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Plymouth GTX 1st Gen

Overview

The first-generation Plymouth GTX (1967–1969) was a high-performance muscle car based on the Belvedere, featuring luxury trim and powerful V8 engines. Positioned as a 'gentleman’s muscle car,' it combined comfort, style, and speed, with performance-oriented features such as heavy-duty suspension and optional HEMI engines.

Distinctions

What sets this car apart, from being selected for the Octane Files to becoming a legend.

In the files

Selected for its history, engineering, or cultural weight.

The scorecard

Rated 1 to 10 on the traits that matter for owning, driving, and holding on to a car like this.

Desirability

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Rarity

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Driving Thrill

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Investment Trajectory

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Usability

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Ease of Restoration

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Cultural Impact

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Electronic dependence

Fully analogHeavily electronic

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Market Data

Demand tier, price trend, and typical values by condition, based on recent sales data.

Desirability Tier

Blue-chipHighSolidEntry

Strong, sustained collector demand. Good examples never wait long for a buyer.

Value Trajectory

AppreciatingStableCooling

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Price by condition

Driver

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Excellent

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Concours

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Buyer's guide

What anyone seriously considering this car should know first.

Why it's worth it

The premium B-body muscle car - all the performance of a Road Runner with nicer trim.

Callout

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What to watch for

Hemi cars are faked - fender tag and casting numbers essential; the 440 was standard, so a base GTX is still a big-block car.

The Story

Driving Character

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Design

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Motorsport Pedigree

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In Culture

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Where it comes from

Related cars from the same manufacturer family, like platform siblings or shared-era relatives.

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Rivals

Cars from other manufacturers that competed for the same buyers when new.

Rivals: 442, GS, SS396. If you like it: Road Runner, Coronet R/T.

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Owning One

Why collectors want it

The upscale, better-trimmed Road Runner - Plymouth's 'gentleman's muscle car' came standard with the 440 and offered the 426 Hemi; a more refined B-body muscle car.

Which one to look for

GTX 440, 426 Hemi.

What owning one is like

Rust, cloning, Hemi authenticity.

Upkeep & Parts

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Resources

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All cars

Country of Origin

USA

Class

Muscle

Production Years

1967–1969

Units Built

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Marque

Plymouth

Model

GTX

Nickname

Gentleman's Muscle Car

Body

Convertible, Coupe

Layout

Front-engine, RWD

Engine

440 Super Commando (standard) and the 426 Street Hemi.

Transmission

Data unavailable

Designer

Plymouth styling