The following chart is a compiled list of information from a variety of sources including Ford publications such as the armchair estimators,
dealer brochures, and dealer promotional material. The prices and list is not completely comprehensive
and may vary from other sources but it gives a close picture of how a 1970 Mustang could be optioned.
Hopefully this information will be interesting and useful to you.
 
Hardtop, Coupe 65A $2,721.00
Convertible, 76A 3,025.00
SportsRoof Fastback, 63A 2,771.00
Mach 1, 63C 3,271.00
Grande, 65E 2,926.00
Boss  302 3,720.00
155 hp 250 cid 6   (not available Mach 1, extra charge over 200 cid 6 cylinder) 39.00
220 hp 302 V-8   (not available Mach 1, extra charge over 200 cid 6 cylinder) 101.00
Extra charge over base 302 cid V-8 for:  
   351 cid 250 hp (standard for Mach 1, extra charge over 302 cid 220 hp) 45.00
   351 cid 300 hp (except Mach 1, extra charge over 302 cid 220 hp) 93.00
351 cid 290 hp Mach 1 (over 351 cid 250 hp) 48.00
335 hp 428 V-8 Cobra (extra charge over 302 cid 220 hp) 356.00
335 hp 428 V-8 Mach 1 (over 351 cid 250 hp) 311.00
335 hp 428 V-8 Ram Air Cobra Jet (CJ-R) (except Mach 1) 421.00
335 hp 428 V-8 Ram Air Cobra Jet (CJ-R) Mach 1 (over 351 cid 250 hp) 376.00
375 hp 429 V-8 Cobra Jet HO (Boss 429) 1,208.00
Cruise-O-Matic automatic transmission, 302 & 351 V-8 201.00
Cruise-O-Matic automatic transmission,  428 V-8 222.00
4-speed manual transmission, V-8 302, 351 & 428  205.00
Power front disc brakes, V-8 (not available with 6 cylnder) 65.00
Traction Lok differential 43.00
Power steering 95.00
Quick ratio steering (standard on Boss 302) 16.00
Convenience Group (Grande, Boss 302, Mach 1 & Decor Group) 32.00
Convenience Group (all others) 45.00
Rear Window defogger (2 door hardtop) 26.00
Center Console *** -- (note: this was a separate option not included in the decor groups) 54.00
Intermittent windshield wipers 26.00
Color-keyed racing mirrors 26.00
Drag Pak axle (428 cid with 3.91 and 4.30 ratios) 155.00
Optional ratio axle  13.00
Competition Suspension (not available on 6 cylinder) 31.00
Tachometer and trip odometer (V-8 only) 54.00
Electric clock rectangular (not available on Mach 1 and Grande or Decor group) 16.00
Electric clock round, Decor Group only ( standard on Grande & Mach 1) 16.00
SelectAire air conditioner (not available with 200 cid, Boss 302 or 428 cid with 4 speed) 380.00
Deluxe Interior Decor Group (SportsRoof, Boss 302 and Convertible) 78.00
Deluxe Interior Decor Group (Convertibles) 97.00
Deluxe seatbelts with warning light 15.00
Heavy duty battery 55 amp 13.00
Heavy duty battery 70 amp 13.00
Rear deck spoiler (Sportsroof  only) 20.00
Shaker hood scoop (Boss 302 and 351) 65.00
Sport Slats for rear window (requires dual racing mirrors) 65.00
Tilt away steering wheel 45.00
Rim-blow deluxe steering wheel 39.00
AM radio - push button  61.00
AM FM - push button radio 214.00
Stereosonic tape system (AM radio required) 134.00
Rear seat deck (SportsRoof and Mach 1) 97.00
Vinyl roof, (65A, hardtop/coupe and Grande only) 26.00
Wheel covers (standard on Grande ) 26.00
Wire Wheel covers (Grande) 53.00
Wire Wheel covers (all others) 79.00
Sports wheel covers (Grande & Boss 302) 32.00
Sports wheel covers  (all others) 58.00
Magnum 500 chrome wheels (Boss 302 only) 129.00
Argent style steel wheels (Grande, no charge for Mach 1) 32.00
Argent style steel wheels (all others) 58.00
Trim rings/hubcaps (standard on Boss 302) 26.00
Space Saver Spare (standard Boss 302, not available with 6 cylinder)  
     with E70 or F70X14 WSW or RWL tires 7.00
     with E78X14 WSW tires 13.00
     with E78X14 BSW tires 20.00
Front bumper guards 13.00
Rocker Panel Molding (standard Decor Group, not available on Grande, Mach 1, and Boss 302) 16.00
Dual accent paint stripes, Mach 1 13.00