| | E37 | | 1975 | | BUICK CENTURY SPECIAL | | | 2-dr colonnade hardtop coupe | | 112" | | 231ci V6 2bbl 110hp | | | | 345 | | 1150 | | 3450 | | 4600 | | 6900 | | 10350 | | |
| | D29 | | 1975 | | BUICK CENTURY | | | 4-dr colonnade hardtop sedan | | 116" | | 231ci V6 2bbl 110hp | | | | 180 | | 600 | | 1800 | | 2400 | | 3600 | | 5400 | | |
| | F45 | | 1975 | | BUICK CENTURY | | | 2-dr colonnade hardtop coupe | | 112" | | 231ci V6 2bbl 110hp | | | | 330 | | 1100 | | 3300 | | 4400 | | 6600 | | 9900 | | |
| | H29 | | 1975 | | BUICK CENTURY CUSTOM | | | 4-dr colonnade hardtop sedan | | 116" | | 231ci V6 2bbl 110hp | | | | 210 | | 700 | | 2100 | | 2800 | | 4200 | | 6300 | | |
| | H57 | | 1975 | | BUICK
CENTURY CUSTOM | | | 2-dr
colonnade hardtop coupe | | 112" | | 231ci V6 2bbl 110hp | | | | 360 | | 1200 | | 3600 | | 4800 | | 7200 | | 10800 | | |
| | J29 | | 1975 | | BUICK CENTURY REGAL | | | 4-dr colonnade hardtop sedan | | 116" | | 231ci V6 2bbl 110hp | | | | 240 | | 800 | | 2400 | | 3200 | | 4800 | | 7200 | | |
| | J57 | | 1975 | | BUICK
CENTURY REGAL | | | 2-dr
colonnade hardtop coupe | | 112" | | 231ci V6 2bbl 110hp | | | | 390 | | 1300 | | 3900 | | 5200 | | 7800 | | 11700 | | |
| | D37 | | 1975 | | BUICK CENTURY GRAN SPORT | | | 2-dr colonnade hardtop coupe | | 112" | | 231ci V6 2bbl 110hp | | | | 480 | | 1600 | | 4800 | | 6400 | | 9600 | | 14400 | | |
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| | D29 | | 1975 | | BUICK CENTURY 350 | | | 4-dr colonnade hardtop sedan | | 116" | | 350ci V8 2bbl 145hp | | | | 255 | | 850 | | 2550 | | 3400 | | 5100 | | 7650 | | |
| | D37 | | 1975 | | BUICK
CENTURY 350 | | | 2-dr colonnade
hardtop coupe | | 112" | | 350ci V8 2bbl 145hp | | | | 405 | | 1350 | | 4050 | | 5400 | | 8100 | | 12150 | | |
| | H29 | | 1975 | | BUICK CENTURY CUSTOM | | | 4-dr colonnade hardtop sedan | | 116" | | 350ci V8 2bbl 145hp | | | | 285 | | 950 | | 2850 | | 3800 | | 5700 | | 8550 | | |
| | H57 | | 1975 | | BUICK
CENTURY CUSTOM | | | 2-dr
colonnade hardtop coupe | | 112" | | 350ci V8 2bbl 145hp | | | | 435 | | 1450 | | 4350 | | 5800 | | 8700 | | 13050 | | |
| | J29 | | 1975 | | BUICK CENTURY REGAL | | | 4-dr colonnade hardtop sedan | | 116" | | 350ci V8 2bbl 145hp | | | | 315 | | 1050 | | 3150 | | 4200 | | 6300 | | 9450 | | |
| | J57 | | 1975 | | BUICK
CENTURY REGAL | | | 2-dr
colonnade hardtop coupe | | 112" | | 350ci V8 2bbl 145hp | | | | 465 | | 1550 | | 4650 | | 6200 | | 9300 | | 13950 | | |
| | D37 | | 1975 | | BUICK CENTURY GRAN SPORT | | | 2-dr colonnade hardtop coupe | | 112" | | 350ci V8 2bbl 145hp | | | | 555 | | 1850 | | 5550 | | 7400 | | 11100 | | 16650 | | |
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| | D29 | | 1975 | | BUICK CENTURY 350 | | | 4-dr colonnade hardtop sedan | | 116" | | 350ci V8 4bbl 165hp | | | | 270 | | 900 | | 2700 | | 3600 | | 5400 | | 8100 | | |
| | D37 | | 1975 | | BUICK
CENTURY 350 | | | 2-dr colonnade
hardtop coupe | | 112" | | 350ci V8 4bbl 165hp | | | | 420 | | 1400 | | 4200 | | 5600 | | 8400 | | 12600 | | |
R | | F35 | | 1975 | | BUICK CENTURY 350 | | | 4-dr 2s station wagon | | 116" | | 350ci V8 4bbl 165hp | | | | 330 | | 1100 | | 3300 | | 4400 | | 6600 | | 9900 | | |
R | | F45 | | 1975 | | BUICK CENTURY 350 | | | 4-dr 3s station wagon | | 116" | | 350ci V8 4bbl 165hp | | | | 345 | | 1150 | | 3450 | | 4600 | | 6900 | | 10350 | | |
| | H29 | | 1975 | | BUICK
CENTURY CUSTOM | | | 4-dr
colonnade hardtop sedan | | 116" | | 350ci V8 4bbl 165hp | | | | 300 | | 1000 | | 3000 | | 4000 | | 6000 | | 9000 | | |
| | H57 | | 1975 | | BUICK CENTURY CUSTOM | | | 2-dr colonnade hardtop coupe | | 112" | | 350ci V8 4bbl 165hp | | | | 450 | | 1500 | | 4500 | | 6000 | | 9000 | | 13500 | | |
R | | K35 | | 1975 | | BUICK CENTURY CUSTOM | | | 4-dr 2s station wagon | | 116" | | 350ci
V8 4bbl 165hp | | | | 360 | | 1200 | | 3600 | | 4800 | | 7200 | | 10800 | | |
R | | K45 | | 1975 | | BUICK
CENTURY CUSTOM | | | 4-dr
3s station wagon | | 116" | | 350ci V8 4bbl 165hp | | | | 375 | | 1250 | | 3750 | | 5000 | | 7500 | | 11250 | | |
| | J29 | | 1975 | | BUICK CENTURY REGAL | | | 4-dr colonnade hardtop sedan | | 116" | | 350ci V8 4bbl 165hp | | | | 330 | | 1100 | | 3300 | | 4400 | | 6600 | | 9900 | | |
| | J57 | | 1975 | | BUICK
CENTURY REGAL | | | 2-dr
colonnade hardtop coupe | | 112" | | 350ci V8 4bbl 165hp | | | | 480 | | 1600 | | 4800 | | 6400 | | 9600 | | 14400 | | |
| | D37 | | 1975 | | BUICK CENTURY GRAN SPORT | | | 2-dr colonnade hardtop coupe | | 112" | | 350ci V8 4bbl 165hp | | | | 570 | | 1900 | | 5700 | | 7600 | | 11400 | | 17100 | | |
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| | D29 | | 1975 | | BUICK CENTURY 350 | | | 4-dr colonnade hardtop sedan | | 116" | | 455ci V8 4bbl 205hp | | | | 435 | | 1450 | | 4350 | | 5800 | | 8700 | | 13050 | | |
| | D37 | | 1975 | | BUICK
CENTURY 350 | | | 2-dr colonnade
hardtop coupe | | 112" | | 455ci V8 4bbl 205hp | | | | 585 | | 1950 | | 5850 | | 7800 | | 11700 | | 17550 | | |
R | | F35 | | 1975 | | BUICK CENTURY 350 | | | 4-dr 2s station wagon | | 116" | | 455ci V8 4bbl 205hp | | | | 495 | | 1650 | | 4950 | | 6600 | | 9900 | | 14850 | | |
R | | F45 | | 1975 | | BUICK CENTURY 350 | | | 4-dr 3s station wagon | | 116" | | 455ci V8 4bbl 205hp | | | | 510 | | 1700 | | 5100 | | 6800 | | 10200 | | 15300 | | |
| | H29 | | 1975 | | BUICK
CENTURY CUSTOM | | | 4-dr
colonnade hardtop sedan | | 116" | | 455ci V8 4bbl 205hp | | | | 465 | | 1550 | | 4650 | | 6200 | | 9300 | | 13950 | | |
| | H57 | | 1975 | | BUICK CENTURY CUSTOM | | | 2-dr colonnade hardtop coupe | | 112" | | 455ci V8 4bbl 205hp | | | | 615 | | 2050 | | 6150 | | 8200 | | 12300 | | 18450 | | |
R | | K35 | | 1975 | | BUICK CENTURY CUSTOM | | | 4-dr 2s station wagon | | 116" | | 455ci
V8 4bbl 205hp | | | | 525 | | 1750 | | 5250 | | 7000 | | 10500 | | 15750 | | |
R | | K45 | | 1975 | | BUICK
CENTURY CUSTOM | | | 4-dr
3s station wagon | | 116" | | 455ci V8 4bbl 205hp | | | | 540 | | 1800 | | 5400 | | 7200 | | 10800 | | 16200 | | |
| | J29 | | 1975 | | BUICK CENTURY REGAL | | | 4-dr colonnade hardtop sedan | | 116" | | 455ci V8 4bbl 205hp | | | | 495 | | 1650 | | 4950 | | 6600 | | 9900 | | 14850 | | |
| | J57 | | 1975 | | BUICK
CENTURY REGAL | | | 2-dr
colonnade hardtop coupe | | 112" | | 455ci V8 4bbl 205hp | | | | 645 | | 2150 | | 6450 | | 8600 | | 12900 | | 19350 | | |
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VR | | H57 | | 1975 | | BUICK
CENTURY CUSTOM PACE CAR | | | 2-dr
colonnade hardtop coupe | | 112" | | 350ci V8 4bbl 205hp | | 400-1800? | | 750 | | 2500 | | 7500 | | 10000 | | 15000 | | 22500 | | |
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VR | | D37 | | 1975 | | BUICK
CENTURY GRAN SPORT 455 STAGE 1 | | | 2-dr colonnade hardtop coupe | | 112" | | Stage 1 455ci V8 4bbl 245hp | | ? | | 885 | | 2950 | | 8850 | | 11800 | | 17700 | | 26550 | | |
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ER | | H57 | | 1975 | | BUICK
CENTURY CUSTOM PACE CAR | | | 2-dr
colonnade hardtop coupe | | 112" | | Stage 1 455ci V8 4bbl 325hp | | 2 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | |
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| | | | | | PRODUCTION TOTALS FOR SELECT MODELS: | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 1975
BUICK CENTURY SPECIAL 2-dr colonnade hardtop coupe | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY 4-dr colonnade hardtop sedan | | | | | | | | | 22075 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY 2-dr colonnade hardtop coupe | | | | | | | | | 39556 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY 350 4-dr station wagon | | | | | | | | | 4416 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY CUSTOM 2-dr colonnade hardtop coupe | | | | | | | | | 32966 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY CUSTOM 4-dr colonnade hardtop sedan | | | | | | | | | 9995 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY LUXUS 4-dr station wagon | | | | | | | | | 6791 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY GRAN SPORT 2-dr colonnade
hardtop coupe | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 1975
BUICK CENTURY REGAL 2-dr colonnade hardtop coupe | | | | | | | | | 56656 | | | | | | | | | | | | | | |
| | | | | | 1975 BUICK CENTURY REGAL 4-dr colonnade hardtop sedan | | | | | | | | | 10726 | | | | | | | | | | | | | | |
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| | | | | | ADDS AND DEDUCTS: | | | | | | | | | | | S | | 2 | | 4 | | 6 | | 8 | | 10 | | 1975 |
| | | | | | ADD FOR BUCKET SEATS | | | | | | | | | | | 30 | | 100 | | 300 | | 400 | | 600 | | 900 | | |
| | | | | | ADD FOR FACTORY STYLED WHEELS | | | | | | | | | | | 45 | | 150 | | 450 | | 600 | | 900 | | 1350 | | |
| | | | | | ADD FOR FACTORY FINNED OR WIRE WHEEL COVERS | | | | | | | | | | | 30 | | 100 | | 300 | | 400 | | 600 | | 900 | | |
| | | | | | ADD FOR FACTORY SUNROOF | | | | | | | | | | | 60 | | 200 | | 600 | | 800 | | 1200 | | 1800 | | |
| | | | | | ADD FOR FACTORY VINYL ROOF | | | | | | | | | | | 30 | | 100 | | 300 | | 400 | | 600 | | 900 | | |
| | | | | | ADD FOR LUGGAGE RACK (station wagon) | | | | | | | | | | | 15 | | 50 | | 150 | | 200 | | 300 | | 450 | | |
| | | | | | ADD FOR POWER SEATS | | | | | | | | | | | 15 | | 50 | | 150 | | 200 | | 300 | | 450 | | |
| | | | | | ADD FOR POWER WINDOWS | | | | | | | | | | | 15 | | 50 | | 150 | | 200 | | 300 | | 450 | | |
| | | | | | ADD FOR WOOD GRAIN TRIM STATION WAGONS | | | | | | | | | | | 15 | | 50 | | 150 | | 200 | | 300 | | 450 | | |
| | | | | | DEDUCT FOR NON-FACTORY CUSTOM WHEELS | | | | | | | | | | | 45 | | 150 | | 450 | | 600 | | 900 | | 1350 | | |
| | | | | | DEDUCT WITHOUT FACTORY AIR CONDITIONING | | | | | | | | | | | 45 | | 150 | | 450 | | 600 | | 900 | | 1350 | | |
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