Atrophy MPG: A3 TFSI 2017

Start date 2017-02-26 14:37:00 Last updated 2020-01-12 12:10:22

Last data update 16 Nov 2021; Fuel tank capacity 50 litres, reserve 5 litres

Date	Miles	Litres	£	Rsv at	Comment	MPL	MPG	OMpg	ΔMls	Roll 3	RsvRng	Rng	M/D	AvM/D	rsv err%	Geom av	Ds/fill	Total days	GeoMpD	Miles/Year	M to rsv	p/mile
1 Mar 17	14				Picked up
1 Mar 17	16	26.22	30.99		Filled ASAP after pick-up								2	2					2
21 Mar 17	317	45.01	52.75		- -	6.69	30.40	30.40	301	30.40	300	334	15	15		30.40	20	20	5	5533		17.5
9 Apr 17	563	37.02	42.28		- -	6.65	30.21	30.31	246	30.31	299	332	12	14		30.35	18	38	7	5147	53	17.4
24 Apr 17	875	43.03	50.00		Slightly over-filled	7.25	32.96	31.23	312	31.23	326	362	20	15		31.01	15	53	10	5828	14	16.9
15 May 17	1163	41.70	47.00		- -	6.91	31.40	31.27	288	31.59	310	345	13	15		31.10	21	74	11	5598	22	16.7
20 May 17	1206				Wife lost (mileage guessed)								8	14			26	79	10	5445
12 Jun 17	1405	29.02	33.00		- -	8.34	37.91	32.25	242	33.65	375	416	8	13		32.81	28	102	10	4934	133	16.2
30 Jun 17	1804	40.16	44.46		- -	9.94	45.17	34.45	399	38.09	447	496	22	14		35.90	18	120	13	5405	48	15.1
12 Sep 17	2171	47.21	53.77		- -	7.77	35.34	34.60	367	39.37	349	388	4	11		35.76	74	194	11	4041	-17	15.0
1 Dec 17	2622	47.75	56.77	-15	- -	9.45	42.94	35.80	451	40.95	425	472	5	9	10.97	37.55	80	275	9	3463	-25	14.6
14 Dec 17	3017	42.05	50.00		Well brimmed after P&R trip	9.39	42.70	36.58	395	40.25	422	469	30	10		38.84	13	288	14	3808	27	14.3
21 Apr 18	3294	34.84	41.77		- -	7.95	36.14	36.54	277	40.96	357	397	2	7		38.17	127	415	11	2880	80	14.4
11 Oct 18	3629	43.56	56.15		- -	7.69	34.96	36.39	335	38.01	346	384	1	6		37.37	173	588	9	2241	11	14.6
7 Jan 19	3989	46.85	53.83	-4	Said it had 45 miles left	7.68	34.93	36.25	360	35.28	345	384	4	5	10.22	36.76	88	677	7	2144	-14	14.6
28 Jan 19	4031				Service								2	5			109	698	6	2102
19 Jun 19	4330	43.37	54.17		- -	7.86	35.74	36.21	341	35.21	353	393	2	5		36.50	162	839	5	1876	12	14.7
3 Sep 19	4593	32.37	41.40		- -	8.12	36.94	36.25	263	35.75	365	406	3	4		36.61	76	915	4	1825	102	14.8
26 Dec 19	5007	48.76	58.46		- -	8.49	38.60	36.44	414	37.17	382	424	3	4		37.11	114	1030	4	1770	-31	14.7
21 Feb 20	5214	25.92	31.08		- -	7.99	36.31	36.43	207	37.54	359	399	3	4		36.91	57	1087	4	1747	152	14.8
26 Jun 20	5466	29.27	32.46		- -	8.61	39.14	36.55	252	38.18	387	430	2	4		37.47	125	1212	3	1641	135	14.7
19 Oct 20	5861	43.62	47.07		- -	9.06	41.17	36.83	395	39.29	407	452	3	4		38.39	115	1327	3	1608	12	14.5
6 Mar 21	5984		49.99		MOT test									4			253	1466	2	1487
2 Jun 21	6223	45.98	56.05	6280	- -	7.87	35.79	36.77	362	38.59	354	393	2	3	5925.72	37.74	226	1553	2	1459	-7	15.3
26 Oct 21	6580	42.03	60.90		- -	8.49	38.61	36.86	357	38.47	382	424	2	3		37.96	146	1699	2	1410	25	15.4
Date	Miles	Litres	£	Rsv at	Comment	MPL	MPG	OMpg	ΔMls	Roll 3	RsvRng	Rng	M/D	AvM/D	rsv err%	Geom av	Ds/fill	Total days	GeoMpD	Miles/Year	M to rsv	p/mile
16 Nov 21	6745	1.65			!emptying can, (2.635-0.567)*0.8 litres calculated from weights	100.00	454.61	37.71	165	44.82	4500	5000	7	3		142.12	21	1721	4	1428	4335	15.1

(Table explanation)

Table Explanation

The data table shows all tabulated values with many extra data columns.

The columns are:
Date
- the date of this fill of petrol
Miles
- the odometer total mileage reading
Litres
- the petrol pump reading of litres put into the tank
£
- the cost, usually in Pounds Sterling
Rsv at
- total miles when first noticed (negative: miles since reserve noted)
Comment
- anything that may be informative
MPL
- calculated miles per litre for this fill
MPG
- calculated miles per (UK) gallon for this fill (4.54609188 litres i a gallon)
OMpg
- the average miles per gallon since new
ΔMls
("delta miles")
- miles since the previous fill
Roll 3
- the average MPG for the last three fills
RsvRng
- the calculated miles until reserve indication expected
Rng
- the calculated range for the whole tank of fuel
M/D
- average miles per day since the previous fill (or fills if more than onefill in one day)
AvM/D
- average miles per day since new
rsv err%
- difference between actual reserve and calculated reserve
Geom av
- pseudo-geometric average MPG, calculated as 0.25 of the latest mpg plus 0.75 of the previous value.
Ds/fill
- number of days since the previous fill
Total days
- total number of days since new
GeoMpD
- geometric average miles per day (calculated as for geometric average MPG
Miles/Year
- average miles per year since new
M to rsv
- calculated miles left until reserve should be indicated
p/mile
- calculated cost per mile

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Date	-	the date of this fill of petrol
Miles	-	the odometer total mileage reading
Litres	-	the petrol pump reading of litres put into the tank
£	-	the cost, usually in Pounds Sterling
Rsv at	-	total miles when first noticed (negative: miles since reserve noted)
Comment	-	anything that may be informative
MPL	-	calculated miles per litre for this fill
MPG	-	calculated miles per (UK) gallon for this fill (4.54609188 litres i a gallon)
OMpg	-	the average miles per gallon since new
ΔMls ("delta miles")	-	miles since the previous fill
Roll 3	-	the average MPG for the last three fills
RsvRng	-	the calculated miles until reserve indication expected
Rng	-	the calculated range for the whole tank of fuel
M/D	-	average miles per day since the previous fill (or fills if more than onefill in one day)
AvM/D	-	average miles per day since new
rsv err%	-	difference between actual reserve and calculated reserve
Geom av	-	pseudo-geometric average MPG, calculated as 0.25 of the latest mpg plus 0.75 of the previous value.
Ds/fill	-	number of days since the previous fill
Total days	-	total number of days since new
GeoMpD	-	geometric average miles per day (calculated as for geometric average MPG
Miles/Year	-	average miles per year since new
M to rsv	-	calculated miles left until reserve should be indicated
p/mile	-	calculated cost per mile