Data	Su-6 single-seat prototype 1	Su-6 single-seat prototype 2	Su-6 two-seat prototype 3	Su-6 prototype 3, modified
Takeoff weight norm, kg	4,200	5,250	5,534	6,200
Maximum speed, kph: -at sea level -at height/, m	474 566/5,700	445 491/2,500	480 514/3,800	492 521/1860
Service ceiling, m	10,500	-	8,100	7,500
Time-to-height, min/m	6.25/5,000	-	10.6/5,000	7.0/4,000
Flight range, km -normal -maximum	700 -	576 -	- 973	630 1,040
Takeoff run, m	-	520	410	540
Landing run, m	-	610	730	660
Aircraft length, mm	9,133	9,133	9,242	9,500
Wingspan, mm	13,500	13,500	13,500	13,580
Aircraft height, mm	3,983	3,888	3,890	3,500
Armaments	-	4xShKAS 2xVYa-23 10xRS-132	2xShKAS 1xUBT 2xNS-37	2xShKAS 1xUBT 2xNS-37
Bomb load, kg -normal -maximum	- -	200 600	- 200	600 -
Engine No and brand	1xM-71	1xM-71	1xM-71F	1xAM-42
Engine rating, hp	2,000	2,000	2,200	2,000