What size engine is in the 1964 Dodge Polara?
In short, the 1964 Dodge Polara offered multiple V8 engine options, with the most common being a 383-cubic-inch V8 and a top-performance 426-cubic-inch Hemi as an optional upgrade.
Engine options for the 1964 Polara
Buyers could choose among several V8 configurations, depending on trim level and market availability. The Polara lineup included a mid-sized V8 option and, for enthusiasts, a large-displacement Hemi upgrade.
- 383 cubic inch (6.3 L) V8
- 426 cubic inch (7.0 L) Hemi V8 (top-performance option)
The 383 V8 was the workhorse for most Polara models, while the 426 Hemi represented the rare, high-performance upgrade that appealed to hot-rodders and collectors alike.
Variants by trim
Higher-trim Polara models, such as the performance-focused variants, were more likely to offer the 426 Hemi, while the standard Polara commonly used the 383 V8. Availability varied by year, region, and vehicle configuration.
Context and impact
The engine choice shaped the Polara’s performance, drag-strip potential, and day-to-day drivability in the 1964 market. The presence of a 426 Hemi option helped cement the Polara's reputation among classic Mopar enthusiasts.
Summary
For the 1964 Dodge Polara, multiple V8s were offered. The baseline and most common engine was the 383 cubic inch V8, with the 426 cubic inch Hemi available as a rare, high-performance upgrade on select models. The exact engine depended on trim and production specifics, making some Polaras significantly more powerful than others.
