Will the 2020 STI Have Better MPG? Learn More in This Article

In the ever-evolving automotive industry, the question of fuel efficiency has become a pivotal aspect in the minds of both car enthusiasts and eco-conscious individuals alike. As 2020 approaches, Subaru enthusiasts eagerly anticipate the release of the highly popular Subaru WRX STI model, eagerly wondering if this iconic performance car will see improvements in terms of it’s fuel economy. With rising concerns about environmental sustainability and the ever-increasing cost of fuel, it’s only natural to ponder whether the 2020 STI’ll boast better MPG (miles per gallon) figures than it’s predecessors. Subaru, known for it’s commitment to engineering excellence and technological advancements, might indeed surprise us with a more fuel-efficient variant of the highly anticipated 2020 STI. Although concrete details are yet to be revealed, fans of the STI can't help but speculate on the possible enhancements that the upcoming model could bring, hinting at a thrilling combination of power and efficiency. As enthusiasts eagerly await the official release, only time will tell if the 2020 STI’ll live up to their expectations by delivering improved fuel economy without compromising the sheer driving pleasure that defines this performance icon.

How Many Miles Per Gallon Does a 2020 STI Get?

The 2020 Subaru WRX STI, with it’s powerful engine and sporty design, may not top the charts when it comes to fuel efficiency. However, it still manages to offer a respectable fuel economy considering it’s performance capabilities. According to official EPA estimates, the 2020 Subaru WRX STI can achieve 16 miles per gallon (mpg) in city driving and 22 mpg on the highway.

These figures are based on standard specification and driving conditions, so individual results may vary depending on factors such as driving style, traffic conditions, and terrain. It’s worth noting that the WRX STIs fuel efficiency is impacted by it’s high-performance nature, which demands more power and responsiveness from the engine.

This popular sports sedan is equipped with a turbocharged 2.5-liter engine, producing an impressive 310 horsepower and 290 lb-ft of torque. It’s legendary symmetrical all-wheel drive system ensures exceptional grip on various road surfaces, giving drivers confidence in every turn.

Subaru has also incorporated various technologies into the WRX STI to optimize fuel economy. These include direct fuel injection, engine start-stop systems, and advanced transmissions, which contribute to better efficiency without compromising on performance.

However, real-world fuel efficiency often differs from official figures. In the case of the 2020 Subaru WRX, the EPA’s estimated mileage seems somewhat optimistic. When Car and Driver conducted their own mpg test, they obtained results that were closer to what drivers might actually experience on the road.

What Is the Real World MPG for a 2020 WRX?

The real-world mpg for a 2020 WRX can vary depending on various factors such as driving habits, road conditions, and traffic patterns. While the EPA claims an average of 27 mpg on the highway for the manual transmission version of this sedan, it’s interesting to note that they only predict 24 mpg for the CVT variant. These numbers, however, may not precisely represent the actual fuel efficiency experienced by owners.

Car and Driver conducted their own Subaru WRX mpg test, following a similar protocol to many independent tests, and found more realistic results. They achieved a much more believable 30 mpg at a constant speed of 75 mph. It’s important to remember, however, that this figure was obtained under specific test conditions and may not accurately represent the everyday driving experience.

Factors such as aggressive driving, frequent acceleration, and heavy traffic can significantly lower fuel efficiency. On the other hand, driving defensively, maintaining a steady speed, and avoiding unnecessary idling can help maximize mpg.

Many WRX owners report achieving mpg figures that range from the low twenties to the low thirties in real-world driving conditions. This wide range is a testament to the fact that fuel economy can vary greatly based on individual driving styles and conditions.

It’s worth noting that while the WRX is designed for performance and speed, fuel efficiency may not be it’s main selling point, thus it’s important for potential buyers to consider this factor when making their purchasing decision.


With advancements in technology and a growing emphasis on sustainability, it’s reasonable to expect that Subaru will prioritize enhancing the MPG of their iconic sports sedan. Through potential modifications such as a revised engine, improved aerodynamics, and fuel-saving features, we can anticipate a more efficient driving experience without sacrificing the STI's renowned power and performance. While concrete details have yet to be released, it’s essential to remain optimistic about the future of the 2020 WRX STI's MPG capabilities.

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