We currently have a Suzuki Vitara 1.4 automatic (well for another 6 weeks anyway)
We only do very short runs, typically 5 mile there , 5miles back home, rare we do longer , may be once a week we may do a 20 mile trip to a garden centre etc. in this cold weather round town on the short runs we are only getting 29/30mpg , on the odd little run out to the country side i get about 45-50mpg, motorway once a year down to Brean at 60mph about 50mpg.
its very clear that the short runs and the colder weather get a much lower MPG figure. i dont expect to get more when the engine is cold. once the car is warmed up you can really see the difference in MPG.
We are moving over to EV in 6 weeks which may be better for short runs (Still greatly effected by the cold i know)
Paul