best goal differential regular season and playoffs single season

The Montreal Canadiens have the highest goal differential by a team in a combined regular-season and postseason, with a differential of 247 goals in 1976-77.

	TEAM	DIFF	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Canadiens	247	1976-77	94	72	10	12		132	.702			441	194			34.52	13.6	25.27	.918
2	Canadiens	205	1977-78	95	71	13	11		129	.679			417	212	30.7	82.8	32.47	13.5	25.64	.913
3	Bruins	190	1970-71	85	60	18	7		121	.712			425	235			40.61	12.3	31.40	.912
4	Canadiens	181	1975-76	93	70	12	11		127	.683			381	200			33.70	12.2	27.32	.921
5	Oilers	170	1983-84	99	72	22	5		119	.601			540	370	24.9	79.3	33.62	16.2	32.79	.886
6	Islanders	168	1981-82	99	69	20	10		118	.596			470	302	35.8	75.0	31.28	15.2	29.63	.897
7	Canadiens	168	1974-75	91	53	19	19		113	.621			423	255			32.21	14.4	28.80	.903
8	Canadiens	166	1972-73	95	64	15	16		120	.632			402	236			32.06	13.2	30.27	.918
9	Red Wings	156	1995-96	101	72	22	7		131	.649			383	227	20.6	87.7	32.23	11.8	23.63	.905
10	Bruins	156	1971-72	93	66	16	11		119	.640			394	238			33.61	12.6	29.27	.913
11	Flames	155	1988-89	102	70	23	9		117	.574			436	281	24.2	83.4	34.50	12.4	25.68	.893
12	Canadiens	155	1978-79	96	64	21	11		115	.599			400	245	28.5	83.3	32.19	12.9	25.50	.900
13	Flyers	151	1975-76	96	59	21	16		118	.615			409	258			36.26	11.7	28.13	.904
14	Islanders	150	1978-79	90	57	19	14		116	.644			385	235	28.9	81.0	28.66	14.9	28.87	.910
15	Canadiens	150	1943-44	59	46	6	7		83	.703			273	123
16	Oilers	144	1984-85	98	64	23	11		109	.556			499	355	30.9	73.8	32.61	15.6	32.17	.887
17	Islanders	144	1980-81	98	63	21	14		110	.561			452	308	31.1	79.5	30.22	15.3	29.64	.894
18	Canadiens	142	1981-82	85	48	20	17		109	.641			376	234	25.6	79.0	33.69	13.1	27.07	.898
19	Bruins	142	1973-74	94	62	23	9		113	.601			407	265			34.07	12.7	29.52	.905
20	Oilers	139	1982-83	96	58	26	12		106	.552			504	365	27.3	77.2	33.18	15.8	31.89	.881
21	Rangers	136	1971-72	94	58	23	13		109	.580			369	233			35.31	11.1	26.23	.906
22	Flyers	131	1974-75	97	63	23	11		113	.582			346	215			32.87	10.9	25.29	.912
23	Sabres	129	1979-80	94	56	22	16		110	.585			366	237	25.0	83.2	29.30	13.3	24.70	.898
24	Bruins	128	2022-23	89	68	16		5	135	.758	4	3	328	200	23.9	86.5	33.18	11.1	30.03	.925
25	Oilers	127	1985-86	90	62	21	7		119	.661			467	340	25.6	81.2	32.84	15.8	34.20	.890