Sin R1 GT4 (GT4)
The Sin R1 GT4 is a sharp-edged, track-focused GT4 racer from Bulgarian manufacturer Sin Cars, based on the wild-looking R1 platform and adapted for SRO-style customer racing. It pairs a lightweight chassis and aggressive aero with a naturally aspirated V8 package, making it a seriously characterful machine in the GT4 field.
Key Specs (BoP-dependent, typical sim values)
Powertrain: 6.2L naturally aspirated V8, front-mid mounted, longitudinal
Total Output: ~500 hp
Redline: ~7,000–7,500 rpm
Transmission: 6-speed sequential
Weight: ~1,250 kg
Dimensions: ~4,720 mm long × 1,980 mm wide × 1,120 mm tall | Wheelbase ~2,650 mm
Tires: GT4-spec slicks on racing alloy wheels
Brakes: Ventilated steel discs with multi-piston calipers
Layout: Mid-engine, rear-wheel drive
In the Simulator Feel
The Sin R1 GT4 is a lively, eager GT4 car that rewards commitment and smooth inputs. Compared to more conventional GT4 machinery, it feels a bit more exotic and race-car-like, with quick rotation, strong mechanical grip, and a playful rear end when you ask for too much throttle. It has the accessible pace GT4 drivers expect, but with a distinctly rawer edge that makes it especially fun over a full stint.
Engine & Sound: The naturally aspirated V8 is the star of the show, delivering a deep, muscular soundtrack with a hard-edged top-end bark as it climbs through the rev range. Throttle response is immediate and linear, giving the car a very direct connection between pedal and rear tires. It doesn't have turbo punch or hybrid trickery — just old-school V8 shove and a satisfying mechanical howl.
Handling Characteristics:
Cornering: Agile and responsive on turn-in, with good rotation if you trail brake cleanly.
Traction: Stable enough for GT4 racing, but power-on oversteer can appear if you’re too aggressive exiting slower corners.
Braking: Strong and confidence-inspiring, with the usual GT4 emphasis on modulation and consistency rather than outright carbon-brake violence.
Top Speed: Respectable, though it’s more about corner exit and momentum than straight-line dominance.
Driving Style Tip: Keep it flowing. The Sin R1 GT4 shines when you prioritize smooth steering, early rotation, and clean throttle application out of the apex. It’s particularly enjoyable on technical circuits where balance matters more than pure horsepower.
Livery & Aesthetics: The R1 GT4 looks every bit the part of a boutique racer — low, dramatic, and full of exotic supercar energy. Its angular bodywork, large intakes, and exposed race hardware give it a standout presence in any GT4 grid, especially with bold customer racing liveries.
For drivers who want GT4 pace with a little extra personality, the Sin R1 GT4 is a memorable, entertaining choice that feels special every lap.