Hi... As an update to my post of 23rd March I have experimented by ditching ECO mode and running in normal mode. In truth I don't have too much faith in the accuracy of the MPG display so I've done a few weeks on a 'brim to brim' basis. Since April 1st I have done 1293 miles and been to the petrol station 4 times and used the car for what I think of as 'real world' motoring - a combination of shopping trips, Dad's Taxi runs, commuting and one trip to the Peak District for a long weekend over the bank holiday. I have used in total 122.72 litres of petrol, which equals 26.9984 gallons, so my true fuel consumption works out at 47.89 MPG.
And I'm happy with that. The performance of the car is a little better in Normal mode, which means that you don't have to accelerate so hard to get up to speed. Fuel consumption at this level is 1 or 2 MPG less than my last car (Diesel Qashqai) but it's a much nicer place to be in so I can live with that. I don't drive like I'm driving Miss Daisy, nor am I a lead-footed hooligan so it's going to be difficult to get a better return that the CT200h gives - almost 48MPG from an automatic 1800cc petrol car is quite impressive..