What is the most aerodynamic car ever
Discussion
TeaNoSugar said:
The original Honda Insight must be one of the best (if we're talking about production cars). Low drag coefficient, and as it's a very small car I would imagine its Overall drag would be quite low too?
Yes, it's near the top as far as road cars go on both fronts. The GM EV1 is probably highest on both, I think. Wikipedia has a list, if anyone can be bothered finding it.
Wikipedia reckons
0.26 Mercedes-Benz E-Class 2002-2009
0.26 Nissan GT-R 2010–present
0.26 Opel Calibra(8 valve version) 1989
0.26 Toyota Prius 2004–2009
0.25 Audi A2 1.2 TDI 2001
0.25 Honda Insight 1999, 2003, 2005
0.25 Toyota Prius 2010
0.26 Mercedes-Benz B-Class + eco-package 2012-
0.24 Mercedes E 220 CDI Blue Efficiency European version only, other E-Class Coupe 0.28(0.25 sedan)( 2009
0.212 Tatra T77A 1935[64][65] [66] [67]
0.195 General Motors EV1 1996
0.26 Mercedes-Benz E-Class 2002-2009
0.26 Nissan GT-R 2010–present
0.26 Opel Calibra(8 valve version) 1989
0.26 Toyota Prius 2004–2009
0.25 Audi A2 1.2 TDI 2001
0.25 Honda Insight 1999, 2003, 2005
0.25 Toyota Prius 2010
0.26 Mercedes-Benz B-Class + eco-package 2012-
0.24 Mercedes E 220 CDI Blue Efficiency European version only, other E-Class Coupe 0.28(0.25 sedan)( 2009
0.212 Tatra T77A 1935[64][65] [66] [67]
0.195 General Motors EV1 1996
johnnybegood said:
suprised that non of the super cars are slippery or it that because they require down force to stay planted at high speeds.
Also suprised merc are up there also.
Supercars tend to be horrendously inefficient because they need to move air around a lot for cooling and downforce. I'm quite surprised the GTR is so high up the list, to be honest. Also suprised merc are up there also.
johnnybegood said:
As title really which car is the most aerodynamically efficient (i.e. least drag coefficient value)?
Depends on your definition of "car".Do you count:
- cars which cannot be driven on the road?
- things which weren't mass produced?
- solar eco challenge cars?
- LSR cars?
- cars which were mass-produced but never sold (only leased)? (eg. GM's EV1 test/technology cars- they made just over 1000 of them, I think)
- cars which have a very low frontal area? (making them not really "cars" in the sense of being usable day to day?
The shape of a current mercedes E220 BlueEfficiency gives it a Cd of 0.24, which is pretty remarkable, but I think the insight has quite a bit smaller frontal area, so probably has less aero drag.
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