Mazda RX-7 FD3S: The Rotary Masterpiece That Couldn't Last

The Mazda RX-7 FD3S is the rotary engine's greatest triumph and its final tragedy. When Mazda's engineering team — led by Takao Kijima and drawing on two decades of Wankel experience — began work on the third-generation RX-7 in 1989, they were answering a specific question: how do you build a sports car around a 13B-REW rotary that is lighter, faster, and more beautiful than anything on the road? The answer they produced, launched in December 1991, is considered by many critics and drivers to be one of the most pure sports cars ever built. It also killed Mazda's rotary program as a mainstream option.

Kijima's Philosophy

Takao Kijima, who would go on to lead the NA Miata (MX-5) program at Mazda, was the FD3S project chief. His guiding principle was "weight first, power second." Every component on the FD was scrutinized for mass. The entire car came in at just 1,230-1,310 kg depending on spec — astonishing for a modern twin-turbo sports car with leather interior, power steering, and working air conditioning. By comparison, a contemporary Supra MK4 Turbo weighed 1,570 kg.

To hit that weight target, Mazda used an aluminum hood, aluminum knuckles, magnesium wheels, and a fully plastic-composite front fender. The 13B-REW rotary itself weighed just 149 kg — about 100 kg less than a comparable inline-6 of the same displacement class — which moved mass toward the center of the car.

The body, drawn by Yoichi Sato, is to this day considered one of the greatest automotive designs ever produced in Japan. Every curve of the FD is functional: the roofline is low for aerodynamics, the fenders are swollen to clear wide tires, and the signature pop-up headlights kept the nose aerodynamically clean when retracted. The car has appeared in the Museum of Modern Art's design collection.

The Sequential Twin-Turbo 13B-REW

The 13B-REW was a revolutionary engine. It used two Hitachi HT-12 turbochargers plumbed in sequence — not parallel. At low RPM (below ~4,500), only the first (smaller) turbo was active, providing quick throttle response. At high RPM, the second (larger) turbo spooled and took over, providing top-end power. The crossover was aggressive enough that drivers described it as "like being pushed twice."

Output was 255 PS (later 280 PS after 1999 revisions) at 6,500 rpm with 217 lb-ft of torque — modest on paper compared to the competition, but the FD weighed less than a Honda Civic. 0-60 mph took just 5.0 seconds, and the quarter-mile fell in 13.5 seconds — Supra MK4-equivalent times from an engine with half the displacement.

But the 13B-REW was fragile. The seals, the apex seals, the coolant passages — any owner who skipped scheduled maintenance or ran it too lean would eventually face the "rotary rebuild" ritual every 80,000-150,000 km. This fragility was the car's original sin and why the rotary died in 2012.

The FD3S Variants

Mazda produced the FD3S in five main "Series" updates over its 11-year life:

• Series 6 (December 1991 – August 1995): The original. 255 PS, two turbos sequentially. Type R, Type RS, and Type R-II were enthusiast-focused trims with bucket seats and stiffer suspension.
• Series 7 (August 1995 – January 1999): Revised ECU mapping, strengthened transmission, updated interior. Sold in North America as the 1993-1995 RX-7 Turbo (US sales ended after 1995 model year).
• Series 8 (January 1999 – October 2002): Power bumped to 280 PS (the Japanese gentleman's limit). Updated rear spoiler, 17-inch wheels on some trims, strengthened sequential twin-turbo system. Added Type RS-R, Type RB Bathurst X, and the famous "Spirit R" limited editions.
• Spirit R Type A (2002): 280 hp. Recaro seats, 17-inch BBS wheels, carbon exhaust. 1,500 built.
• Spirit R Type B (2002): Same as Type A but with rear seats (for daily use).
• Spirit R Type C (2002): Automatic transmission version. Rare.

Total FD3S production: approximately 68,589 units between 1991 and August 2002.

Motorsport

The FD3S had a complicated motorsport life. Mazda's factory efforts in JGTC's GT300 class were regularly competitive but rarely dominant. Super GT cars were built by RE Amemiya, Team Taisan, and others. In time attack, the FD became the chassis of choice for Tsukuba Super Lap specialists — Yoshio Suzuka's RE Amemiya FD set multiple Tsukuba records in the 2000s.

On the street, the FD was a star of the Wangan Midnight manga and anime, where the lead character "Blackbird" drives a 800+ hp twin-turbo FD. It's also the car of Keisuke Takahashi in Initial D, which made it globally famous to a new generation.

Cultural Impact

The FD3S became a global style icon. Its curves appeared on posters, in Need for Speed, in Gran Turismo, and in countless car magazines. Jeremy Clarkson, not usually a fan of Japanese cars, declared it "the most beautiful car ever designed in Japan" in a 2000 Top Gear episode.

The FD also became the face of rotary culture: a small but fanatical global community of owners who rebuild their engines themselves, share tuning knowledge online, and keep the 13B alive decades after its production end.

Today's Market

A clean FD3S Series 8 Type RS with proper service history trades for $60,000-$90,000. Spirit R Type A variants with low mileage and original paint have sold for $150,000-$200,000 at US auctions. The rarer Type R-II, Type RS-R, and Bathurst X examples bring premium prices.

But the real value of the FD is in its driving experience, not its auction value. Owners consistently describe it as "the sports car Mazda built to prove they could." That's a legacy no replacement rotary has yet matched.

Legacy

Mazda tried twice to resurrect rotary power after the FD — the RX-8 (2003-2012) with the Renesis 13B was cursed by emissions and reliability problems, and the MX-30 R-EV uses a rotary engine as a range extender, not a drivetrain. Neither captured the FD3S magic.

The FD3S is the last great Mazda rotary sports car. Kijima's team proved that with enough engineering discipline, a rotary could compete with anything on the road. Then the engine's inherent limits caught up, and Mazda quietly shelved the program. We'll probably never see its like again — and that's why the FD has only become more valuable as the years pass.