Front-wheel drive now became the rule at Cadillac, as in nearly all other makes. Two grand old names, DeVille and Fleetwood, made the switch this year. All Cadillacs except the subcompact Cimarron (and carryover rear-drive Brougham) now carried a transverse-mounted, fuel-injected 4.1 liter V-8 engine with die-cast aluminum-block. Two safety improvements arrived this year: anti-lacerative windshield glass (with inner layer of two-part plastic) on Seville's Elegante, plus a high-mount stop lamp on all DeVilles and Fleetwoods. That stop lamp would become required on all cars for 1986.
| Cadillacs again had a 17-symbol Vehicle Identification Number (VIN), stamped on a metal tag attached to the upper left surface of the cowl, visible through the windshield. Coding changed to reflect the new front-drive models. |
| The first character is a "1" to indicate the manufacturing country (U.S.A.) |
| The second character is a "G" for General Motors |
| The third is a "6" for Cadillac Division |
Character four is the car line (GM body):
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Character five indicates series:
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Digits six and seven indicate body type:
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Next is the engine code:
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| The next symbol is a check digit. |
| Symbol ten indicates model year ("F" = 1985) |
Next is a code for assembly plant:
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Finally comes a six-digit production sequence number
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| An identifying number is also on the engine, and a set of codes on a body number plate. |