42:
1089:
1109:
1099:
232:
Significantly shorter, narrower, lighter and more fuel-efficient than the platform they replaced, the C Platform vehicles were noted for having nearly the same key interior dimensions as their predecessors and a much more nearly flat passenger compartment floor — albeit with thinner seats and
206:' Cadillac, Buick and Oldsmobile divisions for their full-sized automobiles from 1985 through 1996, sharing unibody construction, transverse engine configuration, rack and pinion steering and four-wheel independent suspension.
216:
were largely identical, sharing the same 110.8 in wheelbase, most bodywork, interior details, glass and engines. Manufacture began with the C platform in late 1983, first at two purpose-built plants,
209:
C-Bodies used, V6 or V8 engines, GM's TMH440 transaxle (initially), unibody construction — and all had been aerodynamically refined, with the
Oldsmobile achieving a .383 drag coefficient.
278:
briefly made its return on this platform, stretched by 23.6" to a wheelbase of 134.4". Cadillac used the platform though 1993; Buick heavily revised the
Electra, becoming the first generation
563:
584:
259:
Cadillac would later introduce C Body models with a 113.8 in wheelbase. Most C-body vehicles were ultimately replaced with cars on the related
521:
556:
423:
and C platform were largely identical, sharing the same 110.8 in wheelbase, most bodywork, interior details, glass and engines.
1102:
1133:
1092:
549:
1112:
940:
936:
921:
907:
903:
825:
821:
801:
797:
777:
773:
748:
724:
720:
668:
632:
16:
This article is about the front-wheel drive 1985-1996 C platform. For the original 1936-1984 rear-wheel drive C platform, see
1023:
1028:
894:
831:
642:
637:
612:
607:
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1069:
1053:
956:
735:
627:
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282:(1991-1996), while still using the C Platform; and Oldsmobile marketed C Platform derivatives through 1990, notably the
525:
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24:
17:
917:
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168:
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57:
989:
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324:
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275:
253:
146:
142:
90:
1005:
685:
681:
380:
339:
279:
199:
138:
134:
107:
1001:
249:
849:
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783:
622:
981:
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572:
468:
222:
203:
117:
62:
41:
1127:
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367:
329:
245:
154:
130:
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575:
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102:
536:
985:
110:
541:
1017:
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1009:
997:
993:
237:, locating windshield as well as side glass closer to passengers.
545:
240:
Introduced in early 1984, the models were marketed as the
408:(subsequent 98 trim levels used a succeeding platform)
122:
Two- and four-door sedan; extended wheelbase limousine.
1062:
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965:
709:
656:
600:
179:
174:
160:
126:
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101:
89:
84:
76:
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229:as well as Flint and Willow Run assembly plants.
557:
8:
1108:
564:
550:
542:
40:
31:
425:
293:
516:
514:
510:
7:
1098:
340:Cadillac De Ville (6th Generation)
202:(FWD) automobile platform used by
14:
1107:
1097:
1088:
1087:
396:Oldsmobile 98 (11th generation)
528:. Popular Science, April 1985.
526:"PS Drives GMs 85 Luxury Cars"
368:Buick Electra (6th Generation)
1:
276:Cadillac Series 75 limousine
290:Models using the C Platform
46:1991-1996 Buick Park Avenue
1150:
22:
15:
1083:
1037:
700:
591:
582:
39:
1134:General Motors platforms
406:Oldsmobile Touring Sedan
284:Oldsmobile Touring Sedan
233:dramatically less upper
225:— later moving to
271:platform designations.
242:Oldsmobile Ninety-Eight
355:Cadillac Sixty Special
151:Cadillac Sixty Special
29:Motor vehicle platform
415:Related H body models
613:Delta (D2XX/PATAC K)
537:List of GM VIN codes
496:GM G platform (FWD)
227:Lansing Car Assembly
212:GM's C platform and
25:List of GM platforms
18:GM C platform (1936)
633:Epsilon (E2XX/P2XX)
492:GM G platform (RWD)
386:GM G platform (FWD)
345:GM K platform (FWD)
219:Wentzville Assembly
169:GM K platform (FWD)
165:GM H platform (FWD)
35:GM C platform (FWD)
487:Pontiac Bonneville
435:Previous platform
325:Cadillac Fleetwood
312:Cadillac Series 75
194:also known as the
147:Cadillac Series 75
143:Cadillac Fleetwood
1121:
1120:
500:
499:
412:
411:
381:Buick Park Avenue
280:Buick Park Avenue
200:front wheel drive
189:
188:
139:Cadillac De Ville
135:Buick Park Avenue
1141:
1111:
1110:
1101:
1100:
1091:
1090:
566:
559:
552:
543:
530:
529:
518:
426:
294:
250:Cadillac Deville
85:Body and chassis
44:
32:
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417:
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839:
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829:
815:
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738:
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583:
580:
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573:General Motors
571:
569:
568:
561:
554:
546:
540:
539:
532:
531:
524:(April 1984).
509:
507:
504:
498:
497:
494:
489:
484:
480:
479:
476:
471:
462:
458:
457:
456:GM G platform
454:
449:
444:
440:
439:
438:Next platform
436:
433:
430:
416:
413:
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409:
403:
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393:
389:
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378:
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352:
348:
347:
342:
337:
333:
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327:
322:
318:
317:
314:
309:
305:
304:
303:Next platform
301:
298:
291:
288:
252:(6th gen) and
248:(6th gen) and
223:Orion Assembly
204:General Motors
192:GM C platform,
187:
186:
181:
177:
176:
172:
171:
162:
158:
157:
128:
124:
123:
120:
114:
113:
105:
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98:
93:
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82:
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78:
74:
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66:
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63:General Motors
60:
54:
53:
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45:
37:
36:
28:
13:
10:
9:
6:
4:
3:
2:
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766:
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621:
619:
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614:
611:
609:
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605:
603:
599:
595:
594:In production
590:
586:
581:
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574:
567:
562:
560:
555:
553:
548:
547:
544:
538:
535:
534:
527:
523:
517:
515:
511:
505:
503:
495:
493:
490:
488:
485:
482:
481:
477:
475:
474:GM B platform
472:
470:
466:
465:Oldsmobile 88
463:
460:
459:
455:
453:
452:GM B platform
450:
448:
447:Buick LeSabre
445:
442:
441:
437:
434:
431:
428:
427:
424:
422:
414:
407:
404:
401:
400:
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387:
384:
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379:
376:
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371:
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366:
363:
362:
358:
356:
353:
350:
349:
346:
343:
341:
338:
335:
334:
331:
330:GM D platform
328:
326:
323:
320:
319:
315:
313:
310:
307:
306:
302:
299:
296:
295:
289:
287:
285:
281:
277:
272:
270:
266:
262:
257:
256:(1985-90)..
255:
251:
247:
246:Buick Electra
243:
238:
236:
230:
228:
224:
220:
215:
210:
207:
205:
201:
197:
193:
185:
184:GM G platform
182:
178:
173:
170:
166:
163:
159:
156:
155:Oldsmobile 98
152:
148:
144:
140:
136:
132:
131:Buick Electra
129:
125:
121:
119:
118:Body style(s)
115:
112:
109:
106:
104:
100:
97:
96:Full-size car
94:
92:
88:
83:
79:
75:
71:
67:
64:
61:
59:
55:
50:
43:
38:
33:
26:
19:
1039:
744:
702:
593:
501:
418:
273:
258:
244:(11th gen),
239:
231:
211:
208:
195:
191:
190:
58:Manufacturer
1063:Trucks/SUVs
966:Trucks/SUVs
657:Trucks/SUVs
69:Also called
973:C/K Series
506:References
421:H platform
235:tumblehome
214:H platform
175:Chronology
108:Transverse
77:Production
23:See also:
576:platforms
522:Jim Dunne
483:1987–1999
461:1986–1999
443:1986–1999
402:1987–1990
392:1985–1996
377:1991–1996
364:1985–1990
351:1987–1993
336:1985–1993
321:1985–1992
308:1985–1987
254:Fleetwood
180:Successor
111:FF layout
80:1985–1996
1128:Category
1093:Category
478:Retired
198:, was a
127:Vehicles
52:Overview
1103:Commons
1002:530/560
986:345/745
982:325/330
875:Premium
703:Retired
585:Marques
161:Related
1040:Future
1024:Lambda
789:GM4200
784:GM2900
432:Model
429:Years
300:Model
297:Years
267:, and
196:C-Body
103:Layout
72:C-Body
1075:VSS-T
1070:VSS-S
1054:VSS-R
1029:Theta
895:Sigma
832:Kappa
643:Omega
638:Alpha
628:VSS-F
608:Gamma
91:Class
1113:List
1047:Cars
1018:K2XX
957:Zeta
890:SCCS
736:BEV2
710:Cars
686:T1XX
678:31XX
669:C1XX
618:BEV3
601:Cars
419:The
274:The
221:and
1014:900
1010:800
1006:600
998:400
994:360
990:355
978:GMT
941:RWD
937:FWD
922:RWD
918:FWD
908:RWD
904:FWD
869:FWD
865:RWD
850:RWD
846:FWD
826:RWD
822:FWD
802:RWD
798:FWD
778:RWD
774:FWD
749:RWD
745:FWD
725:RWD
721:FWD
682:610
674:GMT
664:BT1
623:GEM
469:LSS
1130::
1016:,
1012:,
1008:,
1004:,
1000:,
996:,
992:,
988:,
984:,
939:,
920:,
906:,
867:,
848:,
824:,
808:HQ
800:,
776:,
747:,
723:,
684:,
680:,
513:^
372:-
359:-
316:-
286:.
263:,
1020:)
980:(
952:Z
947:Y
943:)
935:(
933:X
928:W
924:)
916:(
914:V
910:)
902:(
900:T
885:S
880:R
871:)
863:(
861:P
856:N
852:)
844:(
842:M
837:L
828:)
820:(
818:K
813:J
804:)
796:(
794:H
780:)
772:(
770:G
765:F
760:E
755:D
751:)
743:(
741:C
731:B
727:)
719:(
717:A
692:U
688:)
676:(
648:Y
565:e
558:t
551:v
467:/
269:K
265:H
261:G
20:.
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