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1954 GMC 100

$49,799

1954 GMC 100

Vehicle Details

Make

GMC

Model

100

Year

1954

Body Type

Pickup Truck

Transmission

Automatic

Engine

350

Description

This iconic 1954 GMC 100 5-window pickup combines classic post-war styling with reliable, modern performance. Upgraded, dialled-in, and completely road-ready, this truck features an S-10 frame swap and a custom suspension with brand-new shocks for a smooth, contemporary ride. Drivetrain & Performance: 350 V8 engine equipped with an Edelbrock carburetor and intake 4-speed automatic transmission Power steering and 4-wheel power disc brakes Brand-new fuel pump, fuel filter, and battery Efficient aluminum radiator with an electric cooling fan Comfort & Electrical: Full 12-volt electrical system conversion Ice-cold A/C utilizing 134A refrigerant Updated two-tone modern seating Clean, easy-to-read gauges and a custom wood steering wheel Upgraded steering box and windshield washer kit high-visibility LED taillights Classic 15-inch chrome wheels Turn-key and built to cruise.

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Classic GMC 100 Buyer's Guide

Full guide
R
Robert Halloran
Classic Trucks
1947–1959
~3 min read
Updated Apr 2026
Complete buyer's guide for the classic GMC 100 half-ton pickup (1947–1959). How the GMC differs from its Chevrolet twin, what to inspect, and why smart buyers have been quietly acquiring these trucks for years.
This guide covers
✓ 10-point inspection checklist
✓ Common issues & what to avoid
✓ In-person inspection guide
✓ Market pricing by year & condition
✓ 5 FAQs answered
✓ History & fun facts
Read the Full 100 Buyer's Guide

GMC 100 Market Overview

Based on 23 GMC 100 listings currently on ClassicCarsArena.com

23
Listed Now
$33,087
Avg. Asking Price
1947–1964
Year Range
Price Position on Our Site - Average Range
This car: $49,799
Low: $6,495 High: $94,995
Transmission Distribution
Automatic 35% ◄
Manual 48%
Condition Distribution
Good 22%
Fair 4%
Poor 4%
Data from ClassicCarsArena.com listings Browse all 23 listings →
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Classic GMC 100 Buyer's Guide

The GMC 100 is the half-ton pickup that lived in the shadow of its Chevrolet twin, and that's exactly why smart buyers have been quietly acquiring them for years. Mechanically identical to the equivalent Chevrolet 3100 and C10 through most of its production, the GMC 100 carries the same parts availability and the same durability at a consistent discount in the collector market. The styling is subtly different, the grille is distinctive, and the badge on the hood says something different from every other classic truck in the parking lot.

What to Check Before Buying

✓
Inspect cab corners with flashlight and magnet , Same rust zones as Chevrolet 3100: lower front and rear cab corners. Magnet test for filler depth.
✓
Check cab mount points on frame , Where body bolts to frame. Rust-through here is a structural concern, inspect with torch from underneath.
✓
Pull floor mats and inspect pans , Both sides. Replacement pans are available and cross-reference with Chevrolet parts.
✓
Verify original GMC engine vs Chevrolet swap , Early GMC 100s had GMC-specific inline-sixes. Casting numbers identify engine origin. Original GMC engine adds value to GMC-focused collectors.
✓
Inspect GMC grille condition , GMC-specific grilles are harder to source than Chevrolet equivalents. Check for cracks, missing sections, and chrome condition.
✓
Examine firewall stampings , Original firewall should have VIN stampings. Replaced firewall = major accident or rust-through repair.
✓
Check running board flanges , Water pools here and rots flanges. Inspect attachment points for rust-through.
✓
Test brakes and steering , Hydraulic drum brakes all around. Firm pedal, straight stopping. Steering should have minimal dead travel.
✓
Verify trim and badge originality , GMC-specific trim pieces and badges. Check that hood badge, tailgate badge, and cab trim are correct GMC items, not Chevrolet substitutes.
✓
Document with photos before purchase , Every panel, grille, engine bay, firewall stampings, undercarriage.

Common Issues

The GMC 100 shares all rust patterns with the Chevrolet 3100: lower cab corners, floor pans, running board flanges, and cab mount points. The inspection protocol is identical. GMC-specific concerns: the early GMC inline-six engines (GMC 228 and 248, 1947–1954) are less common in the parts market than Chevrolet Stovebolt units. While they are robust engines, specialist parts may require more hunting. Many surviving GMC 100s have had their original GMC engines replaced with Chevrolet Stovebolt or small-block V8 units, this reduces value for GMC purists but makes the truck more practical. GMC-specific trim pieces, particularly the grille and the instrument cluster, are harder to source than Chevrolet equivalents. Budget for this when assessing restoration cost.

What to Look For

Structure first: same as any Advance Design or Task Force truck. Cab mounts, floor pans, cab corners. The frame and cab are the foundation, everything else is replaceable. Engine identity second: verify whether the truck has its original GMC engine or a Chevrolet substitute. For original-GMC collectors, this matters. For practical drivers and restomods, it doesn't. GMC-specific trim and badging: an original GMC 100 with correct GMC grille, badges, and instrument cluster is worth more to the GMC collector community than one assembled from mixed Chevrolet parts. Verify what's original before paying a premium.

Price Guide

Advance Design GMC 100 (1947–1955): driver-quality originals run $22,000–$40,000, consistently $5,000–$10,000 less than equivalent Chevrolet 3100 trucks. Concours-quality examples: $48,000–$70,000. Task Force GMC 100 (1955–1959): $15,000–$30,000 for clean drivers; $35,000–$55,000 for professional restorations. These trucks are undervalued relative to their quality and scarcity. Restomod builds command similar prices to equivalent Chevrolet builds when the execution quality is comparable. The badge discount largely disappears at the show-quality level.

Did You Know?

During the 1950s, GMC trucks were sold through Pontiac dealerships, a positioning that gave them a slightly more upmarket image than equivalent Chevrolets sold through Chevrolet dealers. This dealer-channel distinction is long gone, but it created a subtle brand differentiation that persists in the collector market. The GMC 100 designation was replaced by the C10/C15 system in 1960, the same naming change that happened at Chevrolet. After 1960, GMC and Chevrolet trucks shared identical model codes, making the early 1947–1959 period the last era of distinctly GMC-branded truck model designations.

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