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1946 Pontiac Streamliner Catalog and Classic Car Guide, Ratings and Features

Image of 1946 Pontiac Streamliner, sourced from www.classic.com , Image Link.

Performance Metrics

Performance: +30
Handling: +35
Ride Comfort: +60

Fundamental Metrics

Safety: +20
Maintenance and Upkeep: +40
Restoration Difficulty: +50

Emotional Appeal

Looks: +70
Collectability: +65
Historical Significance: +55

MMP Rating

6 /10
Engine Specifications
Engine: Straight-6
Displacement: 239.2 cu in (3.9 L)
Horsepower: Estimated 90 hp
Torque: Not available
Compression Ratio: Not available
Ignition System: Battery and coil
Cooling System: Water-cooled
Performance Specifications
0-60 Time: Not available
1/4 Mile Time: Not available
Top Speed: Estimated 75 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: Not available
Dimensions and Brakes
Brakes: Hydraulic drum brakes
Wheelbase: 119 inches
Weight: 3,400 lbs

Note: Specifications for classic cars are given to the best of our ability, considering the limited and variant data available.

Introduction

The 1946 Pontiac Streamliner is a testament to post-war American optimism and the resurgence of the automotive industry. As the first full production year after World War II, this vehicle marked a significant milestone for Pontiac, a division of General Motors known for its innovative designs and reliable engineering. The Streamliner was not just a car; it was a symbol of America's return to peacetime prosperity and the open road. A notable moment in its history is its role in transitioning car design from the pre-war era to the new age of automobile aesthetics, setting the stage for the sleeker and more streamlined vehicles that would follow.

Design and Innovation

The exterior of the 1946 Pontiac Streamliner was a sight to behold, with its torpedo-like body shape that truly embodied the 'streamlined' moniker. Its chrome-trimmed grille, along with the elegant fender lines, gave it an air of sophistication that was highly sought after in the immediate post-war period. Inside, passengers were treated to a cabin that prioritized comfort and style, with high-quality fabrics and an attention to detail that was second to none at the time. Technologically, it boasted features such as an optional Hydra-Matic automatic transmission—a rarity for its era. The color palette included options like Normandy Green and Black, with popular choices often reflecting a sense of elegance and understatement. Body styles ranged from sedans to coupes, but it was perhaps the sleek station wagon that became most iconic among them.

Historical Significance

The Streamliner's impact on automotive design cannot be overstated. It helped bridge the gap between pre-war conservatism and post-war modernity in car design. With its aerodynamic profile and advanced features for its time, it set itself apart from contemporaries who were slower to shed their pre-war design language. Its influence can be seen in subsequent models across various manufacturers who began adopting similar styling cues.

Performance and Handling

Underneath its stylish exterior, the 1946 Pontiac Streamliner was powered by either a robust inline-six or an optional straight-eight engine. While top speeds and acceleration figures might not impress by today's standards, for its time, it provided ample performance. Handling was characterized by a smooth ride quality that absorbed bumps with grace—a feature that made long drives enjoyable during an era when road conditions were less than ideal. Drivers often praised the vehicle for its quiet engine operation and comfortable cruising capabilities.

Ownership Experience

The Streamliner served many roles—from a dependable family car to a status symbol for Sunday drives. Its reliability was one of its strong suits, making maintenance straightforward for most owners. However, as with any vintage vehicle today, keeping a Streamliner in top condition requires dedication and sometimes sourcing scarce parts.

Fun Facts

A lesser-known fact about the 1946 Pontiac Streamliner is that it occasionally found itself in the hands of Hollywood celebrities who appreciated its blend of luxury and understated style. Though not known for breaking speed records, it held its own as a sales success in post-war America. Criticisms were few but did include remarks about its size—considered large even by standards of the day.

Collector's Information

Today, the 1946 Pontiac Streamliner has found a special place in the hearts of classic car collectors. While production numbers were not as meticulously recorded as they are today, estimates suggest that thousands were produced across all body styles. Its value range can vary significantly based on condition, originality, and model type but generally falls between $15,000 to $50,000 or more for pristine examples or rarer body styles like convertibles or woodies. As appreciation for post-war classics grows, so too does the value of well-preserved Streamliners.

Conclusion

The 1946 Pontiac Streamliner stands as an icon of American automotive history—a beacon of progress during a transformative period. With its blend of style, innovation, and comfort, it captured the imagination of post-war drivers and continues to captivate classic car enthusiasts today. As we look back on this remarkable vehicle's legacy, we're reminded of how far we've come—and where we're headed—on our endless journey down the open road.

1946 Pontiac Streamliner Catalog of Parts


1946 Pontiac Streamliner Transmission Vacuum Shift Grommet.  Used on rear side-BC 40 1946 Pontiac Streamliner Transmission Vacuum Shift Grommet. Used on rear side-BC 40Transmission Vacuum Shift Grommet. Used on rear side. 1-1/2" O.D., 3/8" I.D., 3/8" Thick. Each

1946 Pontiac Streamliner Lower Inner A Frame Shaft Seal.  1-1/8 O.D., 5/16 thick-BN 23-A 1946 Pontiac Streamliner Lower Inner "A" Frame Shaft Seal. 1-1/8" O.D., 5/16" thick-BN 23-ALower Inner "A" Frame Shaft Seal. 1-1/8" O.D., 5/16" thick. Each

1946 Pontiac Streamliner Shock Absorber Grommet.  1-15/16 bottom O.D-BN 5 1946 Pontiac Streamliner Shock Absorber Grommet. 1-15/16" bottom O.D-BN 5Shock Absorber Grommet. 1-15/16" bottom O.D., 1" high, with 3/8" I.D. Each


1946 Pontiac Streamliner Cowl and Hood Seal.  Push-in tabs, like original-CS 8 1946 Pontiac Streamliner Cowl and Hood Seal. Push-in tabs, like original-CS 8Cowl and Hood Seal. Push-in tabs, like original. 78" length finished. Each

1946 Pontiac Streamliner Door Side Bumper-DB 42 1946 Pontiac Streamliner Door Side Bumper-DB 42Door Side Bumper. Each bumper has four screws and steel core like original. 1-5/8" high X 1-13/16" X 5/32" thick. Pair

1946 Pontiac Streamliner Upper Door Hinge Post Bumper.  Held by screw-DB 60-A 1946 Pontiac Streamliner Upper Door Hinge Post Bumper. Held by screw-DB 60-AUpper Door Hinge Post Bumper. Held by screw. 7/8" diameter X 1/8" thick. Each

1946 Pontiac Streamliner Windshield Center Bar Outer Gasket Molding Retainer-DP 10 1946 Pontiac Streamliner Windshield Center Bar Outer Gasket Molding Retainer-DP 10Windshield Center Bar Outer Gasket Molding Retainer. Use with original steel to retain stainless steel trim to the windshield. 18 in. long. Each.

1946 Pontiac Streamliner Windshield Center Bar Gasket-DP 11 1946 Pontiac Streamliner Windshield Center Bar Gasket-DP 11Windshield Center Bar Gasket. This seal is make with all the original

1946 Pontiac Streamliner Auxiliary Door Seals-ELP 2000 1946 Pontiac Streamliner Auxiliary Door Seals-ELP 2000Auxiliary Door Seals. Weatherstrip for lower front corner of front door. Pair R&L

1946 Pontiac Streamliner Auxiliary door seals-ELP 2001 1946 Pontiac Streamliner Auxiliary door seals-ELP 2001Auxiliary door seals. Weatherstrip for rear corners of front door. (Used for front and rear corners of rear door on some models). 5-1/2 in. 4 in. Pair. R&L.

1946 Pontiac Streamliner Door, Hood and Trunk Bumper Cap for adjustment bolt-HA 5 1946 Pontiac Streamliner Door, Hood and Trunk Bumper Cap for adjustment bolt-HA 5Door, Hood and Trunk Bumper Cap for adjustment bolt. 7/8" diameter X 7/16" thick. Each



1946 Pontiac Streamliner Windshield and Rear Window Channel.  Used with 1/4 glass-LP 105 1946 Pontiac Streamliner Windshield and Rear Window Channel. Used with 1/4" glass-LP 105Windshield and Rear Window Channel. Used with 1/4" glass. Fits some models. Sold by the foot

1946 Pontiac Streamliner Windshield Pinchweld Seal for some models w/chrome garnish-LP 106 1946 Pontiac Streamliner Windshield Pinchweld Seal for some models w/chrome garnish-LP 106Windshield Pinchweld Seal for some models w/chrome garnish. Used with LP 105, DP 10 & DP 11 (center division bar seals)to seal and retain outer chrome garnish. Sold by the foot

1946 Pontiac Streamliner Door side seal. Same as LP 40-A, but for a heavier seal-LP 40 1946 Pontiac Streamliner Door side seal. Same as LP 40-A, but for a heavier seal-LP 40Door side seal. Same as LP 40-A, but for a heavier seal. Fits many domestic passenger cars and trucks. Used in Cobra kit cars as trunk weatherstrip. Per foot.

1946 Pontiac Streamliner Door side seal. Same as LP 40, but for a lighter seal-LP 40-A 1946 Pontiac Streamliner Door side seal. Same as LP 40, but for a lighter seal-LP 40-ADoor side seal. Same as LP 40, but for a lighter seal. Fits many domestic passenger cars and trucks. Universal seal for street rods and customs. Used in Cobra kit cars as door weatherstrip. Per foot.

1946 Pontiac Streamliner HYDRAMATIC TRANSMISSION LIP SL-LS 1 1946 Pontiac Streamliner HYDRAMATIC TRANSMISSION LIP SL-LS 1HYDRAMATIC TRANSMISSION LIP SL, CADILLAC OLDSMOBILE PONTIAC HUDSON NASH LINC KAISER '46-54, SET

1946 Pontiac Streamliner Door Lock Knob.  Made of Black rubber, self-threading-RP 304-A 1946 Pontiac Streamliner Door Lock Knob. Made of Black rubber, self-threading-RP 304-ADoor Lock Knob. Made of Black rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Slate Blue rubber, self-threading-RP 304-C 1946 Pontiac Streamliner Door Lock Knob. Made of Slate Blue rubber, self-threading-RP 304-CDoor Lock Knob. Made of Slate Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Navy Blue rubber, self-threading-RP 304-D 1946 Pontiac Streamliner Door Lock Knob. Made of Navy Blue rubber, self-threading-RP 304-DDoor Lock Knob. Made of Navy Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Silver Blue rubber, self-threading-RP 304-E 1946 Pontiac Streamliner Door Lock Knob. Made of Silver Blue rubber, self-threading-RP 304-EDoor Lock Knob. Made of Silver Blue rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Fawn colored rubber, self-threading-RP 304-F 1946 Pontiac Streamliner Door Lock Knob. Made of Fawn colored rubber, self-threading-RP 304-FDoor Lock Knob. Made of Fawn colored rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Olive Green rubber, self-threading-RP 304-G 1946 Pontiac Streamliner Door Lock Knob. Made of Olive Green rubber, self-threading-RP 304-GDoor Lock Knob. Made of Olive Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Yellow rubber, self-threading-RP 304-H 1946 Pontiac Streamliner Door Lock Knob. Made of Yellow rubber, self-threading-RP 304-HDoor Lock Knob. Made of Yellow rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of White rubber, self-threading-RP 304-I 1946 Pontiac Streamliner Door Lock Knob. Made of White rubber, self-threading-RP 304-IDoor Lock Knob. Made of White rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Silver rubber, self-threading-RP 304-J 1946 Pontiac Streamliner Door Lock Knob. Made of Silver rubber, self-threading-RP 304-JDoor Lock Knob. Made of Silver rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Medium Brown rubber, self-threading-RP 304-K 1946 Pontiac Streamliner Door Lock Knob. Made of Medium Brown rubber, self-threading-RP 304-KDoor Lock Knob. Made of Medium Brown rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Wedgwood rubber, self-threading-RP 304-L 1946 Pontiac Streamliner Door Lock Knob. Made of Wedgwood rubber, self-threading-RP 304-LDoor Lock Knob. Made of Wedgwood rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Teal Green rubber, self-threading-RP 304-M 1946 Pontiac Streamliner Door Lock Knob. Made of Teal Green rubber, self-threading-RP 304-MDoor Lock Knob. Made of Teal Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Moss Green rubber, self-threading-RP 304-N 1946 Pontiac Streamliner Door Lock Knob. Made of Moss Green rubber, self-threading-RP 304-NDoor Lock Knob. Made of Moss Green rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Door Lock Knob.  Made of Ember glow rubber, self-threading-RP 304-O 1946 Pontiac Streamliner Door Lock Knob. Made of Ember glow rubber, self-threading-RP 304-ODoor Lock Knob. Made of Ember glow rubber, self-threading. 1-3/8" tall with 1/8" lower I.D., 3/8" lower O.D. Each

1946 Pontiac Streamliner Hydro-Electric Power Unit Mounting Cushion-RP 700 1946 Pontiac Streamliner Hydro-Electric Power Unit Mounting Cushion-RP 700Hydro-Electric Power Unit Mounting Cushion. Two to three used per car. 1" O.D. X 3/4" high rubber with 1/4 x 20 x 3/4" Studs. Replaces OEM #4149788. Each




1946 Pontiac Streamliner Front Door Window Adjustment Bumper Cushion-SB 70 1946 Pontiac Streamliner Front Door Window Adjustment Bumper Cushion-SB 70Front Door Window Adjustment Bumper Cushion. For "T" bolt in door. Four to six used per car. 11/16" X 1/4". Each

1946 Pontiac Streamliner Speedometer Cable / Utility Grommet-SM 2 1946 Pontiac Streamliner Speedometer Cable / Utility Grommet-SM 2Speedometer Cable / Utility Grommet. Fits 3/4" to 13/16" hole. 3/16" center hole. Each


1946 Pontiac Streamliner Special Purpose Grommet-SM 4 1946 Pontiac Streamliner Special Purpose Grommet-SM 4Special Purpose Grommet. For firewall, fuel gauge wire, horn wire, hood latch cable and fresh air cable. Fits 1/2" hole. 1/8" center hole. Each

1946 Pontiac Streamliner Speedometer Cable Firewall Grommet.  Fits 1-7/8 long hole-SM 47 1946 Pontiac Streamliner Speedometer Cable Firewall Grommet. Fits 1-7/8" long hole-SM 47Speedometer Cable Firewall Grommet. Fits 1-7/8" long hole. NOTE: Not used when car was factory equipped with windshield washers. (Fits some models) Each


1946 Pontiac Streamliner Choke Cable Grommet.  Fits 5/8 hole.  1/8 center hole-SM 62 1946 Pontiac Streamliner Choke Cable Grommet. Fits 5/8" hole. 1/8" center hole-SM 62Choke Cable Grommet. Fits 5/8" hole. 1/8" center hole. Each

1946 Pontiac Streamliner Radio Fuse Boot and Wire Harness.  For original radio only-SM 65-A 1946 Pontiac Streamliner Radio Fuse Boot and Wire Harness. For original radio only-SM 65-ARadio Fuse Boot and Wire Harness. For original radio only. Each


1946 Pontiac Streamliner Special Purpose Grommet-SM 68 1946 Pontiac Streamliner Special Purpose Grommet-SM 68Special Purpose Grommet. For headlight wire loom through body. Each

1946 Pontiac Streamliner Firewall and Utility Grommet.  Fits 3/4 hole.  3/16 I.D-SM 8 1946 Pontiac Streamliner Firewall and Utility Grommet. Fits 3/4" hole. 3/16" I.D-SM 8Firewall and Utility Grommet. Fits 3/4" hole. 3/16" I.D. Each




1946 Pontiac Streamliner Vulcanized Rear Window Seal-VWS 7304-R 1946 Pontiac Streamliner Vulcanized Rear Window Seal-VWS 7304-RVulcanized Rear Window Seal. For cars without chrome garnish. Each


1946 Pontiac Streamliner Flexible glass-run channel-WC 11-72 1946 Pontiac Streamliner Flexible glass-run channel-WC 11-72Flexible glass-run channel. Mohair lined, cloth covered with stainless steel bead. Used on side windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned in two equal lengths to reduce overseas shipping costs.

1946 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-72 1946 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-72Rigid division-bar channel. Made with Zinc-plated bead. Used on lower side windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1946 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-96 1946 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-96Rigid division-bar channel. Made with Zinc-plated bead. Used on lower side windows. 96 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned in two or three equal lengths to reduce overseas shipping costs.

1946 Pontiac Streamliner Rigid division-bar channel. Made with stainless steel bead-WC 2-72 1946 Pontiac Streamliner Rigid division-bar channel. Made with stainless steel bead-WC 2-72Rigid division-bar channel. Made with stainless steel bead. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1946 Pontiac Streamliner Flexible sweeper. Made with stainless steel bead-WC 8-72 1946 Pontiac Streamliner Flexible sweeper. Made with stainless steel bead-WC 8-72Flexible sweeper. Made with stainless steel bead. Used on inner and outer beltlines. Also forms easily for use with sliding quarter windows. 72 in. long. Each. NOTE: $20 special shipping charge applies for domestic orders. Call or email for overseas shipping costs. Part can be sectioned into two equal lengths to reduce overseas shipping costs.

1946 Pontiac Streamliner Fender Bolts.  For use with Fender Bolt Washers; WF 3001-WF 3000 1946 Pontiac Streamliner Fender Bolts. For use with Fender Bolt Washers; WF 3001-WF 3000Fender Bolts. For use with Fender Bolt Washers; WF 3001. Zinc Chromate plated, high strength. 1" X 5/16". Set of 25

1946 Pontiac Streamliner Fender Bolt Washers.  For use with Fender Bolts; WF 3000-WF 3001 1946 Pontiac Streamliner Fender Bolt Washers. For use with Fender Bolts; WF 3000-WF 3001Fender Bolt Washers. For use with Fender Bolts; WF 3000. High quality, cadmium plated. 1-1/4" O.D., 3/8" I.D. Set of 25





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