All the albums that peaked at #6:
Album title–Artist (weeks at #6)
1983
01. Flashdance–Soundtrack (1) [a]
1984
02. Bananarama–Bananarama (2)
1985
03. Greatest Hits Volume I & Volume II–Billy Joel (6) [b]
1986
04. Live at the Lyceum-London-20th May 1984–The Cult (1)
1987
05. Who’s That Girl–Soundtrack (3)
1989
06. Electric Youth–Debbie Gibson (1)
07. Love Junk–The Pursuit of Happiness (2)
08. Decade–Duran Duran (4)
1991
09. New Jack City–Soundtrack (4)
1992
10. Earth Song/Ocean Song–Mary Hopkin (3)
1993
11. 
–prince and the new power generation (4)
12. Hormonally Yours–Shakespears Sister (2)
13. The Bodyguard–Soundtrack (1)
14. The Whale–John Tavener (3)
1995
15. The Best of New Order–New Order (3)
16. Those Were the Days–Mary Hopkin (1)
1998
17. Vertical Man–Ringo Starr (1)
18. The #1 Remixes–Lisa Stansfield (2)
1999
19. Strange Behaviour–Duran Duran (3)
20. Lucky Numbers–Frank Sinatra (3)
2000
21. Greatest Christmas Songs–Julie Andrews (5)
2002
22. Outo voima–Pekka Lehti (2)
23. Kaksi!–Hedningarna (1)
24. Hippjokk–Hedningarna (1)
25. Legendary Pointer Sisters–Pointer Sisters (1)
26. Christmas wIth the Rat Pack–Frank Sinatra Dean Martin Sammy Davis, Jr. (1)
2003
27. EP–Clickhaze (2)
28. Christmas–Ella Fitzgerald (1) [c]
[a] Flashdance had already been in release for seven months and was on my chart when I started it in November 1983.
[b] The record for the longest run at #6.
[c] I stopped compiling an albums chart in 2004 and it is unlikely Christmas would have risen higher.