Image of 1958 Gmc Pm253, Note: These illustrations use artistic license and may differ from actual historical models.

Engine Specifications
Engine:	Inline 6, V8
Displacement:	235-316 cu in
Horsepower:	130-180 hp
Torque:	210-315 lb-ft
Compression Ratio:	7.5:1 - 8.0:1
Ignition System:	Distributor and coil
Cooling System:	Liquid cooled
Performance Specifications
0-60 Time:	Estimated 15-20 seconds
1/4 Mile Time:	Estimated 20-25 seconds
Top Speed:	75-85 mph
Transmission and Drive
Drive Type:	Rear wheel drive
Transmission Type:	3-speed manual, 4-speed manual, 2-speed automatic
Fuel and Efficiency
Fuel System Type:	Carburetor
MPG:	Estimated 10-15 mpg
Dimensions and Brakes
Brakes:	Drum brakes
Wheelbase:	114-126 inches
Weight:	3500-4500 lbs

1958 GMC PM253: A Blue Chip Workhorse

The 1958 GMC PM253 was built for the hard, unglamorous work that kept farms, businesses, and towns moving. It belongs to GMC’s “Blue Chip” truck generation, the boldly styled 1955–1959 line produced by General Motors Truck and Coach. The PM253 is best understood as a medium-duty commercial chassis, not a trim level of the familiar light-duty GMC pickup. Its exact rating and equipment could vary with the original order and body, so the vehicle’s serial plate is the best source for confirming its specification.

In 1958, American businesses were expanding alongside the postwar highway system, and trucks had to do more than haul a modest load around town. GMC offered a broad range of chassis that could be fitted with bodies for local delivery, construction, agriculture, and municipal work. One intriguing detail about trucks like the PM253 is that the cab was only the beginning: the finished vehicle might have left a body builder’s shop as a stake truck, dump, service vehicle, or another purpose-built machine.

Blue Chip Styling and Cab Details

The 1958 GMC’s front end is its visual calling card. A wide, upright grille, prominent hood, and four-headlamp arrangement give the truck a confident, almost architectural face. The broad fenders and substantial bumper look designed for practical protection, while the rounded cab corners and curved windshield soften the otherwise sturdy profile. Compared with a modern truck, the PM253 is narrow and upright, but its tall stance and long hood make it feel every bit the commercial vehicle.

Inside, expect a functional cab rather than passenger-car luxury. The dash is arranged around clear, straightforward gauges, with a large steering wheel and simple switches that a driver could operate in work clothes. Painted metal, durable upholstery, and rubber floor coverings suited the job better than decorative trim. Equipment varied by order, and surviving trucks may have replacement seats, gauges, or wiring, so originality can be difficult to judge without comparing the cab to period literature and parts catalogs.

GMC offered fleet buyers a choice of factory finishes, while commercial customers often selected colors to match a company, municipality, or farm. Original paint codes should be checked against the truck’s identification and paint documentation rather than assumed from a modern color match. The most iconic look today is often a restored factory-style finish with contrasting grille and trim, though a period-correct work-truck repaint can be just as convincing.

The PM253’s identity is about its chassis and intended duty, not one universally standard body. Depending on the original order, it could be supplied as a chassis cab and fitted with a flatbed, stake body, dump body, box, or specialized commercial equipment. That variety is part of the model’s appeal: two PM253s can share their basic GMC bones yet look like entirely different trucks.

Engineering for the Job

GMC’s Blue Chip trucks combined updated styling with conventional, serviceable mechanicals. A 270-cubic-inch inline-six was a common engine in the period GMC range, valued for its straightforward construction and low-speed pulling character. Heavier chassis and specific orders could have different powertrain equipment, so it is important not to assume every PM253 left the factory with the same engine. Check the engine identification and serial information on the individual truck before ordering parts or treating a published specification as definitive.

Most examples use a traditional layout: a front-mounted engine, rear-wheel drive, a separate frame, and a manual transmission. That arrangement was familiar to mechanics and made the truck adaptable to many body types. In its day, practical innovations were less about electronics and more about carrying capacity, available wheelbases, braking and axle choices, and the ability to tailor a chassis to a particular business.

The 1958 model year also gave GMC trucks a distinctive quad-headlamp front end, helping separate them visually from earlier Blue Chip models. The styling was modern for a working truck, but GMC did not abandon the sturdy, conventional construction that fleet operators expected. That balance of updated appearance and familiar hardware is a key part of the PM253’s period character.

How the PM253 Drives

A PM253 is a working truck, not a performance vehicle, and factory 0–60 mph figures are not commonly published for this exact configuration. With a typical period six-cylinder engine, commercial gearing, and a body or payload, acceleration would be slow by modern standards. A rough real-world estimate is well over 20 seconds to reach 60 mph, and potentially much longer when loaded. Top speed depends heavily on axle ratio, tire size, engine, transmission, and body; around 50–60 mph is a more realistic cruising expectation than sustained high-speed highway travel.

On rough roads, the truck’s substantial frame and work-oriented suspension are built to carry weight, not to isolate an empty cab from every bump. Unloaded, it can feel firm and busy over potholes. On winding roads, its tall stance, long wheelbase, and heavy steering call for measured inputs and generous space. The driver sits upright behind a large wheel, shifts deliberately, and listens to the engine rather than relying on modern driver aids.

The sound is part of the experience: an even, purposeful engine note, gear whine, tire noise, and the occasional creak from an old body or chassis. A properly maintained truck should feel steady and mechanical, not alarming. Still, brakes, steering components, tires, and suspension condition matter far more to safe road manners than the truck’s original reputation for toughness.

Working Life and Ownership

In period, a PM253 was likely to earn its keep as a delivery truck, farm vehicle, construction rig, municipal fleet truck, or chassis for a specialist body. Today, owners commonly preserve them as show vehicles, use them for local parades and events, or restore them as working displays. Some remain useful on private property, but their size, gearing, fuel consumption, and limited modern safety equipment make them less suited to everyday traffic than a contemporary pickup.

Routine mechanical work is approachable for an owner with basic tools and experience. The engine and chassis use familiar, largely mechanical systems, and many service tasks do not require electronic diagnostics. The main challenge is locating correct parts for a particular engine, transmission, axle, or cab detail. Body panels, trim, glass, and model-specific commercial components can be harder to source than common maintenance items.

Before buying, inspect the frame for corrosion or poor repairs, especially around crossmembers and body mounts. Check the brakes, steering play, wheel bearings, cooling system, and clutch, and look closely for rust in the cab corners, floor, and windshield area. A truck that has spent decades working may have accumulated changes to its wiring, engine, or body. Those alterations are not necessarily deal-breakers, but they should be reflected in the price and restoration plan.

PM253 Facts and Common Questions

The PM253 is not known for a single celebrated speed record or one famous factory special edition. Its distinction is more practical: it represents the flexible medium-duty trucks that businesses relied on every day, often with bodies installed by companies other than GMC. A surviving truck may therefore tell two stories, one about GMC’s chassis and another about the local business or body builder that put it to work.

Exact production figures for the PM253 designation are difficult to establish from commonly available model summaries. GMC made trucks across many weight classes and configurations, and production totals were often recorded by broader series rather than by every chassis-and-body combination. As a broad, unverified estimate, a particular PM253 configuration may have been produced in the several-thousand range, but that should not be treated as a factory-confirmed count. The number surviving in original or restorable condition is almost certainly much smaller.

A frequent criticism is that these trucks are slow, thirsty, noisy, and tiring to drive over long distances. That is fair by modern standards. Their manual controls and basic safety equipment also demand more attention from the driver. Their strengths are different: straightforward mechanicals, a strong commercial presence, and a design that makes its purpose immediately clear.

Collector Value and Availability

Values vary sharply with condition, completeness, engine and drivetrain, body type, and the quality of any restoration. As a general North American guide, a rough project might sell for about $5,000–$12,000. A running, usable example could fall around $12,000–$25,000, while a well-restored truck with an appealing original-style body may reach roughly $25,000–$50,000 or more. A particularly rare body or exceptional restoration can exceed that range, while a heavily modified or incomplete truck may bring less.

These figures are estimates, not a formal appraisal, and medium-duty trucks have a smaller buyer pool than popular light-duty pickups. They are also less likely to appear regularly in the market, especially in complete, well-documented condition. Over time, well-presented examples have potential to appreciate as older commercial vehicles attract more collectors, but values depend on condition and demand. Restoration costs can easily outrun the finished truck’s market value, so buy the best, most complete example you can reasonably afford.

Why the 1958 GMC PM253 Still Matters

The PM253 combines the confident Blue Chip design of 1950s GMC with the practical flexibility of a commercial chassis. Its appeal is not a headline-grabbing acceleration figure or a luxury interior. It is the honest engineering, adaptable body options, and unmistakable presence of a truck designed to work for a living.

Restored as a period workhorse or preserved with the marks of its service life, a 1958 GMC PM253 keeps an important part of North American transportation history visible. It is a reminder that the trucks shaping the modern road network were not just pickups, but hardworking machines built to take on almost any job.