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How fast is a Dodge Diplomat?

The Dodge Diplomat, a mid-size car produced by Chrysler Corporation from 1977 to 1989, is known for its reliable and practical design. But how fast is this classic American sedan? Let's dive into the details and explore the Diplomat's speed and performance capabilities.


Top Speed and Acceleration


The top speed of a Dodge Diplomat can vary depending on the engine configuration and other factors, but generally, the Diplomat has a top speed in the range of 105-115 mph. This is a respectable top speed for a mid-size car of its era, though not particularly high-performance compared to modern sports cars or muscle cars.


In terms of acceleration, the Diplomat's performance is more modest. Typical 0-60 mph times for the Diplomat range from 12 to 15 seconds, depending on the engine and transmission. This is on the slower side, as modern cars can achieve 0-60 mph times in the 5-8 second range.


Engine Options and Their Impact on Speed


The Dodge Diplomat was available with a variety of engine options, which had a significant impact on its speed and performance. The base engine was a 3.7-liter inline-six, which produced around 90 horsepower. This engine provided adequate power for everyday driving but was not particularly fast.


Higher-performance options included a 5.2-liter V8 engine, which produced up to 140 horsepower. This engine provided a noticeable boost in acceleration and top speed, allowing the Diplomat to reach higher speeds more quickly.


Factors Affecting the Diplomat's Speed



  • Engine size and power output: Larger, more powerful engines generally provide better acceleration and top speed.

  • Transmission type: Automatic transmissions may slightly reduce acceleration compared to manual transmissions.

  • Vehicle weight: Heavier vehicles tend to have slower acceleration and lower top speeds.

  • Aerodynamics: The Diplomat's boxy, upright design may have slightly higher wind resistance, limiting top speed.


It's important to note that the Diplomat's speed and performance were typical for a mid-size sedan of its era, and it was not designed as a high-performance vehicle. However, for those seeking a reliable and practical classic American car, the Dodge Diplomat can still provide a satisfying driving experience.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.