Quoted mpg figure v's actual mpg

oldagetraveller

Vauxhall Meriva 1.7 CDTi. Claimed 56.5mpg (combined) with the following from Vx "The driving performance figures shown are attainable when the vehicle is empty, plus a load of 200 kilograms."
I consistently get 55 -60mpg depending on whether motorway around 65 - 70mph or local rural roads. Very little town/city driving. Aircon on most times except when outside temp is too low for it to operate.

gaz_jones

BMW 330Ci Clubsport - Claimed 31mpg combined - Actual 22mpg, although this is mainly town driving and A roads.

decsdad

Would like to see how the new breed of super efficient deisels claimed figures compare to some real life figures.(eg Bluemotions, greenline, efficient dynamics, econetic etc)

focae

gaz_jones wrote: »

BMW 330Ci Clubsport - Claimed 31mpg combined - Actual 22mpg, although this is mainly town driving and A roads.

So why are you comparing quoted combined figures to actual urban figures?

Flearoy

Previous car, 1996/P Ford Mondeo 1.8LX estate (115 hp Zetec engine), did 33 mpg. Current car 2001/51 Ford Mondeo 1.8LX estate (125 hp Duratec engine), 30 mpg. This is on my short urban/rural commute. Nice to know that in 5 years, engine technology has progressed so much I get 10% less miles to the gallon

PS - I'm aware this is not the most scientific test!

custardy

Flearoy wrote: »

Previous car, 1996/P Ford Mondeo 1.8LX estate (115 hp Zetec engine), did 33 mpg. Current car 2001/51 Ford Mondeo 1.8LX estate (125 hp Duratec engine), 30 mpg. This is on my short urban/rural commute. Nice to know that in 5 years, engine technology has progressed so much I get 10% less miles to the gallon

PS - I'm aware this is not the most scientific test!

in 5 years there is also far more weight to lug around with added safety gubbins

gaz_jones

focae wrote: »

So why are you comparing quoted combined figures to actual urban figures?

Because those are the only figures I had to hand. I've made it clear what I am comparing.

Flearoy

custardy wrote: »

in 5 years there is also far more weight to lug around with added safety gubbins

Yup, you're right. Funnily enough, my old Mondeo was written off after being hit by an older gent in a Honda Civic. My Mondeo did not do well at all. Remembering that, I'll not complain again about 3mpg!

TighterThanTwoCoatsOfPain

decsdad wrote: »

Would like to see how the new breed of super efficient deisels claimed figures compare to some real life figures.(eg Bluemotions, greenline, efficient dynamics, econetic etc)

See my post 33 above for Efficient Dynamics....

I used to get just over 50mpg around town when i first had it but then the novelty of having the engine cutting in and out wore out and started to irritate me so just tend to leave the clutch in or turn it off...

Its quite useful at traffic lights when you have a propoer pause, but a complete pain in the !!! when shuffling along in a queue!

I should add that on a motorway run the BMW 118d ticks along nicely at 60+mpg even when making (un)reasonable progress...

cyclonebri1

gaz_jones wrote: »

Because those are the only figures I had to hand. I've made it clear what I am comparing.

Maybe focae would like to expand on where your figures differ from the urban/combined ones, :question::question::question::question: