Nissan R90CK RR (Group C Prototype)
The Nissan R90CK RR is a ferocious Japanese Group C endurance prototype, developed for the 1990 World Sportscar Championship and famous for its outrageous qualifying pace. Built around Nissan's twin-turbo V8 program and optimized for maximum speed, it represents the peak of late-era turbo prototype drama.
Key Specs (BoP-dependent, typical sim values)
Powertrain: 3.5L twin-turbocharged DOHC V8 (mid-mounted, longitudinal)
Total Output: ~700 hp in race trim; significantly more possible in qualifying/boost settings
Redline: ~8,000–8,500 rpm
Transmission: 5-speed manual / racing sequential-style endurance gearbox
Weight: ~905 kg
Dimensions: ~4,800 mm long × 1,990 mm wide × 1,040 mm tall | Wheelbase ~2,700 mm
Tires: Slick racing tires on lightweight magnesium wheels
Brakes: Ventilated racing discs with endurance-spec calipers
Layout: Mid-engine, rear-wheel drive
In the Simulator Feel
The R90CK RR is an old-school turbo monster with huge speed, lightweight agility, and a razor-edged powerband. It feels alive in the sim: the chassis is compact and responsive, but the real story is the boost delivery — docile off boost, then suddenly explosive when the turbos wake up. That makes it incredibly rewarding on a clean lap and seriously challenging when traction starts to disappear.
Engine & Sound: The twin-turbo V8 has a deep, mechanical bark at low rpm and a hard-edged howl as boost builds. Once the turbos come on song, the car surges forward with a dramatic kick that feels properly vintage Group C. The sound profile is raw, loud, and unmistakably turbo-era Nissan.
Handling Characteristics:
Cornering: Agile and eager to rotate, but sensitive to weight transfer.
Traction: Demands respect on throttle; turbo torque can overwhelm the rear tires quickly.
Braking: Strong for the era, though you must stay smooth to keep the rear settled.
Top Speed: Excellent straight-line pace, especially in low-drag setups and long endurance trims.
Driving Style Tip: Be patient with the throttle and plan your corner exits early. The car rewards momentum and clean inputs more than aggression, and it absolutely shines at fast, flowing tracks where you can keep the turbo in its sweet spot.
Livery & Aesthetics: The R90CK RR carries the unmistakable Group C silhouette — long, low, purposeful, and beautifully functional. The classic Nissan livery and towering rear wing give it a dramatic presence that looks incredible in sim racing, especially at night or under endurance lighting.
Whether you're chasing hot laps or reliving the golden age of prototype racing, the Nissan R90CK RR delivers one of the most thrilling turbo experiences in classic sim racing — pure Group C attitude with legendary Nissan speed.
