There are many examples of automakers underrating their
performance products. The latest data point is Jaguar's
XE SV Project 8.
Harry Metcalfe of the Harry's Garage YouTube
channel took his own example of the super sedan over to a friend's dyno and
discovered that the quoted 592 crank horsepower figure is well on the
conservative side.
Jaguar has built a wild sedan with its XE SV Project 8. In
fact, the outrageous four door set a Nürburgring record when it lapped
the lengthy circuit in just 7:21.23.
It's able to achieve its potent performance thanks to the
supercharged 5.0-liter V-8 engine set up front, along with numerous other mods.
All of the power is dished out to all four wheels and can propel the Project 8
from 0-60 mph in just 3.3 seconds and on to a top speed of 200 mph.
Harry brings his car over to the dyno. It's strapped down
and then fired up. After the throttle is matted to the floor, the computer
reveals the true nature of this powerful Jaguar. Rather than 592 bhp, this XE
produces 620 hp at the crank. According to the dyno software, that translates
to 485 hp at the wheels. It's a fair bit of power loss, but it's in line with a
vehicle making supercharged power and sending it through an automatic gearbox
and all-wheel-drive system.
Metcalfe says he expected to find a bigger number than
Jaguar was selling. The car feels more powerful than its spec sheet
would otherwise have you believe. And now Harry has the proof to back up his
perceptions gained from putting over 1,200 miles on the car.
Jaguar is only selling 300 examples of its uber sedan. This
is an SVO special build. And it's an expensive one as well, with a price tag
that starts at $192,000. An outrageous price to pay for a truly outrageous
sedan. Car pooling will never sound this good, look this great, and be over
this quickly.
source: https://www.motorauthority.com/news/1119296_jaguar-project-8-xe-reveals-its-full-fury-on-the-dyno
by Jeff Glucker
http://www.boscheuropean.com
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