[aerohead]

Ford's website gave the GT, Cd 0.376, Cd 0.388 ( as Cd posted ).
The following are a collection of vehicles sharing drag coefficients equal to, or in the neighborhood of the 'lower' drag rating of the latest GT"
1937 Jean Andreau Peugeot 402 concept, Cd 0.37
1937 Jaray Adler, with front wheel skirts, Cd 0.37
1939 FKFS K-5 'Langenburg Castle' Kamm car, Cd 0.37
1960 Porsche Abarth, Cd 0.37
1961 Ferrari GT 250, Cd 0.37
1961 Ferrari GTE, Cd 0.37
1962 GM Chevrolet Corvair Greenbrier van, Cd 0.37
1964 Ford GT40, Cd 0.39
1968 Ford GT40, Cd 0.43
1969 SAAB 99, Cd 0.37
1969 Chrysler-Dodge Charger, without rear spoiler, Cd 0.378
1970 Citroen GS, Cd 0.37
1976 Lotus ESPRIT - I, Cd 0.376
1977 Ford-Mercury Capri-II R/S, Cd 0.374
1977 GM-Pontiac Fiero, with 13-inch wheels, Cd 0.377
1978 Mazda RX-7, Cd 0.37
1978 GM-Chevrolet Corvette ( daytime ), Cd 0.371
1978 Porsche 935, Cd 0.37
1978 GM-Chevrolet Camaro Z28, Cd 0.375
1980 VW Jetta, Cd 0.37
1980 NASA 18-wheel Semi, with cab fairings, gap-filler, and skirts, Cd 0.376
1980 Ford Escort Mk-III ( Euro-spec ), Cd 0.37
1981 Ford-Mercury LN7, Cd 0.37
1982 Fruehauf FEV 2000 18-wheel Semi concept, Cd 0.376
1982 Porsche 924 ( Euro-spec ), Cd 0.37
1982 Renault Fuego ( Euro-spec ), Cd 0.37
1982 Ford Tempo sedan, Cd 0.37
1982 Ford-Mercury Topaz sedan, Cd 0.37
1983 GM-Pontiac Fiero, Cd 0.377
1984 HONDA Civic-III, 1.2, Cd 0.37
1984 GM-Chevrolet C-4 Corvette,( with passengers ), Cd 0.371
1985 Ford Escort XR3i, Cd 0.375
1985 Mazda 626 GLX 2.0, Cd 0.37
1985 Toyota Camry GLi, Cd 0.37
1985 Chrysler-Dodge Lancer, Cd 0.37
1986 FIAT Ritmo/Strada, Cd 0.37
1986 VW Passat GL, Cd 0.37
1986 Mitsubishi Starion Turbo, Cd 0.37
1986 Ford Aerostar minivan, Cd 0.37
1986-1/2 GM Chevrolet Monte Carlo notchback, Cd 0.375
1991 GM-Buick Special, Cd 0.374
1994 Ford SVT Mustang, Cd 0.37
1995 Ferrari F355 Berlinetta, Cd 0.372
1995 Ferrari F50, Cd 0.372
1996 Chrysler-Dodge-Plymouth Voyager/ Caravan minivan, Cd 0.37
2005 GM-Buick Terraza CXL, Cd 0.37
2005 Pagani Zonda, Cd 0.37
2005 Ford GT-II, Cd 0.43
2005 Land Rover Range Rover Sport Supercharged, Cd 0.37
2006 GM-Chevrolet Malibu MAXX SS, Cd 0.377
2010 JEEP Grand Cherokee Laredo 4X4, Cd 0.37
2010 Rolls-Royce Phantom Drophead Coupe, Cd 0.37
2011 Toyota Highlander, Cd 0.375
2011 GM-Chevrolet Tahoe, Cd 0.379
2012 Land Rover Range Rover, Cd 0.377
2012 VW New Beetle, with wing, Cd 0.38
2013 Toyota Tundra pickup, Cd 0.37
2014 GM-Chevrolet Corvette Stingray ( @ A2 Wind Tunnel ), Cd 0.37
2014 Porsche Macan, Cd 0.37
2017 Ford GT -III, Cd 0.376, Cd 0.388