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1975 Gmc C25 Suburban Catalog and Classic Car Guide, Ratings and Features

Performance Metrics

Performance: +40
Handling: +35
Ride Comfort: +60

Fundamental Metrics

Safety: +45
Maintenance and Upkeep: +70
Restoration Difficulty: +75

Emotional Appeal

Looks: +50
Collectability: +55
Historical Significance: +30

MMP Rating

5.3 /10
Engine Specifications
Engine: 350 V8, 454 V8
Displacement: 5.7L - 7.4L
Horsepower: 145-230 hp (estimated)
Torque: 255-385 lb-ft (estimated)
Compression Ratio: 8.5:1 (350 V8), 8.25:1 (454 V8)
Ignition System: Electronic ignition
Cooling System: Liquid cooled
Performance Specifications
0-60 Time: 12-15 seconds (estimated)
1/4 Mile Time: 18-20 seconds (estimated)
Top Speed: 100-105 mph (estimated)
Transmission and Drive
Drive Type: Rear-wheel drive
Transmission Type: 3-speed automatic, 4-speed manual
Fuel and Efficiency
Fuel System Type: Carburetor
MPG: 10-12 mpg (estimated)
Dimensions and Brakes
Brakes: Front disc, rear drum
Wheelbase: 129.5 inches
Weight: 4,500-5,000 lbs

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

A Stalwart of the Seventies: The 1975 GMC C25 Suburban

The 1975 GMC C25 Suburban stands as a testament to American automotive robustness and versatility. Born from the assembly lines of General Motors, this full-size SUV was a beacon of practicality and comfort during an era of change. As the quintessential family hauler, the GMC Suburban carved its niche in the heart of the 1970s, a period marked by a shift in consumer preferences due to the oil crisis. One unique fact that sets this vehicle apart is its dual role as both a people mover and a workhorse, capable of towing and off-road adventures long before the term "SUV" became a mainstay in our vernacular.

Design and Innovation

With its boxy silhouette and commanding presence, the 1975 GMC C25 Suburban's exterior styling was unmistakably utilitarian yet charmingly straightforward. Inside, passengers were greeted with a no-nonsense interior that prioritized space and durability over luxury. The quality of materials was designed to withstand the rigors of daily use, from vinyl seats to rugged carpeting. Technologically, it featured innovations like rear air conditioning and heating, a novelty for such a large vehicle at the time. Color options ranged from classic whites and blues to more adventurous hues like Sequoia Green and Medium Red. The most iconic body style was the three-door model, offering a single driver's side door and dual passenger-side doors for easier rear access.

Historical Significance

The '75 Suburban's impact on automotive design is undeniable. It set the standard for future SUVs with its extended wheelbase, which allowed for three rows of seating and ample cargo space. This design philosophy paved the way for modern family vehicles, emphasizing space and utility over pure aesthetics. The Suburban's ability to adapt to various roles, from family trips to commercial use, made it a standout among its peers.

Performance and Handling

Performance-wise, the 1975 GMC C25 Suburban was powered by a range of engines, including a 454 cubic inch V8 that provided enough grunt to tackle any task. While top speed and acceleration were not headline figures for this behemoth, it was the torque and towing capacity that won over owners. Handling was as expected for a vehicle of its size; it was stable on straightaways but required care on winding roads. The driving experience was authentic, with the V8's rumble as a constant companion and a ride that felt reassuringly solid.

Ownership Experience

Owners of the '75 Suburban often used it as a daily driver, appreciating its reliability and straightforward mechanics. Maintenance was generally hassle-free, with parts readily available and repairs simple enough for the average DIY enthusiast. Despite its size, it proved to be surprisingly reliable and enduring.

Fun Facts

The 1975 GMC Suburban has had its share of limelight with appearances in films and even presidential motorcades. Although not known for breaking speed records, it has set benchmarks in endurance and versatility. Criticisms often centered around its fuel consumption—a significant consideration during the fuel crises of the 1970s.

Collector's Information

Today, the 1975 GMC C25 Suburban has found its place among classic car enthusiasts with values varying widely based on condition and originality. While production numbers were substantial, finding one in pristine condition can be challenging. As such, well-maintained models can fetch a premium in the collector's market, with prices ranging from $15,000 to $40,000 or more for exceptional examples.

Conclusion

The 1975 GMC C25 Suburban is more than just a vintage SUV; it's a slice of Americana that represents an era of transition and innovation in automotive history. Its legacy is reflected in every modern SUV that prioritizes space, comfort, and versatility—a true pioneer in its class. For those who own one today, it's not just about transportation; it's about owning a piece of history that continues to resonate with car enthusiasts around the world.

1975 Gmc C25 Suburban Catalog of Parts

1975 GMC C25 Suburban Hood Adjustment Bolt,Nut and Bumper Pair-HA 5-B 1975 GMC C25 Suburban Hood Adjustment Bolt,Nut and Bumper Pair-HA 5-BHood Adjustment Bolt, Nut and Bumper 5/16-18 x 1 1/2 Bolt, 5/16-18 Nut and Bumper 7/8 x 7/16.

1975 GMC C25 Suburban Front Door Seal (Imported).  Fits either side.  148 Long-IS-LM 121 1975 GMC C25 Suburban Front Door Seal (Imported). Fits either side. 148" Long-IS-LM 121Front Door Seal (Imported). Fits either side. 148" Long. Each

1975 GMC C25 Suburban Upper Door Seals, 73-77 GM Full Size Truck and SUV, Pair-LM 121-H 1975 GMC C25 Suburban Upper Door Seals, 73-77 GM Full Size Truck and SUV, Pair-LM 121-HUpper Door Seals, 73-77 GM Full Size Truck and SUV, Pair, R&L. Replaces OEM # 14013791.

1975 GMC C25 Suburban Liftgate Seal, 75-91 GM Suburbans with Liftgate, Each-LM 121-P 1975 GMC C25 Suburban Liftgate Seal, 75-91 GM Suburbans with Liftgate, Each-LM 121-PLiftgate Seal, 75-91 GM Suburbans with Liftgate, Each. Replaces OEM #15594665. This part was designed using the original factory design that consists of the lower clip on seal and upper glass run that are connected as one piece with molded sections.

1975 GMC C25 Suburban Rear Cargo Door Seal. RH (passenger's side)-LM 13-VR/PS 1975 GMC C25 Suburban Rear Cargo Door Seal. RH (passenger's side)-LM 13-VR/PSRear Cargo Door Seal. RH (passenger's side). For full-size vans (1996 early design). Each.Rear Cargo Door Seal. RH (passenger's side). For full-size vans (1996 early design). Each.

1975 GMC C25 Suburban Door Handle Gasket Set Fits 73-87 Chevy and GMC Trucks OEM-Style Molded Lip-MP 806 1975 GMC C25 Suburban Door Handle Gasket Set Fits 73-87 Chevy and GMC Trucks OEM-Style Molded Lip-MP 806Each component is built by factory measurements and specifications for a direct-fit replacement and simple installation, focusing on restored authenticity. The top-tier USA Made construction and materials ensure durability and longevity for a long-lived replacement that will far outlast your factory stock models.

1975 GMC C25 Suburban Quarter Window Seal, 75-91 GM Suburban, Fits Left or Right, With Trim Groove-VQT 1975 1975 GMC C25 Suburban Quarter Window Seal, 75-91 GM Suburban, Fits Left or Right, With Trim Groove-VQT 1975Quarter Window Seal, 75-91 GM Suburban, Fits Left or Right, With Trim Groove, Each. Seal goes first on the body then the glass is placed in the opening. Made from original specs and with high quality ozone resistant EPDM rubber for a great fit and long life. This item is designed to be installed during glass replacement.

1975 GMC C25 Suburban Windshield Seal, 73-87 GM Full Size Truck, 73-91 GM SUV, Without Trim Groove-VWS 7313-D 1975 GMC C25 Suburban Windshield Seal, 73-87 GM Full Size Truck, 73-91 GM SUV, Without Trim Groove-VWS 7313-DThis windshield seal goes on the body first then the glass is placed in the opening. Tucking in the self locking strip secures the glass in place. It is a standard black gasket without trim groove. This product is made from the original specs and with high quality ozone resistant materials for a great fit and long life. This item is designed to be installed during glass replacement.

1975 GMC C25 Suburban Window Channel and Sweeper Kit, for Front Doors-WC 5900-15 1975 GMC C25 Suburban Window Channel and Sweeper Kit, for Front Doors-WC 5900-15Window Channel and Sweeper Kit, for Front Doors. 6-Piece Kit

1975 GMC C25 Suburban Vent Window Seal,73-80 GM Truck and SUV, Set of Four-WR 2005-B 1975 GMC C25 Suburban Vent Window Seal,73-80 GM Truck and SUV, Set of Four-WR 2005-BThis 4 piece set replaces both the main driver and passenger door vent window seals and the rear division channel seals as well. Made from high quality ozone resistant EPDM rubber from the original specs for a great fit and long life.

Why Choose Metro?

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.
  • Advanced Technology: We use cutting-edge techniques to create flawless, long-lasting parts that surpass others in performance.
  • 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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