The Philadelphia 76ers had their best record in a season in 1966-67, with a record of 68-13.

what was the best record in a season for the 76ers

TEAM	REC	SEASON	GP	W%	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
Philadelphia 76ers	68-13	1966-67	81	.840	240.9	125.2	70.4	26.4				48.3	100.0	48.3				28.6	42.1	68.0	19,515	10,143	5,701	2,138				1,906
Syracuse Nationals	51-13	1949-50	64	.797	243.1	84.8		23.0				29.2	82.4	35.4				26.4	37.4	70.6	15,560	5,429		1,473				1,833
Philadelphia 76ers	65-17	1982-83	82	.793	241.8	112.1	47.9	24.6	9.9	7.0	19.8	43.9	88.0	49.9	0.3	1.3	22.9	24.0	32.3	74.2	19,830	9,191	3,930	2,016	812	577	1,627	2,041
Philadelphia 76ers	62-20	1980-81	82	.756	242.1	111.7	45.2	28.9	10.5	7.2	20.8	44.3	86.3	51.4	0.2	1.0	22.6	22.7	29.6	76.8	19,855	9,156	3,709	2,369	857	591	1,702	2,061
Philadelphia 76ers	62-20	1967-68	82	.756	241.2	122.6	72.1	26.8				48.4	102.6	47.1				25.9	40.7	63.5	19,780	10,051	5,914	2,197				1,851
Philadelphia 76ers	59-23	1979-80	82	.720	242.1	109.1	46.6	27.1	9.7	8.0	20.8	43.0	87.3	49.2	0.3	1.5	21.6	22.9	29.6	77.2	19,855	8,949	3,822	2,226	792	652	1,708	1,860
Philadelphia 76ers	58-24	1984-85	82	.707	241.5	112.9	44.7	24.4	10.0	6.5	19.2	42.0	85.3	49.2	0.7	2.7	26.3	28.2	35.2	80.3	19,805	9,261	3,665	1,999	817	534	1,575	1,971
Philadelphia 76ers	58-24	1981-82	82	.707	242.1	111.2	41.7	27.6	10.4	7.6	18.0	44.1	85.0	51.8	0.5	1.7	29.5	22.5	30.1	74.7	19,855	9,119	3,420	2,264	856	622	1,474	2,183
Philadelphia 76ers	55-25	1965-66	80	.688	240.6	117.3	70.7	23.8				45.6	102.4	44.6				26.1	39.3	66.4	19,250	9,387	5,652	1,905				2,094
Philadelphia 76ers	56-26	2000-01	82	.683	242.1	94.7	44.8	20.6	8.4	5.0	15.8	35.4	79.1	44.7	3.2	9.8	32.6	20.7	27.8	74.5	19,855	7,763	3,675	1,692	690	408	1,292	1,673
Philadelphia 76ers	49-23	2020-21	72	.681	242.1	113.6	45.1	23.7	9.1	6.2	14.4	41.4	86.9	47.6	11.3	30.1	37.4	19.6	25.5	76.7	17,430	8,182	3,244	1,706	655	447	1,040	1,456
Philadelphia 76ers	55-27	1977-78	82	.671	241.8	114.7	48.7	27.1	9.8	6.7	21.4	44.2	91.1	48.6				26.3	34.9	75.2	19,830	9,409	3,993	2,220	800	548	1,752	2,188
Philadelphia 76ers	55-27	1968-69	82	.671	241.5	118.9	55.0	23.3				45.8	100.9	45.4				27.3	37.6	72.5	19,805	9,746	4,513	1,914				2,145
Syracuse Nationals	47-24	1952-53	71	.662	243.5	85.6	48.9	20.5				27.4	75.1	36.4				30.9	41.5	74.5	17,290	6,081	3,472	1,459				2,132
Philadelphia 76ers	54-28	2022-23	82	.659	242.4	115.2	40.9	25.2	7.7	4.7	13.7	40.8	83.8	48.7	12.6	32.6	38.7	21.0	25.1	83.5	19,880	9,448	3,356	2,063	635	389	1,121	1,675
Philadelphia 76ers	54-28	1985-86	82	.659	242.7	110.4	45.2	24.6	10.5	6.0	19.5	41.9	86.1	48.7	0.6	2.7	22.8	26.0	34.3	75.8	19,905	9,051	3,704	2,017	862	490	1,595	1,798
Philadelphia 76ers	53-29	1989-90	82	.646	241.5	110.2	42.9	23.6	8.4	4.5	14.7	41.9	85.7	48.9	2.3	6.6	34.8	24.1	30.6	78.8	19,805	9,039	3,517	1,932	687	365	1,209	1,697
Philadelphia 76ers	52-30	2017-18	82	.634	241.2	109.8	47.4	27.1	8.3	5.1	16.5	40.8	86.6	47.2	11.0	29.8	36.9	17.1	22.8	75.2	19,780	9,004	3,889	2,221	682	420	1,353	1,811
Philadelphia 76ers	52-30	1983-84	82	.634	243.4	107.8	43.5	24.8	9.8	8.0	19.9	41.3	83.3	49.5	0.4	1.3	27.1	24.9	33.0	75.4	19,955	8,838	3,563	2,032	807	653	1,628	2,040
Philadelphia 76ers	51-31	2021-22	82	.622	241.5	109.9	42.3	23.7	7.7	5.3	12.5	39.4	84.5	46.6	11.6	31.8	36.4	19.6	23.8	82.1	19,805	9,015	3,470	1,945	633	435	1,027	1,590
Philadelphia 76ers	51-31	2018-19	82	.622	241.5	115.2	47.8	26.9	7.4	5.3	14.9	41.5	88.2	47.1	10.8	30.2	35.9	21.2	27.5	77.1	19,805	9,445	3,917	2,207	606	432	1,223	1,745
Philadelphia 76ers	50-32	1976-77	82	.610	241.2	110.2	49.3	24.0	9.9	6.8	23.4	42.8	89.3	48.0				24.5	33.3	73.6	19,780	9,034	4,045	1,966	814	561	1,915	2,074
Syracuse Nationals	40-26	1951-52	66	.606	243.0	86.7	54.6	20.8				28.7	78.9	36.4				29.3	39.2	74.7	16,040	5,721	3,603	1,373				1,970
Syracuse Nationals	48-32	1962-63	80	.600	240.3	121.6	69.0	21.8				46.1	103.6	44.5				29.4	37.6	78.2	19,225	9,730	5,516	1,742				2,277
Syracuse Nationals	45-30	1959-60	75	.600	241.0	118.9	72.1	22.3				45.4	109.8	41.4				28.1	35.5	79.1	18,075	8,917	5,406	1,676				1,939