Fuel prices by chain in Italy

Simonetti Petroli is the cheapest of the 46 chains large enough to average here, at €1.99 a litre; San Marco Petroli is the dearest at €2.14. That is €0.15 a litre — €7.27 on a 50-litre tank — for the same fuel.

#	Chain	Petrol 95	Diesel	vs market	Sites
1	Simonetti Petroli	€1.99	€2.19	−€0.05	32
2	Agip Eni	€1.99	€2.19	−€0.04	3,896
3	ICM	€1.99	€2.24	−€0.04	36
4	CONAD	€2.00	€2.21	−€0.04	52
5	Q8	€2.00	€2.25	−€0.04	2,749
6	Enercoop	€2.00	€2.23	−€0.04	30
7	Dill s	€2.00	€2.23	−€0.03	40
8	COIL	€2.01	€2.26	−€0.03	64
9	Vega	€2.01	€2.26	−€0.03	120
10	Costantin	€2.01	€2.26	−€0.02	109
11	Petrol Company	€2.01	€2.24	−€0.02	30
12	BC	€2.02	€2.27	−€0.02	32
13	DIS-CAR	€2.02	€2.24	−€0.02	30
14	Ego	€2.03	€2.25	−€0.01	80
15	EOS	€2.03	€2.24	−€0.01	37
16	Api-Ip	€2.04	€2.24	−€0.00	3,699
17	bpetrol	€2.04	€2.27	−€0.00	31
18	Tamoil	€2.04	€2.28	+€0.00	1,475
19	Giap	€2.04	€2.26	+€0.00	154
20	Aquila	€2.04	€2.27	+€0.01	58
21	Sia fuel	€2.04	€2.27	+€0.01	63
22	Shell	€2.05	€2.28	+€0.01	159
23	Oil Italia	€2.05	€2.27	+€0.01	35
24	Energas	€2.05	€2.28	+€0.01	152
25	Esso	€2.05	€2.28	+€0.01	2,021
26	Europam	€2.05	€2.28	+€0.01	201
27	Beyfin	€2.05	€2.29	+€0.01	105
28	AF Petroli	€2.05	€2.29	+€0.02	47
29	Itala Petroli	€2.06	€2.26	+€0.02	74
30	Enerpetroli	€2.06	€2.26	+€0.02	81
31	Nobile Oil	€2.07	€2.27	+€0.03	34
32	Toil	€2.07	€2.28	+€0.03	111
33	Retitalia	€2.07	€2.29	+€0.03	180
34	Sommese Petroli	€2.07	€2.31	+€0.04	54
35	Lukoil	€2.07	€2.30	+€0.04	51
36	Ala	€2.08	€2.29	+€0.04	111
37	Sarni Oil	€2.08	€2.31	+€0.04	50
38	GNP	€2.09	€2.28	+€0.05	43
39	Loro	€2.09	€2.30	+€0.06	82
40	Petrol Gamma	€2.09	€2.27	+€0.06	67
41	KEROPETROL	€2.10	€2.31	+€0.06	127
42	Italiana Carburanti	€2.10	€2.31	+€0.06	32
43	Sicilpetroli	€2.11	€2.34	+€0.08	40
44	DBCarburanti	€2.12	€2.31	+€0.08	33
45	Menga petroli	€2.12	€2.37	+€0.08	34
46	San Marco Petroli	€2.14	€2.34	+€0.10	104

Chains with fewer than 30 priced forecourts are left out. An average over a handful of sites is a fact about those sites, not about the chain.