banjodeano Posted June 4, 2017 Share Posted June 4, 2017 So my new car (new to me) has one of the gadgets that tells you how many miles worth of petrol you have left, and it changes as the way you drive your car, but sometimes i think its a bit crazy, when i am in town traffic it actually says i have more milage than when on a steady road, are they just a rubbish gimmick? My thought's on getting the best milage out of a gallon of petrol is to get it in top gear as quick as possible, and to drive as slow as possible in the top gear without labouring the engine is that about right? Link to comment Share on other sites More sharing options...
monkey104 Posted June 4, 2017 Share Posted June 4, 2017 I don't look at mine. I drive a 3 litre Jeep automatic! Link to comment Share on other sites More sharing options...
Padders Posted June 4, 2017 Share Posted June 4, 2017 So my new car (new to me) has one of the gadgets that tells you how many miles worth of petrol you have left, and it changes as the way you drive your car, but sometimes i think its a bit crazy, when i am in town traffic it actually says i have more milage than when on a steady road, are they just a rubbish gimmick? My thought's on getting the best milage out of a gallon of petrol is to get it in top gear as quick as possible, and to drive as slow as possible in the top gear without labouring the engine is that about right? common sense deano, that's all..i bought a new car last year and the gadgets (gimmicks) drive me mad..tells me when the service is due.i know.lights come on when its dark, I know when to put my lights on, tells me when to change gear, I know when to change <removed> gear. reversing buzzers comes on when I'm to close, don't trust it, prefer to look over my shoulder. chucking it down with rain on come the wipers, as if I had"nt noticed, electric windows, prefer a handle less to go wrong. number of miles left in tank, not interested I"ve got a fuel gauge. yes you guessed it I'm an old fart...but I don"t want some invisible robot telling me how to drive. rant over. Link to comment Share on other sites More sharing options...
El Cid Posted June 4, 2017 Share Posted June 4, 2017 So my new car (new to me) has one of the gadgets that tells you how many miles worth of petrol you have left, and it changes as the way you drive your car, but sometimes i think its a bit crazy, when i am in town traffic it actually says i have more milage than when on a steady road, are they just a rubbish gimmick? My thought's on getting the best milage out of a gallon of petrol is to get it in top gear as quick as possible, and to drive as slow as possible in the top gear without labouring the engine is that about right? A useful tool I think. Mt vehicle tells me when to change gear, on occasion I should be in 6th and not 4th, but mostly 6th instead 5th. But the vehicle does not know when you will be slowing down or where the next hill is. Using any electrics in the car, will lower the mpg, so dont have lights/blowers on when not required. Man vs computer, who gets the most MPG? Link to comment Share on other sites More sharing options...
tinfoilhat Posted June 4, 2017 Share Posted June 4, 2017 Get someone to push it Link to comment Share on other sites More sharing options...
banjodeano Posted June 4, 2017 Author Share Posted June 4, 2017 A useful tool I think. Mt vehicle tells me when to change gear, on occasion I should be in 6th and not 4th, but mostly 6th instead 5th. But the vehicle does not know when you will be slowing down or where the next hill is. Using any electrics in the car, will lower the mpg, so dont have lights/blowers on when not required. Man vs computer, who gets the most MPG? now this is something that has always puzzled me, i cant quite work it out, the engine is running and generating electric, so it is producing electric anyway Link to comment Share on other sites More sharing options...
Guest sibon Posted June 4, 2017 Share Posted June 4, 2017 now this is something that has always puzzled me, i cant quite work it out, the engine is running and generating electric, so it is producing electric anyway Perhaps you should google the "principle of conservation of energy". That should explain things to you nicely. Link to comment Share on other sites More sharing options...
smithy266 Posted June 4, 2017 Share Posted June 4, 2017 It is because when the battery is being charged, it takes a bit more effort for the engine to turn the alternator or dynamo. Only a little bit, granted, but enough to make a slight bit of a difference. Link to comment Share on other sites More sharing options...
martin6 Posted June 4, 2017 Share Posted June 4, 2017 Engine load is what affects mpg. The alternator is always running so electricals have very little bearing on mpg. The a/c condenser is clutch engaged so will add to the engine load. Under inflated tyres, weight, junk in the boot all add to engine load. Losing a few pounds will save more mpg than having the radio on !f Link to comment Share on other sites More sharing options...
Subedar Khan Posted June 4, 2017 Share Posted June 4, 2017 Drive 56 mph. On motorway. On country lanes. Link to comment Share on other sites More sharing options...
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