These are widely published numbers regarding the Mustangs produced from 1979-1986

 

1979
Notch (non-Ghia): 156,666
Hatch (non-Ghia): 120,535
Notch Ghia: 56,351
Hatch Ghia: 36,384
Total: 369,936

Pace Cars:
5,970 2.3 Turbo with manual transmission
2,106 5.0 V8 with automatic transmission
2,402 5.0 V8 with manual transmission
Total: 10,478
*note: There were 3 Roush prepped cars that were the ones used during the race. It's said that all three are still accounted for but two were updated to slightly later model specs (early to mid-80s) and used elsewhere.

Total 5.0 production: 47,568
Approximate San Jose plant volume: 101,000

1980
Notch (non-Ghia): 128,893
Hatch (non-Ghia): 98,497
Notch Ghia: 23,647
Hatch Ghia: 20,285
Total: 271,322

Approximate San Jose plant volume: 61,000

1981
Notch (non-Ghia): 77,458
Hatch (non-Ghia): 77,399
Notch Ghia: 13,422
Hatch Ghia: 14,273
Total: 182,552

Approximate San Jose plant volume: 36,000

1982
Notch (non-GLX): 45,316
Hatch (non-GLX): 69,348
Notch GLX: 5,828
Hatch GLX: 9,926
Total: 130,418

Non-GT 5.0 production: 4,656
GT: 24,799
GL & L notch: 45,316
GLX notch: 5,828
GLX hatch: 9,926


1983
Notch: 33,201
Hatch: 64,234
Convertible: 23,438
Total: 120, 873

GT convertible production: 1,001
Non-GT 5.0 production: 7,891
GT: 27,649


1984
Notch: 37,680
Hatch: 86,200
Convertible: 17,600
Total: 141,480

GT convertible: 6,226
Turbo GT: 3,798
Non-GT 5.0 production: 5,280
GT: 32,914

84 G.T. 350/Anniversary Edition:
2.3 Turbo hatchback: 350
5.0 hatchback: 3,333
2.3 Turbo convertible: 104
5.0 convertible: 1,213
Ford VIP convertibles: 15
Canadian cars (not broken down): 245
Total: 5,260

1985
Notch: 56,781
Hatch: 84,623
Convertible: 15,110
Total: 156,514

Twister IIs:
GT hatch: 76
GT convertible: 14
Total: 90
(colours: Red, Canyon Red, Oxford White, Silver Metallic)

LX 5.0: 6,326
GT: 42,428
GT convertible: 5,549

1986
Notch: 83,774
Hatch: 117, 690
Convertible: 22,946
Total: 224, 410

LX 5.0: 6,674
GT: 50,465
GT convertible: 9,887