Atrophy MPG: A3 TFSI 2017

Start date 2017-02-26 14:37:00 Last updated 2024-09-04 11:25:46

Last data update 15 Apr 2025; 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 2017 00:00	14				Picked up
1 Mar 2017 00:00	16	26.22	30.99		Filled ASAP after pick-up								2	2					2
21 Mar 2017 00:00	317	45.01	52.75		- -	6.69	30.40	19.34	301	30.40	300	334	15	15		30.40	20	20	5	5533		17.5
9 Apr 2017 00:00	563	37.02	42.28		- -	6.65	30.21	23.06	246	30.31	299	332	12	14		30.35	18	38	7	5147	53	17.4
24 Apr 2017 00:00	875	43.03	50.00		Slightly over-filled	7.25	32.96	25.87	312	31.23	326	362	20	15		31.01	15	53	10	5828	14	16.9
15 May 2017 00:00	1163	41.70	47.00		- -	6.91	31.40	27.07	288	31.59	310	345	13	15		31.10	21	74	11	5598	22	16.7
20 May 2017 00:00	1206				Wife lost (mileage guessed)								8	14			26	79	10	5445
12 Jun 2017 00:00	1405	29.02	33.00		- -	8.34	37.91	28.48	242	33.65	375	416	8	13		32.81	28	102	10	4934	133	16.2
30 Jun 2017 00:00	1804	40.16	44.46		- -	9.94	45.17	31.04	399	38.09	447	496	22	14		35.90	18	120	13	5405	48	15.1
12 Sep 2017 00:00	2171	47.21	53.77		- -	7.77	35.34	31.70	367	39.37	349	388	4	11		35.76	74	194	11	4041	-17	15.0
1 Dec 2017 00:00	2622	47.75	56.77	-15	- -	9.45	42.94	33.20	451	40.95	425	472	5	9	10.97	37.55	80	275	9	3463	-25	14.6
14 Dec 2017 00:00	3017	42.05	50.00		Well brimmed after P&R trip	9.39	42.70	34.20	395	40.25	422	469	30	10		38.84	13	288	14	3808	27	14.3
21 Apr 2018 00:00	3294	34.84	41.77		- -	7.95	36.14	34.36	277	40.96	357	397	2	7		38.17	127	415	11	2880	80	14.4
11 Oct 2018 00:00	3629	43.56	56.15		- -	7.69	34.96	34.41	335	38.01	346	384	1	6		37.37	173	588	9	2241	11	14.6
7 Jan 2019 00:00	3989	46.85	53.83	-4	Said it had 45 miles left	7.68	34.93	34.46	360	35.28	345	384	4	5	10.22	36.76	88	677	7	2144	-14	14.6
28 Jan 2019 00:00	4031				Service								2	5			109	698	6	2102
19 Jun 2019 00:00	4330	43.37	54.17		- -	7.86	35.74	34.56	341	35.21	353	393	2	5		36.50	162	839	5	1876	12	14.7
3 Sep 2019 00:00	4593	32.37	41.40		- -	8.12	36.94	34.69	263	35.75	365	406	3	4		36.61	76	915	4	1825	102	14.8
26 Dec 2019 00:00	5007	48.76	58.46		- -	8.49	38.60	34.98	414	37.17	382	424	3	4		37.11	114	1030	4	1770	-31	14.7
4 Feb 2020 00:00	5149				MOT test, "24DX Completed"								3	4			154	1070	4	1752
21 Feb 2020 00:00	5214	25.92	31.08		- -	7.99	36.31	35.03	207	37.54	359	399	3	4		36.91	57	1087	4	1747	152	14.8
26 Jun 2020 00:00	5466	29.27	32.46		- -	8.61	39.14	35.20	252	38.18	387	430	2	4		37.47	125	1212	3	1641	135	14.7
19 Oct 2020 00:00	5861	43.62	47.07		- -	9.06	41.17	35.55	395	39.29	407	452	3	4		38.39	115	1327	3	1608	12	14.5
22 Dec 2020 00:00	5919				Inspection with oil change & pollen filter									4			179	1392	2	1549
1 Feb 2021 00:00	5984		49.99		MOT test								1	4			220	1433	2	1521
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
2 Jun 2021 00:00	6223	45.98	56.05	6280	- -	7.87	35.79	35.56	362	38.59	354	393	1	3	5925.72	37.74	226	1553	2	1459	-7	15.3
26 Oct 2021 00:00	6580	42.03	60.90		- -	8.49	38.61	35.72	357	38.47	382	424	2	3		37.96	146	1699	2	1410	25	15.4
3 Jan 2022 00:00	6836	29.63	39.14		27.98+1.65 from can (estimated). Prior to R&P trip	8.64	39.28	35.84	256	37.68	388	431	3	3		38.29	69	1769	2	1408	132	15.4
6 Jan 2022 00:00	7212	34.37	48.08		To R&P and back	10.94	49.73	36.37	376	42.40	492	546	125	4		41.15	3	1772	33	1483	116	15.3
19 Jan 2022 00:00	7220				MOT test (valid to 31 Jan 2023)									4			16	1785	25	1474
27 Jan 2022 00:00	7249				Brake fluid change								3	4			24	1793	19	1473
26 Apr 2022 00:00	7518	38.65	60.26		- -	7.92	35.99	36.35	306	41.54	356	395	3	3		39.86	109	1881	15	1456	50	15.5
13 Oct 2022 00:00	7885	45.03	73.35		- -	8.15	37.05	36.39	367	40.40	366	407	2	3		39.16	170	2051	12	1401		15.7
27 Oct 2022 00:00	8286	40.84	66.12		- -	9.82	44.64	36.71	401	39.21	441	490	28	4		40.53	14	2065	16	1462	40	15.7
18 Jan 2023 00:00	8436				MOT test, service, cam belt change								1	3			97	2149	12	1431
15 Apr 2023 00:00	8569	37.81	54.41		- -	7.48	34.03	36.62	283	38.63	336	374	1	3		38.90	170	2235	9	1397	53	15.8
2 Aug 2023 00:00	8992	45.33	63.42		55 range left it said	9.33	42.42	36.86	423	40.59	419	466	3	3		39.78	109	2344	8	1398	-3	15.8
8 Nov 2023 10:39	9308	33.07	48.91		- -	9.56	43.44	37.05	316	39.98	429	477	3	3		40.70	98	2443	7	1389	113	15.8
22 Jan 2024 14:04	9367				MOT test & brake fluid change									3			173	2518	5	1356
18 Jun 2024 10:48	9481	23.60	33.49		- -	7.33	33.33	36.97	173	40.65	329	366		3		38.85	222	2666	4	1296	156	15.9
28 Dec 2024 12:24	9778	39.26	53.75		- -	7.56	34.39	36.89	297	37.25	340	378	1	3		37.74	193	2859	3	1247	43	15.9
8 Jan 2025 09:22	9791				Service and MOT test								1	3			203	2870	3	1244
15 Apr 2025 11:12	10059	29.98	39.94		Mostly to Peter and back	9.37	42.61	37.03	281	36.77	421	468	2	3		38.96	107	2967	2	1236	140	15.9

(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