The Toyota GR Corolla has quickly become a favorite among performance car enthusiasts, praised for its engaging driving experience and a unique turbocharged 1.6-liter three-cylinder engine delivering 300 horsepower. However, the future of that distinctive engine is uncertain. Recent developments suggest Toyota is considering a significant powertrain upgrade for the GR Corolla, potentially swapping the three-cylinder for a more powerful and potentially simpler four-cylinder.
The Rise of the 2.0-Liter Four-Cylinder
Toyota recently unveiled a new turbocharged 2.0-liter four-cylinder engine in Japan alongside the debut of a new Corolla concept. This engine is reportedly capable of producing around 400 horsepower – a significant increase over the current GR Corolla’s output. Crucially, Toyota claims this new four-cylinder is less complex than the existing three-cylinder.
Potential Implications for the GR Corolla
Chief Technology Officer Hiroki Nakajima has hinted that this new engine could feature in future high-performance Toyota models. While Nakajima didn’t definitively confirm its inclusion in the next GR Corolla, the possibility is strong. The shift to a four-cylinder aligns with a broader trend towards streamlining engines for improved performance and efficiency.
Why Engine Complexity Matters
The current 1.6-liter three-cylinder in the GR Corolla is a marvel of engineering, but it requires extensive work to achieve its current power levels. As GR Corolla Chief Engineer Naoyuki Sakamoto admitted, the team has reached the practical limits of the three-cylinder’s capabilities. The increased complexity means higher manufacturing costs and potentially more challenging maintenance. A simpler, more potent four-cylinder offers a pathway to greater power without disproportionately increasing engineering hurdles.
A Gas Engine’s Endurance
Despite the potential engine shift, Toyota remains committed to gasoline engines, with CTO Nakajima reaffirming the company’s intention to “manufacture engines until the very end.” This commitment provides some reassurance to enthusiasts who value the sound and feel of a traditional internal combustion engine.
Powering Up the Competition
If the next-generation GR Corolla were to adopt the 400-horsepower four-cylinder, it would surpass its rivals: the Honda Civic Type R (315 hp) and the Volkswagen Golf R (328 hp). This performance jump would further solidify the GR Corolla’s position as a leading contender in the hot hatch segment.
What to Expect
For now, buyers can still purchase the current 2026 GR Corolla, with a starting price of $41,080, including destination charges. While the future of the iconic three-cylinder remains uncertain, the prospect of a more powerful and refined GR Corolla is undoubtedly exciting for performance car fans.
