Citroen C3 Picasso, Ford B-Max, Opel Meriva, Fiat 500L |
| MPV | Compact MPV | People Mover | Chevrolet Orlando, Ford C-Max, Opel Zafira, Renault Scenic, Volkswagen Touran |
| Minivan | Large MPV | Large MPV Archived 2010-01-31 at the Wayback Machine | Chrysler Town and Country, Kia Carnival, Citroën C4 Grand Picasso, Renault Espace, Toyota Sienna |
| Cargo van | Van | Van | Cargo van | — | Chevrolet Express 1500 Cargo, Fiat Ducato/Ram ProMaster, Ford Transit, Renault Master, Volkswagen Transporter |
| Passenger van | Minibus | People Mover | Passenger van | — | Chevrolet Express 1500 Passenger, Ford E350 Wagon, Mercedes-Benz Viano |
| Mini SUV | Mini 4x4 | Small SUV | Small Sport Utility Vehicle | Off-roader | Small Off-Road 4x4 Archived 2010-02-05 at the Wayback Machine | J-segment sport utility cars (including off-road vehicles) | Daihatsu Terios, Ford Ecosport, Jeep Renegade, Peugeot 2008, Suzuki Jimny |
| Compact SUV | Compact SUV | Medium SUV | Alfa Romeo Stelvio, Chevrolet Equinox, Ford Escape, Honda CR-V, Jeep Cherokee, Kia Sportage |
| Mid-size SUV | Large 4x4 | Large SUV | Standard Sport Utility Vehicle | Large Off-Road 4x4 Archived 2009-01-23 at the Wayback Machine | Ford Expedition, Hyundai Santa Fe, Jeep Grand Cherokee, Volkswagen Touareg, Volvo XC90 |
| Full-size SUV | Upper Large SUV | Range Rover, Cadillac Escalade, Toyota Land Cruiser |
| Mini pickup truck | Pick-up | Ute | Small Pickup Truck | Pickup | Pick-up Archived 2010-02-20 at the Wayback Machine | — | Chevrolet Montana, Fiat Strada, Renault Duster Oroch, Volkswagen Saveiro |
| Mid-size pickup truck | Ford Ranger, Chevrolet Colorado, Mitsubishi Triton/L200, Nissan Navara, Toyota Hilux |
| Full-size pickup truck | Pickup | Standard pickup truck | Dodge Ram, Ford F-150, GMC Sierra, Nissan Titan, Toyota Tundra |
| Heavy Duty pickup truck | Chevrolet Silverado HD, Ram Heavy Duty, Ford Super Duty |
| Special purpose vehicle | — | Limousine | Special purpose vehicle | — | — | — | Lincoln MKT Livery |