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1978 Oldsmobile Cutlass Supreme Catalog and Classic Car Guide, Ratings and Features

Image of 1978 Oldsmobile Cutlass Supreme, sourced from www.hemmings.com , Image Link.

Performance Metrics

Performance: +45
Handling: +50
Ride Comfort: +70

Fundamental Metrics

Safety: +55
Maintenance and Upkeep: +75
Restoration Difficulty: +80

Emotional Appeal

Looks: +65
Collectability: +60
Historical Significance: +40

MMP Rating

6.1 /10
Engine Specifications
Engine: 231 cu in (3.8 L) Buick V6, 260 cu in (4.3 L) Oldsmobile V8, 305 cu in (5.0 L) Chevrolet V8, 350 cu in (5.7 L) Oldsmobile V8
Displacement: 231-350 cu in
Horsepower: 105-180 hp
Torque: 185-275 lb-ft
Compression Ratio: 8.0:1 - 8.5:1
Ignition System: Electronic Ignition
Cooling System: Liquid cooled
Performance Specifications
0-60 Time: 10-12 seconds
1/4 Mile Time: 17-19 seconds
Top Speed: 105-115 mph
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed automatic, 4-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: 15-20 mpg
Dimensions and Brakes
Brakes: Front disc, rear drum
Wheelbase: 108.1 inches
Weight: 3,200-3,600 lbs

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

1978 Oldsmobile Cutlass Supreme: A Timeless American Classic

The 1978 Oldsmobile Cutlass Supreme stands as a testament to American automotive craftsmanship. Born from the assembly lines of General Motors, this model year marked a period of transition and refinement for the Cutlass line. With its sleek lines and robust performance, the '78 Cutlass Supreme became a symbol of personal luxury and comfort during an era when the automotive landscape was rapidly changing due to fuel economy concerns and emissions regulations.

One particularly intriguing fact about this model is its unexpected popularity among younger buyers at the time, which helped cement its place in automotive history as a bridge between generations.

Design and Innovation

The exterior styling of the 1978 Oldsmobile Cutlass Supreme exudes a certain muscular elegance. Its long hood, short deck profile, and distinctive split grille design were hallmarks of its era. Inside, occupants were greeted with a spacious cabin adorned with plush seating and woodgrain accents that spoke to the vehicle's upscale aspirations. The quality of materials—from the soft-touch surfaces to the durable upholstery—reflected Oldsmobile's commitment to comfort and durability.

For its time, the Cutlass Supreme featured an array of technological advancements including optional power windows and locks, air conditioning, and even a tilt-steering wheel for enhanced driver comfort. Color options ranged from classic whites and blacks to more vibrant hues like reds and blues, with popular choices often leaning towards earth tones that mirrored the fashion trends of the late '70s.

Body styles included a two-door coupe, four-door sedan, and a station wagon variant. However, it was the coupe—with its sporty silhouette—that became synonymous with the Cutlass Supreme nameplate.

Historical Significance

The 1978 Oldsmobile Cutlass Supreme's impact on automotive design was significant. It helped define what an American mid-size car could be: stylish yet practical, luxurious yet affordable. Its success on the market set benchmarks for competitors and influenced design trends well into the 1980s.

Performance and Handling

Performance-wise, the '78 Cutlass Supreme offered a range of engine options, with the most powerful being a 5.7-liter V8 that propelled it to respectable speeds for its class. Acceleration from 0-60 mph was achieved in a leisurely but smooth manner, typical for cars prioritizing comfort over outright speed.

On various driving conditions, drivers could expect a compliant ride quality that absorbed bumps with grace while maintaining composure on windy roads. The driving experience was characterized by a muted engine rumble that reassured rather than excited; it was about cruising in style rather than racing against time.

Ownership Experience

The 1978 Oldsmobile Cutlass Supreme found its niche both as a reliable daily driver and as an occasional show car. Its maintenance needs were generally straightforward, making it accessible for average owners to keep running without excessive costs.

Fun Facts

A fun tidbit about this classic is that certain special editions like the "Hurst/Olds" version are highly sought after by enthusiasts for their unique trim and performance upgrades. Celebrity ownerships have also added to its allure over time. While some critics may have pointed out its less-than-sporty demeanor compared to European counterparts, its charm lies in its embodiment of American automotive values.

Collector's Information

Today, values for a well-preserved 1978 Oldsmobile Cutlass Supreme can vary widely based on condition, mileage, and originality. Estimates suggest that tens of thousands were produced; however, pristine examples are increasingly rare finds on the collector's market. Prices have shown an appreciation trend as nostalgia fuels demand for classic American cars from this era.

Conclusion

The 1978 Oldsmobile Cutlass Supreme remains an iconic piece of Americana on wheels—a blend of style, comfort, and reliability that continues to captivate enthusiasts worldwide. Whether you're behind the wheel or admiring from afar, this classic car is a testament to an era when driving was as much about the journey as it was about the destination.

1978 Oldsmobile Cutlass Supreme Catalog of Parts

1978 Oldsmobile Cutlass Supreme Shock Absorber Grommet.  1 bottom O.D., 3/4 high-BN 1 1978 Oldsmobile Cutlass Supreme 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

1978 Oldsmobile Cutlass Supreme Hood and cowl seal-CS 13-G 1978 Oldsmobile Cutlass Supreme Hood and cowl seal-CS 13-GHood and cowl seal. Fits '78-'88 GM A-body, A-Special (A-SPEC) and G-body 2-door hardtop coupes with rear wheel drive (RWD). Dual-durometer extrusion with flexible metal core. Easy to install; fits over pinchweld. Replaces OEM# 20255857 and 25505704. Made in the USA. Each.


1978 Oldsmobile Cutlass Supreme Auxiliary T-Top Sealing Strips-ELP 5020-B 1978 Oldsmobile Cutlass Supreme Auxiliary T-Top Sealing Strips-ELP 5020-BAuxiliary T-Top Sealing Strips. For models with factory t-top option. 51" in length per side, adhesive tape backing. Replaces OEM #20139617. Pair

1978 Oldsmobile Cutlass Supreme Molded Door Seals. 2-Door Coupe-LM 16-JE 1978 Oldsmobile Cutlass Supreme Molded Door Seals. 2-Door Coupe-LM 16-JEMolded Door Seals. 2-Door Coupe. Replaces OEM part numbers 20008188/9. Pair. R&L.

1978 Oldsmobile Cutlass Supreme Lower Door Sill Seal, 78-88 GM G Body 2 Doors, Pair-LM 16-JS 1978 Oldsmobile Cutlass Supreme Lower Door Sill Seal, 78-88 GM G Body 2 Doors, Pair-LM 16-JSLower Door Sill Seal, 78-88 GM G Body 2 Doors, Pair. Replaces OEM # 20376226. These seals fit in between the panel and the lower part of the doors.

1978 Oldsmobile Cutlass Supreme Front molded door seals. For 4-door sedan and wagon-LM 16-S 1978 Oldsmobile Cutlass Supreme Front molded door seals. For 4-door sedan and wagon-LM 16-SFront molded door seals. For 4-door sedan and wagon. Replaces OEM#'s 20008186/7. Pair. R&L.

1978 Oldsmobile Cutlass Supreme Trunk Liner.  Loose weave, jet black.  50 wide-M 30 1978 Oldsmobile Cutlass Supreme Trunk Liner. Loose weave, jet black. 50" wide-M 30Trunk Liner. Loose weave, jet black. 50" wide. Sold by the foot

1978 Oldsmobile Cutlass Supreme Basic kit-RKB 1900-115 1978 Oldsmobile Cutlass Supreme Basic kit-RKB 1900-115Basic kit. '78-'80 Regal, Cutlass Supreme 2-door coupe with T-top roof option. Door (LM 16-JE), T-top to body (TP 5020), T-top side panels (ELP 5020) and trunk (MW00101) seals. 7-piece set.

1978 Oldsmobile Cutlass Supreme Basic kit-RKB 1900-121 1978 Oldsmobile Cutlass Supreme Basic kit-RKB 1900-121Basic kit. '78-'80 Oldsmobile Cutlass Supreme and Cutlass Calais 2-door coupe. Door (LM 16-JE), roof-rail (RR 5020-M) and trunk (MW00101) seals. 5-piece set.

1978 Oldsmobile Cutlass Supreme Brake Master Cylinder Cover Seal.  Replaces OEM #5470861-RP 2-E 1978 Oldsmobile Cutlass Supreme Brake Master Cylinder Cover Seal. Replaces OEM #5470861-RP 2-EBrake Master Cylinder Cover Seal. Replaces OEM #5470861. 5" X 2-1/2". Each



1978 Oldsmobile Cutlass Supreme T-Top to Body Seals.  Fits models with factory T-top option-TP 5020 1978 Oldsmobile Cutlass Supreme T-Top to Body Seals. Fits models with factory T-top option-TP 5020T-Top to Body Seals. Fits models with factory T-top option. Replaces OEM #20211820/20211821. For matching T-Top Side Rail Seals, see ELP 5020. Pair


1978 Oldsmobile Cutlass Supreme Rear Quarter Window Molding Clip.  Made of steel-WF 204 1978 Oldsmobile Cutlass Supreme Rear Quarter Window Molding Clip. Made of steel-WF 204Rear Quarter Window Molding Clip. Made of steel. 3/4" x 1-3/8". Each

1978 Oldsmobile Cutlass Supreme Quarter Window Reveal Molding Clip.  Made of Steel-WF 205 1978 Oldsmobile Cutlass Supreme Quarter Window Reveal Molding Clip. Made of Steel-WF 205Quarter Window Reveal Molding Clip. Made of Steel. 1-3/8" X 11/16". Each

1978 Oldsmobile Cutlass Supreme Windshield Reveal Molding Clip.  Made of steel.  13/16 x 1-WF 209 1978 Oldsmobile Cutlass Supreme Windshield Reveal Molding Clip. Made of steel. 13/16" x 1"-WF 209Windshield Reveal Molding Clip. Made of steel. 13/16" x 1". Each

1978 Oldsmobile Cutlass Supreme Rear Windshield Reveal Molding Clip.  Made of steel-WF 211 1978 Oldsmobile Cutlass Supreme Rear Windshield Reveal Molding Clip. Made of steel-WF 211Rear Windshield Reveal Molding Clip. Made of steel. 15/16" X 3/4". Each

1978 Oldsmobile Cutlass Supreme Lower Side Window Reveal Molding Clip.  Made of nylon-WF 214 1978 Oldsmobile Cutlass Supreme Lower Side Window Reveal Molding Clip. Made of nylon-WF 214Lower Side Window Reveal Molding Clip. Made of nylon. 1-1/4" x 3/4". Each

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For over 100 years, Metro Moulded Parts has been the pinnacle of quality in classic car restoration parts. Our commitment to precision and authenticity in every component ensures a perfect fit and an OEM-level appearance.

  • Expert Craftsmanship & Quality: Each part is a testament to our dedication to reliability and perfection, crafted from original designs and thoroughly tested.
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  • SuperSoft Sponge – The Ultimate Door Seal: Not only are our door seals 30% softer than competitors', but they're also guaranteed to never leak. They effectively reduce wind and road noise, enhancing your classic car's comfort and driving experience.
  • Proudly American: Our parts are a product of American craftsmanship, made in the USA with a spirit of excellence and heritage.
  • Unrivaled Warranty: We back our products with a 30-year industry-leading warranty, a testament to our confidence in their quality.

Join us in preserving the legacy of classic cars with parts that are crafted for perfection, not just made.

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