Bumping one of my favorite topics and threads and adding this for comparison:
KEY:
frontal surface area (A)
cw (cd)
air drag index (cd x A)
at 200km/h (125mph)
lift front axle
lift rear axle
Because at the GT-R datasheet discussion at factory claimed cd of 0.27 and sportauto clocked 0.31 on one of the most modern windtunnels in the world I thought it would be interesting to compare the sportauto results to manufacturer claims..
Important... not cd is important.. the airdragindex is the important number... the combination of cd and the size of the vehicle.. the lower cd x A the better is the aerodynamic of a car...
a other sidenote... many "noseheavy" cars can become nearly weightbalance neutral at higher speeds if the lift at the front axle is greater than it is at the rear
Honda NSX-R (2002)
(A): 1.7800 m²
(cd): 0.34
(cd × A): 0.60
at 200km/h
downforce front 32kg
downforce rear 5kg
Audi R8 V10 5.2
(A) 2.024m²
(cd) 0.36
(cd x A) 0.72
at 200km/h
lift front 23kg
downforce rear 3kg
Ford GT
(A) 1.92 m²
(cd) 0.35
(cd × A) 0.67
at 200km/h
downforce front 44kg
lift rear 2kg
Nissan GT-R
(A) 2,30 m²
(cd) 0,31
(cd × A) 0,71
at 200km/h
lift front 3kg
downforce rear 8kg
Lamborghini Gallardo LP 560-4
(A) 1.93 m²
(cd) 0.35
(cd × A) 0.67
at 200km/h
downforce front 4kg
lift rear 37kg
Corvette ZR1
(A) 2.059 m²
(cd) 0.32
(cd × A) 0.66
at 200km/h
lift front 39kg
lift rear 14kg
Corvette C6 Coupe
(A): 2.0 m²
(cd): 0.29
(cd × A): 0.59
at 200km/h
lift front 54kg
lift rear 28kg
Corvette C6 Z06
(A): 2.1 m²
(cd): 0.308
(cd × A): 0.647
at 200km/h
lift front 49kg
lift rear 22kg
McLaren MP4-12C
(A): ______ m²
(cd): 0.34
(cd × A): 0.___
at 200km/h
downforce front 2kg
downforce rear 62kg
Ferrari 360 Challenge Stradale
(A): 2.0 m²
(cd): 0.31
(cd × A): 0.62
at 200km/h
downforce front 10kg
lift rear 21kg
Ferarri F430
(A): 2.04 m²
(cd): 0.34
(cd × A): 0.70
at 200km/h
lift front 11kg
lift rear 6kg
Ferrari 430 Scuderia
(A): 2.02 m²
(cd): 0.33
(cd × A): 0.66
at 200km/h
lift front ???kg
lift rear 4kg
Ferrari 458 Italia
(A): 2.02 m² ?
(cd): 0.34
(cd × A): 0.69
at 200km/h
front lift 32kg
downforce rear 31kg
Ferrari 599 GTB Fiorano
(A): 2.23 m²
(cd): 0.33
(cd × A): 0.73
at 200km/h
lift front 41kg
lift rear 24 kg
Ferrari 575 M Maranello
(A): 2.09 m²
(cd): 0.32
(cd × A): 0.66
at 200km/h
lift front 61kg
lift rear 40kg
Porsche 996 GT3 RS
(A): 1.94 m²
(cd): 0.30
(cd × A): 0.58
at 200km/h
lift front 19kg
downforce rear 26kg
Porsche 997 Carrera S facelift
(A): 2.02 m²
(cd): 0.29
(cd × A): 0.59
at 200km/h
lift front 24kg
lift rear 14kg
Porsche GT3 facelift
(A) 2.04 m²
(cd) 0.32
(cd × A) 0.66
at 200km/h
downforce front 15kg
downforce rear 19kg
RUF RT12
(A): 2.04 m²
(cd): 0.33
(cd × A): 0.67
at 200km/h
lift front 11kg
downforce rear 34kg
Porsche Carrera GT
(A): 1.95 m²
(cd): 0.37
(cd × A): 0.72
at 200km/h
downforce front 49kg
downforce rear 40g
Porsche 997 Turbo old
(A): 2.04 m²
(cd): 0.29
(cd × A): 0.59
at 200km/h
lift front 9kg
downforce rear 12kg
Lamborghini Murcielago LP 640
(A): 2.04 m²
(cd): 0.35
(cd × A): 0.71
at 200km/h
downforce front 30kg
downforce rear 11kg
Gumpert Apollo Sport
(A): 1,99 m²
(cd): 0,57
(cd × A): 1,14
downforce front 20kg
downforce rear 176kg
Pagani Zonda F
(A): 2,08 m²
(cd): 0,36
(cd × A): 0,74
at 200km/h
downforce front 1kg
downforce rear 25kg
Koenigsegg CCR
(A): 1,86 m²
(cd): 0,35
(cd × A): 0,64
at 200km/h
downforce front 13kg
lift rear 11kg
BMW e46 M3 CSL
(A): 2.07 m²
(cd): 0.33
(cd × A): 0.68
at 200km/h
lift front 1kg
lift rear 10kg
Alpina B3 Coupe
(A): 2.14 m²
(cd): 0.29
(cd × A): 0.63
at 200km/h
lift front 12kg
lift rear 13kg
BMW e92 M3
(A): 2.17 m²
(cd): 0.33
(cd × A): 0.71
at 200km/h
lift front 10kg
lift rear 23kg
BMW e92 M3 GTS
(A): 2.17 m²
(cd): 0.32
(cd × A): 0.70
at 200km/h
downforce front 7kg
downforce rear 30kg
Mercedes C 63 AMG
(A): 2.18 m²
(cd): 0.32
(cd × A): 0.69
at 200km/h
lift front 35kg
lift rear 42kg
Lexus IS-F
(A) 2.22 m²
(cd) 0.30
(cd × A) 0.67
at 200km/h
lift front 31kg
lift rear 7kg
Audi S5
(A): 2.18 m²
(cd): 0.31
(cd × A): 0.67
at 200km/h
lift front 52kg
lift rear 34kg
Aston Martin DBS
(A): 2.11 m²
(cd): 0.36
(cd × A): 0.76
at 200km/h
lift front 11kg
lift rear 10kg
Mitubishi Evo VII
(A): 2.12 m²
(cd): 0.37
(cd × A): 0.79
at 200km/h
downforce front 37kg
downforce rear 8kg
BMW X6 M
(A) 2.85m²
(cd) 0.38
airdragindex (cd x A) 1.07
at 200km/h (125mph)
lift front axle 69kg
lift rear axle 48kg
Mercedes SLR
(A): 2.07 m²
(cd): 0.37
(cd × A): 0.77
at 200km/h
downforce front 19kg
downforce rear 35kg
Mercedes CLK DTM AMG
(A): 2.15 m²
(cd): 0.34
(cd × A): 0.73
at 200km/h
lift front 37kg
downforce rear 12kg
Mercedes SL 65 AMG
(A): 2.1 m²
(cd): 0.31
(cd × A): 0.65
at 200km/h
lift front 29kg
lift rear 33kg
Mercedes SL 65 AMG Black Series
(A) 2.17 m²
(cd) 0.37
(cd × A) 0.80
at 200km/h
lift front 56kg
downforce rear 22kg
Mercedes SLK 55 AMG
(A): 1.95 m²
(cw): 0.32
(cw × A): 0.625
at 200km/h
lift front 23kg
lift rear 31kg
Maserati Coupé Cambiocorsa
(A): 2.016 m²
(cd): 0.34
(cd × A): 0.68
at 200km/h
downforce front 55kg
downforce rear 45kg
(I'm suspect on this)
Lotus Exige (Mk I)
(A) 1,631 m²
(cd) 0.43
(cd x A) 0.70
at 200km/h
downforce front 20kg
downforce rear 58kg
Lotus Exige S
(A): 1.62 m²
(cd): 0.44
(cd × A): 0.71
at 200km/h
downforce front 5kg
downforce rear 24kg
Opel Speedster Turbo
(A): 1.61 m²
(cd): 0.38
(cd × A): 0.61
at 200km/h
downforce front 23kg
lift rear 19kg
Opel Corsa OPC
(A): 2.15 m²
(cd): 0.36
(cd × A): 0.78
at 200km/h
downforce front 23kg
lift rear 22kg
