Agreed the car will achive the best mpg on the tick over rather than start/stop...
On my Is300 which is ridiculously low as in the profile pic, it has a drag which does not
help the mpg at all...
However on today's price shell nitro i have managed to get 80/90 miles carefull driving. (£20 worth)
Mixture of town and dual carrigeway's which personally i think this is excellent for a car of this calibire ...
Car is stock apart from the ride height...
Allways serviced form lexus...
But on normal occasions i have a very heavy foot and love the response of this car...
Car was purchased for the luxury and the drive and i certainly drive this openly it returns 17-20mpg
Approx 370 to the tank with mainly commuting on motorways to work...
I couldnt consider another vechile of this value for the luxury, smoothness, quiteness and overall drive so im happy with it
Previosuly i had a is200 and tried to fiddle with it for better mpg only thing that worked was to drive like a granny,
high psi in the tyres and
a k&n panel filter, max 20miles more to the tank...
But if your looking for economy is200/300 are not the cars they are simply just not built for it
The only mod i would suggest would be to gas convert it, then you'l have the best of both worlds...