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Fuel log graph
Efficiency log for: Purple rust - 1997 Volkswagen Jetta TDI
  • Lifetime Fuel Economy: 51 mpg (US), 4.6 L/100 km, 61.2 mpg (Imp)
  • 90-day Fuel Economy: 48.7 mpg (US), 4.8 L/100 km, 58.5 mpg (Imp)
  • 3-tank Fuel Economy: 48.7 mpg (US), 4.8 L/100 km, 58.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 37 mpg (US) / 31.6% (based on 90-day fuel economy)
  • Total fills: 6
  • Average cost per gal/L: $5.03 per gal (US); $1.33 per L (price data entered for 5 fill/s)
  • Average cost per fill: $67.74
  • Average distance cost: $0.10 per mi. / $0.06 per km
  • Total fuel used: 86.84 gal (US), 328.7 L
  • Total distance traveled: 4424.2 mi. / 7120 km
  • Total cost: $338.70
  • Total fuel saved vs. EPA: 32.7 gal. (US) / 123.8 L
  • Total saved: $164.48 (based on avg. cost per gal./L)
  • Average tank distance: 737.4 mi. / 1186.7 km
Fill date Distance Fill amount Price Fuel Economy Details
2012-12-08 400 km
248.55 mi
20 L
5.28 gal (US)
4.4 gal (Imp)
177.94 kWh
$1.369
($27.38 total for this fill)
5 L/100 km
47.07 mpg (US)
56.49 mpg (Imp)
2.12 gal (US)/100 mi
715.91 Wh/mi
2012-12-01 1200 km
745.65 mi
63 L
16.64 gal (US)
13.86 gal (Imp)
560.77 kWh
$1.369
($86.25 total for this fill)
5.25 L/100 km
44.81 mpg (US)
53.8 mpg (Imp)
2.23 gal (US)/100 mi
752.06 Wh/mi
2012-11-01 1650 km
1025.26 mi
74 L
19.55 gal (US)
16.28 gal (Imp)
658.84 kWh
4.48 L/100 km
52.44 mpg (US)
62.98 mpg (Imp)
1.91 gal (US)/100 mi
642.61 Wh/mi
2012-09-03 1493 km
927.71 mi
60.4 L
15.96 gal (US)
13.29 gal (Imp)
537.85 kWh
$1.379
($83.29 total for this fill)
4.05 L/100 km
58.13 mpg (US)
69.81 mpg (Imp)
1.72 gal (US)/100 mi
579.76 Wh/mi
nearly reach my goal of 4L/100km !!!

aluminum skirts added at 600-700km

oil change to 5w40 at 500-600km

introduction of real pulse & glide
always try to use EOC when possible
reduce my highway speed to 52mph

I had to put 5L because I didn't had enough fuel to go back home.
2012-08-11 1202 km
746.89 mi
54.32 L
14.35 gal (US)
11.95 gal (Imp)
483.6 kWh
$1.309
($71.1 total for this fill)
4.52 L/100 km
52.05 mpg (US)
62.5 mpg (Imp)
1.92 gal (US)/100 mi
647.48 Wh/mi
duct-tape for about 400-600 km.

Removed it after I had an exhaust leak.

Repaired after about 100 km. Grill block still on.

EOC introduced. Some pulse and EOC ( not real P&G repeated)

Always full it till I can't put any more of it.
2012-07-02 1175 km
730.11 mi
57 L
15.06 gal (US)
12.54 gal (Imp)
507.52 kWh
$1.24
($70.68 total for this fill)
4.85 L/100 km
48.48 mpg (US)
58.22 mpg (Imp)
2.06 gal (US)/100 mi
695.13 Wh/mi
first 400-600 km without any mod. The rest with a grill block and rear duct-tape skirt and mag hole duct-taped.

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


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