The Subaru Flat-Six at Olympus Rally! | Competition Subaru

Flat-Six Innovation: How Subaru Pushed Performance Boundaries at the Olympus Rally

Subaru has long been associated with rally excellence, but at this year’s Olympus Rally, the brand showed that innovation is still central to its DNA.

Amid a field dominated by turbocharged machines, a uniquely built Subaru WRX STI—featuring a naturally aspirated flat-six engine—stood out. Its performance challenged expectations and showcased Subaru’s engineering flexibility in a highly competitive environment.

A Calculated Shift from Tradition

The car, a 2011 WRX STI prepared by Steven Redd Racing and piloted by Mark Piatkowski alongside co-driver Sara Nonack, swapped the conventional turbocharged flat-four for Subaru’s EZ30 flat-six.

With roughly 245 horsepower, the setup emphasized balance and responsiveness over sheer output. Even so, the results were impressive:

• First in class
• Seventh overall
• Stage times are competitive with factory-backed teams

These results highlight a key truth in rally racing: success depends not just on power, but on the harmony between engineering, control, and reliability.

Why the Flat-Six Worked

Opting for a naturally aspirated flat-six brought several distinct advantages:

Smooth, Predictable Power Delivery

Without turbo lag, the engine delivers immediate throttle response—ideal for tight, technical sections where precision matters most.

Improved Balance and Stability

The horizontally opposed layout lowers the center of gravity, enhancing composure over rough and uneven terrain.

Greater Mechanical Simplicity

With fewer forced-induction components, the setup reduces potential failure points—an important benefit in long, demanding stages.

Sound, Spectacle, and Identity

Beyond performance, the car drew attention for its unique exhaust note—often likened to high-end sports cars like the Porsche 911 GT3 RS.

This distinctive sound not only captivated spectators but also reinforced the versatility of Subaru’s platform in unexpected ways.

A Legacy Reinforced

Subaru’s rally pedigree is well established, with the WRX STI playing a major role in its motorsport success.

Core technologies like the boxer engine and symmetrical all-wheel drive system remain central to that legacy, delivering:

• Reliable traction across changing surfaces
• Predictable, confidence-inspiring handling
• Durability in extreme conditions

This Olympus Rally performance is a clear reminder that those fundamentals still hold strong in modern competition.

What It Means for Everyday Drivers

Although this achievement took place on the rally stage, its impact extends beyond racing.

Subaru’s focus on balance, control, and durability carries over into its production vehicles, giving drivers:

• Strong all-weather capability
• Responsive and manageable power
• Long-term dependability

It’s the same philosophy that wins stages—and makes daily driving more capable and enjoyable.

Key Takeaways

• A flat-six WRX STI delivered standout results at the Olympus Rally
• The car finished first in class and seventh overall
• Balanced engineering proved more valuable than peak horsepower
• Subaru’s core technologies remain highly effective
• Innovation continues to define the brand