Member Since: 28 Jan 2013
Location: Sunderland
Posts: 82
Check my mpg calculations
Hi everyone
Im after 2nd opinion on my calculations
On £20.00 of diesel (15.16litre i paid at £1.32 per litre)
Im getting 51.5 miles
So heres my sums
51.5 divide by 15.16 =3.39 miles per litre
3.39miles x 4.5 litres(1 gallon)= 15.2 MPG
Is my calculations right?
Thanks in advance
12th Jun 2018 9:50 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
No, slightly better. 15.45mpg.
12th Jun 2018 9:52 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4400
15.43 mpg. 4.54 litres in a gallon Richard
D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.
Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone
12th Jun 2018 9:54 pm
993porky
Member Since: 28 Jan 2013
Location: Sunderland
Posts: 82
Wow
Thanks for the quick replies
Just confirmed my thoughts im getting crap MPG
12th Jun 2018 9:57 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
Basically, yep. Check for binding brakes or EPB would be your first port of call.
12th Jun 2018 9:59 pm
993porky
Member Since: 28 Jan 2013
Location: Sunderland
Posts: 82
DSL
thanks for advice,do you think thats pretty poor MPG?
12th Jun 2018 10:02 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
What sort of driving? Short cold trips or motorway driving at, say 70mph?
12th Jun 2018 10:07 pm
rrhool
Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4400
993porky wrote:
DSL
thanks for advice,do you think thats pretty poor MPG?
It's not good. Perhaps if you've been towing a 3 tonne trailer at 70mph, you might expect 15mpg!
You should be seeing 25+ for normal driving.Richard
D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.
Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone
12th Jun 2018 10:09 pm
993porky
Member Since: 28 Jan 2013
Location: Sunderland
Posts: 82
Shorts trips mainly stop starting,but just looked at rear alloys and they are covered in black brake dust more than fronts so like you say could be binding brakes?
And tonight going through mcdonalds drive through with window open thought i heard a bit squelling
Is that a sign of binding,just im not very mechanically minded
12th Jun 2018 10:13 pm
993porky
Member Since: 28 Jan 2013
Location: Sunderland
Posts: 82
rrhool
Thats what i thought 25+ as my brother gets around 30mpg in his disco4 similar driving
12th Jun 2018 10:16 pm
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
Check carefully for hot wheels after driving, that’ll tell you if that’s what’s going on. 15mpg could be “normal” if very short, cold trips but even then I’d expect 18 - 19mpg or so.
12th Jun 2018 10:19 pm
Henda
Member Since: 05 May 2016
Location: Gateshead
Posts: 473
Just renewed my rear brakes and my mpg has went from around 24 mpg to around 28 mpg that's on short trips around 7 miles to work that's town and m/way at the weekends it's dropping to around 25 mpg around the doors . Mines a Manuel so I would expect to lose a couple of miles per gallon on an auto All transmission oil replaced
3 flash indicators
All timing belts changed
EPB serviced
De cat fitted
Wind deflectors
De-tango done
Tints fitted
Egr blanked
13th Jun 2018 7:25 am
life - live it
Member Since: 14 Apr 2017
Location: Behind you
Posts: 1022
13th Jun 2018 7:31 am
DSL Keeper of the wheelie bin
Member Since: 11 May 2006
Location: Off again! :-)
Posts: 72787
Manuals are a few mpg better than autos. Just beware of the trip comp figures, they generally overread by 2 - 5mpg.
13th Jun 2018 7:32 am
Henda
Member Since: 05 May 2016
Location: Gateshead
Posts: 473
Please don't burst my bubble
All transmission oil replaced
3 flash indicators
All timing belts changed
EPB serviced
De cat fitted
Wind deflectors
De-tango done
Tints fitted
Egr blanked
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