February 10, 1055 – Sales of the Chrysler 300 Begin

On this day in 1955, Chrysler introduced the C-300, a groundbreaking high-performance luxury coupe that would become one of the most celebrated names in American automotive history. Named for its 300 horsepower FirePower V8 — the first modern American production car to achieve that figure — the original Chrysler 300 wasn’t just powerful; it helped redefine what a performance car could be in the 1950s and laid the groundwork for future muscle and grand touring cars.

The C-300 — A New Performance Standard

The 1955 Chrysler C-300 debuted with a 331-cubic-inch FirePower Hemi V8 tuned with dual four-barrel carburetors, a competition cam, and performance exhaust to deliver 300 gross horsepower — making it the most powerful mass-produced American car at the time. With a 0-60 mph time around 9.8 seconds and a top speed north of 125 mph, it was both quick and capable.

Designed under Virgil Exner

, Chrysler’s forward-thinking design chief, the C-300 featured what would become known as the Forward Look — a long hood, sleek coupe proportions, and restrained chrome, showcasing performance visuals without gaudy ornamentation.

Although intended as a road car, it was also built for homologation — proving its mettle in NASCAR competition thanks to its race-ready Hemi engine and firm suspension.

Letter Cars: 300B through 300L

From 1956 through 1965, Chrysler released a new “letter” model each year (skipping “I”), evolving the 300 name:

• 300B (1956): With a 354 cid Hemi producing up to 355 hp, it was one of the first American cars to achieve one horsepower per cubic inch.
• 300C (1957): Upgraded to a 392-cid Hemi up to 390 hp, the 300C amplified performance even further.
• 300D–300L (1958–1965): Through the late ’50s and early ’60s, the 300 series alternated between Hemis and Chrysler’s wedge-head V8s, with power often exceeding 380 hp and body styles including hardtops and convertibles.

These cars were personal luxury performance cars — expensive, powerful, and exclusive — and helped Chrysler position itself as a leader in performance and style long before the muscle car boom of the 1960s.

The 300 Nameplate Hibernates and Revives

300M: A 1999 Reawakening

After a hiatus following the end of the letter cars, Chrysler revived the 300 name in 1999 with the 300M — a front-wheel-drive sedan that borrowed the historic name but not the performance focus of its ancestors. Designed by Tom Gale

, it was competitive in its segment but didn’t fully capture the original 300’s high-power ethos.

Modern R-WD 300 (2005–2023)

In 2003, Chrysler unveiled a new rear-wheel-drive 300 concept styled by Ralph Gilles, taking visual cues from the original letter cars — a bold grille, long hood, and low roofline — that resonated with enthusiasts and the public alike.

The production 2005 Chrysler 300C brought the Hemi nameplate back, this time with a 5.7 L Hemi V8 producing 340 hp, modern luxury features, and unmistakable presence.

Over its life, the modern 300 expanded to include:

• V6 and V8 powertrains (including Pentastar V6s and 5.7 L/6.4 L Hemi V8s).
• AWD options.
• Performance variants like the 300 SRT8 with up to ~470 hp from a 6.4 L Hemi.
• A significant redesign in 2011 that refined styling and tech.

Despite its strong performance and style, Chrysler ended 300 production on December 8, 2023, as part of a shift toward electrification. The final edition, called the 300C Last Call, paired a potent 6.4 L Hemi V8 (~485 hp) with modern luxury to celebrate its lineage.

From its birth as a 300-horsepower road car that dominated NASCAR and claimed dominance in straight-line performance, to a modern embodiment of American luxury performance, the Chrysler 300 stands as a landmark in automotive history. Its early innovations foreshadowed the muscle cars that would define the 1960s, while its modern revival proved the enduring appeal of combining power, presence, and comfort in a full-size sedan.

Whether as a rare letter car appreciating in value or a late-era 300C SRT carving canyons, the 300 nameplate remains one of the best-known in American automotive lore — a true icon introduced on this day, February 10, 1955