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Fuel log graph
Efficiency log for: Gazers Car - 2009 Nissan Pixo N-TEC
  • Lifetime Fuel Economy: 43 mpg (US), 5.5 L/100 km, 51.6 mpg (Imp)
  • 90-day Fuel Economy: 44.3 mpg (US), 5.3 L/100 km, 53.3 mpg (Imp)
  • 3-tank Fuel Economy: 42.7 mpg (US), 5.5 L/100 km, 51.3 mpg (Imp)
  • EPA Combined Rating / % over rating: 41 mpg (US) / 8.1% (based on 90-day fuel economy)
  • Total fills: 33
  • Average cost per gal/L: $2.99 per gal (US); $0.79 per L (price data entered for 26 fill/s)
  • Average cost per fill: $26.32
  • Average distance cost: $0.07 per mi. / $0.04 per km
  • Total fuel used: 248.77 gal (US), 941.7 L
  • Total distance traveled: 10698.2 mi. / 17217.1 km
  • Total cost: $684.26
  • Total fuel saved vs. EPA: 12.2 gal. (US) / 46.2 L
  • Total saved: $36.48 (based on avg. cost per gal./L)
  • Average tank distance: 324.2 mi. / 521.7 km
Fill date Distance Fill amount Price Fuel Economy Details
2017-03-12 152.5 mi
245.42 km
11 L
2.91 gal (US)
2.42 gal (Imp)
98.07 kWh
4.48 L/100 km
52.41 mpg (US)
63.02 mpg (Imp)
1.91 gal (US)/100 mi
643.08 Wh/mi
As I spent over an hour in traffic, don't know why this is such a good result, but will keep an eye on where I fill up to see if that's a variable. Different garage on LPG fill this time.
2017-03-06 167 mi
268.76 km
17.86 L
4.72 gal (US)
3.93 gal (Imp)
159.06 kWh
6.65 L/100 km
35.38 mpg (US)
42.49 mpg (Imp)
2.83 gal (US)/100 mi
952.46 Wh/mi
Switched back over to lpg. Fill was totally from an empty tank, which may have obscured the mpg results?
2017-02-19 116.3 mi
187.17 km
9.72 L
2.57 gal (US)
2.14 gal (Imp)
86.61 kWh
5.19 L/100 km
45.25 mpg (US)
54.35 mpg (Imp)
2.21 gal (US)/100 mi
744.71 Wh/mi
petrol
2017-02-17 73.6 mi
118.45 km
6.32 L
1.67 gal (US)
1.39 gal (Imp)
56.28 kWh
5.34 L/100 km
44.07 mpg (US)
52.95 mpg (Imp)
2.27 gal (US)/100 mi
764.67 Wh/mi
still on petrol
2017-02-14 76.9 mi
123.76 km
6.59 L
1.74 gal (US)
1.45 gal (Imp)
58.64 kWh
5.32 L/100 km
44.2 mpg (US)
53.03 mpg (Imp)
2.26 gal (US)/100 mi
762.55 Wh/mi
Disappointing fuel return, running on petrol. Lets see how the next on goes
2017-02-10 75.7 mi
121.83 km
5.97 L
1.58 gal (US)
1.31 gal (Imp)
53.25 kWh
4.9 L/100 km
47.91 mpg (US)
57.79 mpg (Imp)
2.09 gal (US)/100 mi
703.43 Wh/mi
short trip just to recalibrate the Scangauge settings. Still on petrol
2017-02-09 170.2 mi
273.91 km
13.57 L
3.58 gal (US)
2.98 gal (Imp)
120.65 kWh
4.95 L/100 km
47.54 mpg (US)
57.11 mpg (Imp)
2.1 gal (US)/100 mi
708.87 Wh/mi
petrol top-up (not LPG). Had problems with the CAT and coil pack, been resolved now. Hoping for best ever fuel economy from hereon in.
2016-11-21 520 mi
836.86 km
48 L
12.68 gal (US)
10.56 gal (Imp)
427.32 kWh
$0.8
($38.4 total for this fill)
5.74 L/100 km
41.01 mpg (US)
49.24 mpg (Imp)
2.44 gal (US)/100 mi
821.77 Wh/mi
Unfortunately, car has been running poorly so been using more petrol and less LPG- this will obscure the final MPG results. I am hoping AFTER my next tank fill these problems would have been sorted out (remap of LPG ECU, spark plugs, filters ect).
2016-10-02 458.8 mi
738.37 km
41.33 L
10.92 gal (US)
9.09 gal (Imp)
368 kWh
$0.8
($33.06 total for this fill)
5.6 L/100 km
42.01 mpg (US)
50.47 mpg (Imp)
2.38 gal (US)/100 mi
802.09 Wh/mi
I had some A:B:A fuel log testing going on in this tank of fuel. drove more harsh, plus took known road trips which were less economical for the car.
Conclusion: being an extreme ecomodder does save fuel, savings between 1 to 7% cost
2016-09-16 387.6 mi
623.78 km
33.5 L
8.85 gal (US)
7.37 gal (Imp)
298.25 kWh
$0.8
($26.8 total for this fill)
5.37 L/100 km
43.8 mpg (US)
52.59 mpg (Imp)
2.28 gal (US)/100 mi
769.48 Wh/mi
cold air intake is now up and running, further intake nods are to come
2016-08-28 231.5 mi
372.56 km
18.96 L
5.01 gal (US)
4.17 gal (Imp)
168.84 kWh
$0.8
($15.17 total for this fill)
5.09 L/100 km
46.21 mpg (US)
55.52 mpg (Imp)
2.16 gal (US)/100 mi
729.33 Wh/mi
cold air intake is now operational
2016-08-10 184.6 mi
297.08 km
16.18 L
4.27 gal (US)
3.56 gal (Imp)
143.9 kWh
$0.8
($12.94 total for this fill)
5.45 L/100 km
43.23 mpg (US)
51.85 mpg (Imp)
2.31 gal (US)/100 mi
779.52 Wh/mi
still playing with the fuel system. this fuel top-up was just to reset the tank level
2016-08-04 456.7 mi
734.99 km
39.17 L
10.35 gal (US)
8.62 gal (Imp)
348.8 kWh
$0.8
($31.34 total for this fill)
5.33 L/100 km
44.13 mpg (US)
52.98 mpg (Imp)
2.27 gal (US)/100 mi
763.74 Wh/mi
still playing with the fuel system which is causing losses.
2016-07-25 419.6 mi
675.28 km
36.9 L
9.75 gal (US)
8.12 gal (Imp)
328.58 kWh
$0.8
($29.52 total for this fill)
5.46 L/100 km
43.04 mpg (US)
51.67 mpg (Imp)
2.32 gal (US)/100 mi
783.08 Wh/mi
been messing around with the fuel system, so there would have been some gas losses. now up and running with an air intake heat exchanger which hopefully will save 10% fuel
2016-07-13 420 mi
675.92 km
35.44 L
9.36 gal (US)
7.8 gal (Imp)
315.43 kWh
$0.8
($28.35 total for this fill)
5.24 L/100 km
44.87 mpg (US)
53.85 mpg (Imp)
2.23 gal (US)/100 mi
751.02 Wh/mi
Being a dual fuel, car done 1460 miles with 5l of petrol since its last petrol top-up. long distance driving with a few short commute trips in hot weather
2016-07-04 602.1 mi
968.99 km
48.83 L
12.9 gal (US)
10.74 gal (Imp)
434.73 kWh
$0.53
($25.88 total for this fill)
5.04 L/100 km
46.67 mpg (US)
56.06 mpg (Imp)
2.14 gal (US)/100 mi
722.02 Wh/mi
almost all motorway driving. warm weather, no rain and average speed of 40mph. Aiming for 30-40mph driving in fourth gear (traffic permitting) from now on, and between 1,800 - 2100 rpm.
2016-06-26 351.9 mi
566.33 km
30.64 L
8.09 gal (US)
6.74 gal (Imp)
272.63 kWh
$0.8
($24.51 total for this fill)
5.41 L/100 km
43.5 mpg (US)
52.21 mpg (Imp)
2.3 gal (US)/100 mi
774.74 Wh/mi
mixed motorway and 17m commute trips. car left standing so was occasionally taken out for short runs to keep the battery topped up.
a new garage was used for fuel top-up, so it was nice to see the same MPG fuel result
2016-06-09 395.3 mi
636.17 km
35.28 L
9.32 gal (US)
7.76 gal (Imp)
314.08 kWh
$0.8
($28.22 total for this fill)
5.55 L/100 km
42.41 mpg (US)
50.94 mpg (Imp)
2.36 gal (US)/100 mi
794.54 Wh/mi
Mileage mostly made up out of 17-mile work commute trips. Being a dual fuel, car done 1060 miles with 5l of petrol since its last petrol top-up.
Per 1000 miles travelled breaks down to 26 miles of petrol on engine start-ups (@27MPG). This equates to approx. 0.45 miles of engine running on petrol before switching over to LPG. The remaining 974 miles on LPG equals a true 48.5 MPG, adjusting for odometer inaccuracies. units for UK.
2016-05-27 462.2 mi
743.84 km
40.01 L
10.57 gal (US)
8.8 gal (Imp)
356.21 kWh
$0.8
($32.01 total for this fill)
5.38 L/100 km
43.73 mpg (US)
52.52 mpg (Imp)
2.29 gal (US)/100 mi
770.68 Wh/mi
Mileage mostly made up out of 17-mile work commute trips.
PLEASE NOTE: Being a Japanese car which is being used in Europe, i have done a best guess scenario for the EPA.
2016-05-11 466.8 mi
751.24 km
41.63 L
11 gal (US)
9.16 gal (Imp)
370.7 kWh
$0.8
($33.3 total for this fill)
5.54 L/100 km
42.44 mpg (US)
50.96 mpg (Imp)
2.36 gal (US)/100 mi
794.13 Wh/mi
Mileage mostly made up out of 17-mile work commute trips. Being a dual fuel, car done 1380 miles with 5l of petrol (this being part of the dual fuel system). Also being dual fuel, I cant incorporate this additional fuel in the above data- hence me now writing up this additional info as and when I top up with petrol.
2016-04-26 899.8 mi
1448.09 km
78.08 L
20.63 gal (US)
17.18 gal (Imp)
695.23 kWh
$0.8
($62.46 total for this fill)
5.39 L/100 km
43.62 mpg (US)
52.37 mpg (Imp)
2.29 gal (US)/100 mi
772.65 Wh/mi
Was hoping for a better fuel return as 600 miles was motorway driving. Going to replace the front tyres as one of them is unbalanced (possibly a pothole), this may have reduced the MPG slightly? Trying to drive at engine load of 32-36%, 54MPH and usually behind a truck on the motorway, which at times was giving me up to 67MPG
2016-04-15 464 mi
746.74 km
41.78 L
11.04 gal (US)
9.19 gal (Imp)
372.05 kWh
$0.8
($33.42 total for this fill)
5.59 L/100 km
42.03 mpg (US)
50.49 mpg (Imp)
2.38 gal (US)/100 mi
801.83 Wh/mi
Mileage mostly made up out of 17-mile work commute trips. For a week there was an additional fuel cost due to a road-works detour.
Odo again calculated to be 3% over optimistic, which these fuel submissions have not been adjusted for
2016-03-30 384 mi
617.99 km
33.58 L
8.87 gal (US)
7.39 gal (Imp)
298.92 kWh
$0.8
($26.86 total for this fill)
5.43 L/100 km
43.29 mpg (US)
51.96 mpg (Imp)
2.31 gal (US)/100 mi
778.44 Wh/mi
stuck in traffic for an hour- reduced my MPG.
new LPG tank fitted, so the next fill will be more accurate as the tank would be 100% purged of air
2016-03-29 317 mi
510.16 km
26 L
6.87 gal (US)
5.72 gal (Imp)
231.52 kWh
$0.8
($20.8 total for this fill)
5.1 L/100 km
46.14 mpg (US)
55.42 mpg (Imp)
2.17 gal (US)/100 mi
730.35 Wh/mi
bit of a guess on the quantity of LPG used as I run the tanks almost dry before replacing them.
most journeys where 17 miles.
2016-03-08 287.1 mi
462.04 km
24.82 L
6.56 gal (US)
5.46 gal (Imp)
221.07 kWh
$0.8
($19.86 total for this fill)
5.37 L/100 km
43.77 mpg (US)
52.58 mpg (Imp)
2.28 gal (US)/100 mi
770.01 Wh/mi
about 16 trips of 17 miles too and from work. as we have had some very cold mornings, I as expecting to see a worse mpg return. the odo is 3% optimistic, which I never correct for.
2016-02-27 275.1 mi
442.73 km
23.63 L
6.24 gal (US)
5.2 gal (Imp)
210.29 kWh
$0.8
($18.9 total for this fill)
5.34 L/100 km
44.09 mpg (US)
52.9 mpg (Imp)
2.27 gal (US)/100 mi
764.41 Wh/mi
about 16 trips of 17 miles too and from work.
2016-02-18 286.4 mi
460.92 km
24.29 L
6.42 gal (US)
5.34 gal (Imp)
216.35 kWh
$0.8
($19.43 total for this fill)
5.27 L/100 km
44.61 mpg (US)
53.63 mpg (Imp)
2.24 gal (US)/100 mi
755.41 Wh/mi
about 16 trips of 17 miles too and from work.
started using pulse and glide method of driving.
Discontinued using the cruise control which I think was consuming about 2% fuel
2016-02-09 255.6 mi
411.35 km
23.5 L
6.21 gal (US)
5.17 gal (Imp)
209.28 kWh
$0.808
($18.99 total for this fill)
5.71 L/100 km
41.16 mpg (US)
49.44 mpg (Imp)
2.43 gal (US)/100 mi
818.78 Wh/mi
15 trips of 17 miles too and from work.
continued using pulse and glide method of driving. Cutting the engine on steep hills did save a bit more fuel, but discontinued using that particular method because 1) lots of hassle for the savings 2) safety reasons 3) bump starting the car could lead to exhaust CAT issues
2016-02-01 259.3 mi
417.3 km
23.31 L
6.16 gal (US)
5.13 gal (Imp)
207.59 kWh
$0.806
($18.79 total for this fill)
5.59 L/100 km
42.09 mpg (US)
50.55 mpg (Imp)
2.38 gal (US)/100 mi
800.58 Wh/mi
200 miles covered in 1 day, mostly motorway
2016-01-30 268.3 mi
431.79 km
26.94 L
7.12 gal (US)
5.93 gal (Imp)
239.94 kWh
$0.796
($21.44 total for this fill)
6.24 L/100 km
37.68 mpg (US)
45.24 mpg (Imp)
2.65 gal (US)/100 mi
894.3 Wh/mi
about 15 trips of 17 miles too and from work.
started using pulse and glide method of driving
2016-01-20 255 mi
410.38 km
29.1 L
7.69 gal (US)
6.4 gal (Imp)
259.15 kWh
$0.799
($23.25 total for this fill)
7.09 L/100 km
33.16 mpg (US)
39.84 mpg (Imp)
3.02 gal (US)/100 mi
1016.27 Wh/mi
2x trips of 30 miles
10x trips of 17 miles
very cold mornings with frost on windscreen, so engine run for a short time before moving off
2016-01-13 277 mi
445.79 km
24.04 L
6.35 gal (US)
5.29 gal (Imp)
214 kWh
$0.806
($19.38 total for this fill)
5.39 L/100 km
43.62 mpg (US)
52.36 mpg (Imp)
2.29 gal (US)/100 mi
772.56 Wh/mi
about 15 trips of 17 miles too and from work
2016-01-02 280.3 mi
451.1 km
25.64 L
6.77 gal (US)
5.64 gal (Imp)
228.15 kWh
$0.826
($21.18 total for this fill)
5.68 L/100 km
41.4 mpg (US)
49.7 mpg (Imp)
2.42 gal (US)/100 mi
813.95 Wh/mi
two main trips of 130 miles, plus a couples of short trips

View: spreadsheet friendly fuel log output (for copy/paste)


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