Subaru WRX STI S209

I've always had a soft spot for the S209. Launched back in 2019, it was the first S-series STI Subaru actually sold in the US, and honestly, still the most powerful factory WRX STI they ever built. 341 hp out of the old EJ25 flat-four, with an HKS-sourced turbo, forged pistons, and an intercooler spray that actually does something. Only 209 were ever made, all for the US market. That's it. So yeah, one of the rarest modern Subarus around. Wider fenders, front canards, a carbon-fiber roof spoiler, and a rear wing big enough to eat lunch off of. The Bilstein dampers, stiffer springs, and flexible tower brace were all dialed in on Japanese circuits. In FH6, the S209 brings proper WRC DNA to A-class road racing. The EJ25's mid-range torque punches it out of corners harder than the numbers suggest, and the DCCD lets you adjust handling balance on the fly. I mean, it's basically the final form of the EJ-powered STI, and whatever else Subaru threw at it. No joke.

Look, the S209 won't dance like a RWD car. Accept that upfront and you'll appreciate what it does instead: it demolishes lap times through pure consistency. Every corner exit is identical. The front tires pull you through understeer moments that would've spun a rear-drive car two corners ago. And in FH6's variable weather, where a dry race can turn wet mid-lap? That predictability converts to positions gained while everyone else is pirouetting into the scenery. The tradeoff is feel tho. The steering filters out some of the chassis nuance that RWD competitors serve up raw. You won't get that fingertip balance of a car rotating around your hips. But what you get in return is the confidence to push harder, brake later, and send it into corners with way less mental overhead. Honestly, I'll take that trade any day.

In the dry, the AWD system hooks up stupid early on corner exit. You can stand on the throttle a full beat before the RWD cars and just drive around the outside. But rain changes everything tho, fr. On the Forest Rally circuit during a downpour, the front axle digs into standing water and finds grip where rear-drive cars are hydroplaning straight into the barrier. You'll feel a gentle push on corner entry in fast sweepers like the Lake District esses. But a slight throttle lift shifts weight forward and the nose tucks right back in. The car never snaps on you. Basically, it talks through the wheel rim with a progressive lightening that says "ease off" rather than screaming it. Ngl, that kind of communication is rare in A class.

This thing rides curbs like it owns them. Where RWD cars skip sideways over rumble strips, the front axle pulls the car straight and the rear follows like a well-trained dog. That's a legit competitive advantage on FH6's tighter circuits where the fast line involves heavy curb abuse. The chassis handles single impacts nicely, one wheel on a curb and three on pavement, no drama. But it struggles with simultaneous bumps to all four wheels. So avoid the stacked curbs on the Urban Street circuit's chicane. Seriously. The car will buck sideways and the AWD can't catch it before you're eating barrier. Single-curb attacks only, and things like that.

Building the S209 comes down to one simple question: grip or power? Pick one to dump your first 100k into, because trying to split the difference leaves you with a car that's mediocre at everything. I've found the sweet spot is race tires, full weight reduction, race suspension, anti-roll bars, and a sport turbo. Budget around 173,000 CR for this baseline. Works like a charm.

Momentum build, extreme weight reduction, all stages, lightweight wheels, carbon driveshaft, and only modest power adds. ECU plus intake, that's it. So the idea is simple: shed mass, sharpen response, let the improved power-to-weight ratio do the heavy lifting. You sacrifice top speed for razor-sharp direction changes and late braking. PI ends around 795. Total roughly 200,000 CR. And honestly, it works stupidly well on tight circuits like the Urban Street track. I'm telling you.

Drag setup then: drag tires, full weight reduction with rear seats and interior stripped, longest final drive ratio, and anti-lag turbo if you can get your hands on one. AWD launch traction gives you an edge over RWD drag builds at the tree. No joke. Pretty much a free win off the line.

If you're set on an engine swap, the Racing V8 has the best weight-to-power ratio. It's lighter than the V12 and the power delivery is more progressive, which matters when you're managing four contact patches. A fully maxed S209, every upgrade and no budget limit, runs roughly 280,000 to 450,000 CR depending on swap choices and auction house luck, or whatever.

Set the differential to 65% rear bias for a more playful personality. The tail steps out under power like a RWD car but the front axle pulls you straight. Best of both worlds honestly, I've been running this setup for weeks.

For Speed Zones, approach from 200m further back than you think. Exit speed matters way more than entry speed on a timed zone. Learned that the hard way after about 50 failed attempts.

And download a top-100 rivals ghost, follow it for five laps. You'll spot braking points, lines, and throttle applications you never even considered. This alone dropped half a second off my lap times. No cap.

The car understeers on entry if you carry too much speed. Fix it mid-corner with a brief throttle lift, the weight transfer tucks the nose back in without touching the brakes. Works every single time, kinda beautiful actually.

But stay on asphalt. I mean it. FH6 has plenty of dirt connectors between roads, and this car's off-road rating means you'll lose more time in the dirt than the shortcut saves you. So yeah, not worth it, trust me.

The S209 was the final STI and FH6 gives it a proper sendoff. SI-Drive modes now feel meaningfully different — Sport# is properly aggressive. The aero is functional too, generating real downforce at speed.