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1948 Pontiac Streamliner Catalog and Classic Car Guide, Ratings and Features

Image of 1948 Pontiac Streamliner, sourced from en.m.wikipedia.org , Image Link.

Performance Metrics

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

Fundamental Metrics

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

Emotional Appeal

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

MMP Rating

5.8 /10
Engine Specifications
Engine: Straight-8
Displacement: 248.9 cu in (4.1 L)
Horsepower: 104 hp
Torque: 200 lb-ft
Compression Ratio: 6.5:1
Ignition System: Battery and coil
Cooling System: Liquid-cooled
Performance Specifications
0-60 Time: Estimated 15 seconds
1/4 Mile Time: Not available
Top Speed: 90 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: Estimated 15-20 mpg
Dimensions and Brakes
Brakes: Drum brakes
Wheelbase: 119 inches
Weight: 3,500 lbs

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

Unveiling the Elegance of the 1948 Pontiac Streamliner

The 1948 Pontiac Streamliner is a rolling testament to post-war American optimism and ingenuity. Born from the storied assembly lines of General Motors, this vehicle emerged as a symbol of the era's burgeoning automotive landscape. The Streamliner's sleek lines and robust engineering were a beacon of modernity in a world rapidly transitioning from the austerity of wartime to the prosperity of peacetime. A particularly intriguing fact about this car is its seamless blend of luxury and practicality, which made it a favorite among the discerning motorists of its time.

Design and Innovation: A Symphony of Chrome and Steel

The Streamliner's exterior was a masterclass in aerodynamic design, with curves that seemed to slice through the air. Its chrome grille, accented by torpedo-like headlights, exuded an aura of power and grace. Inside, passengers were cradled in a cabin that showcased high-quality fabrics and an attention to detail that was second to none. The dashboard was an art deco masterpiece, featuring gauges and controls that were as functional as they were beautiful. Color options ranged from stately hues to vibrant tones, with popular choices reflecting the exuberance of the era. Body styles included sedans, coupes, and station wagons, but it was the sleek fastback sedan that captured hearts and imaginations.

Historical Significance: Setting the Pace for Future Generations

The 1948 Pontiac Streamliner didn't just turn heads—it turned the tide in automotive design. Its forward-thinking features set it apart from contemporaries and laid down a marker for future innovation. The integration of pontoon fenders into the bodywork was a bold move that influenced car designs for years to come.

Performance and Handling: A Smooth Operator on Any Road

Underneath its stylish exterior, the Streamliner boasted performance that was impressive for its time. Though not designed as a sports car, it delivered respectable top speeds and could accelerate from 0-60 mph with enough gusto to put a smile on any driver's face. The ride quality was smooth, absorbing bumps with ease while maintaining composure on windy roads. Behind the wheel, drivers enjoyed a symphony of mechanical harmony as the inline-eight or straight-six engine hummed its tune.

Ownership Experience: More Than Just a Pretty Face

The 1948 Pontiac Streamliner found its niche among various owners—serving as a reliable daily driver, an attention-grabbing show car, or even taking part in amateur racing events. Maintenance was straightforward for the mechanically inclined owner, with parts being relatively easy to source due to GM's widespread production network.

Fun Facts: The Streamliner's Storied Legacy

This classic has its share of trivia; rare editions like the wood-bodied wagons are highly sought after by collectors. Celebrity associations have also added to its allure over time. While no specific records are held by this model, it remains an enduring piece of Americana with appearances in numerous films and television shows.

Collector's Information: A Prize for Any Garage

Today, the value range for a well-maintained 1948 Pontiac Streamliner can vary widely based on condition and originality. Estimates suggest that thousands were produced across all body styles; however, survivors in pristine condition are increasingly rare. Price trends indicate appreciation for this classic gem as nostalgia fuels collector interest.

Conclusion: A Timeless Classic That Continues to Captivate

The 1948 Pontiac Streamliner stands as a monument to an era when cars were more than just transportation—they were statements of style and technological ambition. Its lasting influence on automotive design is undeniable, making it a cherished classic that continues to captivate enthusiasts around the world.

1948 Pontiac Streamliner Catalog of Parts


1948 Pontiac Streamliner Transmission Vacuum Shift Grommet.  Used on rear side-BC 40 1948 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

1948 Pontiac Streamliner Shock Absorber Grommet.  1 bottom O.D., 3/4 high-BN 1 1948 Pontiac Streamliner Shock Absorber Grommet. 1" bottom O.D., 3/4" high-BN 1Shock Absorber Grommet. 1" bottom O.D., 3/4" high., with 7/16" I.D. Each

1948 Pontiac Streamliner Lower Inner A Frame Shaft Seal.  1-1/8 O.D., 5/16 thick-BN 23-A 1948 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

1948 Pontiac Streamliner Shock Absorber Grommet.  1-15/16 bottom O.D-BN 5 1948 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


1948 Pontiac Streamliner Cowl and Hood Seal.  Push-in tabs, like original-CS 8 1948 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

1948 Pontiac Streamliner Door Side Bumper-DB 42 1948 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

1948 Pontiac Streamliner Upper Door Hinge Post Bumper.  Held by screw-DB 60-A 1948 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

1948 Pontiac Streamliner Windshield Center Bar Outer Gasket Molding Retainer-DP 10 1948 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.

1948 Pontiac Streamliner Windshield Center Bar Gasket-DP 11 1948 Pontiac Streamliner Windshield Center Bar Gasket-DP 11Windshield Center Bar Gasket. This seal is make with all the original

1948 Pontiac Streamliner Auxiliary Door Seals-ELP 2000 1948 Pontiac Streamliner Auxiliary Door Seals-ELP 2000Auxiliary Door Seals. Weatherstrip for lower front corner of front door. Pair R&L

1948 Pontiac Streamliner Auxiliary door seals-ELP 2001 1948 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.

1948 Pontiac Streamliner Door, Hood and Trunk Bumper Cap for adjustment bolt-HA 5 1948 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



1948 Pontiac Streamliner Windshield and Rear Window Channel.  Used with 1/4 glass-LP 105 1948 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

1948 Pontiac Streamliner Windshield Pinchweld Seal for some models w/chrome garnish-LP 106 1948 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

1948 Pontiac Streamliner Door side seal. Same as LP 40-A, but for a heavier seal-LP 40 1948 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.

1948 Pontiac Streamliner Door side seal. Same as LP 40, but for a lighter seal-LP 40-A 1948 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.

1948 Pontiac Streamliner HYDRAMATIC TRANSMISSION LIP SL-LS 1 1948 Pontiac Streamliner HYDRAMATIC TRANSMISSION LIP SL-LS 1HYDRAMATIC TRANSMISSION LIP SL, CADILLAC OLDSMOBILE PONTIAC HUDSON NASH LINC KAISER '46-54, SET

1948 Pontiac Streamliner Door Lock Knob.  Made of Black rubber, self-threading-RP 304-A 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Slate Blue rubber, self-threading-RP 304-C 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Navy Blue rubber, self-threading-RP 304-D 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Silver Blue rubber, self-threading-RP 304-E 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Fawn colored rubber, self-threading-RP 304-F 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Olive Green rubber, self-threading-RP 304-G 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Yellow rubber, self-threading-RP 304-H 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of White rubber, self-threading-RP 304-I 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Silver rubber, self-threading-RP 304-J 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Medium Brown rubber, self-threading-RP 304-K 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Wedgwood rubber, self-threading-RP 304-L 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Teal Green rubber, self-threading-RP 304-M 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Moss Green rubber, self-threading-RP 304-N 1948 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

1948 Pontiac Streamliner Door Lock Knob.  Made of Ember glow rubber, self-threading-RP 304-O 1948 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

1948 Pontiac Streamliner Hydro-Electric Power Unit Mounting Cushion-RP 700 1948 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



1948 Pontiac Streamliner Front Door Window Adjustment Bumper Cushion-SB 70 1948 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

1948 Pontiac Streamliner Speedometer Cable / Utility Grommet-SM 2 1948 Pontiac Streamliner Speedometer Cable / Utility Grommet-SM 2Speedometer Cable / Utility Grommet. Fits 3/4" to 13/16" hole. 3/16" center hole. Each


1948 Pontiac Streamliner Special Purpose Grommet-SM 4 1948 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

1948 Pontiac Streamliner Speedometer Cable Firewall Grommet.  Fits 1-7/8 long hole-SM 47 1948 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


1948 Pontiac Streamliner Choke Cable Grommet.  Fits 5/8 hole.  1/8 center hole-SM 62 1948 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

1948 Pontiac Streamliner Radio Fuse Boot and Wire Harness.  For original radio only-SM 65-A 1948 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


1948 Pontiac Streamliner Special Purpose Grommet-SM 68 1948 Pontiac Streamliner Special Purpose Grommet-SM 68Special Purpose Grommet. For headlight wire loom through body. Each

1948 Pontiac Streamliner Firewall and Utility Grommet.  Fits 3/4 hole.  3/16 I.D-SM 8 1948 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




1948 Pontiac Streamliner Vulcanized Rear Window Seal-VWS 7304-R 1948 Pontiac Streamliner Vulcanized Rear Window Seal-VWS 7304-RVulcanized Rear Window Seal. For cars without chrome garnish. Each


1948 Pontiac Streamliner Flexible glass-run channel-WC 11-72 1948 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.

1948 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-72 1948 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.

1948 Pontiac Streamliner Rigid division-bar channel. Made with Zinc-plated bead-WC 1-96 1948 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.

1948 Pontiac Streamliner Rigid division-bar channel. Made with stainless steel bead-WC 2-72 1948 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.

1948 Pontiac Streamliner Flexible sweeper. Made with stainless steel bead-WC 8-72 1948 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.

1948 Pontiac Streamliner Fender Bolts.  For use with Fender Bolt Washers; WF 3001-WF 3000 1948 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

1948 Pontiac Streamliner Fender Bolt Washers.  For use with Fender Bolts; WF 3000-WF 3001 1948 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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