The Sin Cars R1 6.2 V8, introduced in 2015, represents a focused approach to the high-performance sports car segment. Built by Sin Cars, a relatively small British manufacturer, the R1 was designed as a lightweight, driver-focused coupe intended to deliver exceptional performance on both road and track. It occupies a niche position, competing with similarly specialized vehicles rather than mainstream sports cars. The R1 is notable for its hand-built construction and emphasis on a raw driving experience. This particular variant, equipped with the 6.2-liter V8 engine producing 650 horsepower, is the flagship model of the R1 lineup.
Technical Specifications
| Brand | Sin Cars |
| Model | R1 |
| Generation | R1 |
| Type (Engine) | 6.2 V8 (650 Hp) |
| Start of production | 2015 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3 sec |
| Acceleration 0 – 62 mph | 3 sec |
| Acceleration 0 – 60 mph | 2.9 sec |
| Emission standard | Euro 6 |
| Weight-to-power ratio | 1.9 kg/Hp, 520 Hp/tonne |
| Weight-to-torque ratio | 1.5 kg/Nm, 656 Nm/tonne |
| Power | 650 Hp @ 6300 rpm |
| Power per litre | 105.5 Hp/l |
| Torque | 820 Nm / 604.8 lb.-ft. |
| Engine layout | Middle, Longitudinal |
| Engine displacement | 6162 cm3 / 376.03 cu. in. |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 103.25 mm / 4.06 in. |
| Piston Stroke | 92 mm / 3.62 in. |
| Compression ratio | 9.1:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Supercharger, Intercooler |
| Kerb Weight | 1250 kg / 2755.78 lbs. |
| Length | 4830 mm / 190.16 in. |
| Width with mirrors folded | 2000 mm / 78.74 in. |
| Width including mirrors | 2251 mm / 88.62 in. |
| Height | 1285 mm / 50.59 in. |
| Wheelbase | 2760 mm / 108.66 in. |
| Front track | 1985 mm / 78.15 in. |
| Rear (Back) track | 2000 mm / 78.74 in. |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Double wishbone |
| Rear suspension | Double wishbone |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 245/35 R19; 305/30 R19 |
| Wheel rims size | 9J x 19; 11J x 19 |
Powertrain & Engine Architecture
The heart of the Sin R1 6.2 V8 is a naturally aspirated 6.2-liter V8 engine. While the exact origins of the engine block are debated, it’s widely believed to be based on a Chevrolet LS-series architecture, heavily modified by Sin Cars. The engine utilizes a multi-port fuel injection system and is force-fed by a supercharger with an intercooler, resulting in a substantial power output of 650 horsepower at 6300 rpm and 820 Nm (604.8 lb-ft) of torque. The engine is mounted longitudinally in a mid-engine configuration, contributing to the car’s balanced handling characteristics. The R1 is exclusively offered with a 6-speed manual transmission, prioritizing driver engagement over convenience. The transmission is a robust unit designed to handle the engine’s significant power output.
Driving Characteristics
The Sin R1 6.2 V8 delivers a visceral driving experience. The mid-engine layout and relatively lightweight construction (1250 kg / 2755.78 lbs) contribute to exceptional agility and responsiveness. Acceleration is breathtaking, with a 0-60 mph time of just 2.9 seconds. The manual transmission requires a skilled driver to extract the most performance, but it provides a direct connection to the powertrain. The supercharger provides instant throttle response, and the engine pulls strongly throughout the rev range. While not designed for everyday comfort, the R1 offers a thrilling experience for enthusiasts seeking a pure, unadulterated sports car.
Equipment & Trim Levels
The Sin R1 is not offered with traditional trim levels. Instead, it’s largely customizable to the buyer’s specifications. The interior is spartan and focused on functionality, featuring racing-style seats, a minimalist dashboard, and a roll cage for added safety. Standard equipment includes ABS brakes and power steering. Optional extras include upgraded suspension components, carbon fiber body panels, and bespoke interior trim options. The emphasis is on reducing weight and maximizing performance, rather than luxury or convenience features.
Chassis & Braking
The R1 utilizes a lightweight tubular steel chassis, designed for optimal rigidity and minimal weight. The suspension consists of double wishbones at both the front and rear, providing precise handling and control. Ventilated disc brakes are fitted to all four wheels, providing ample stopping power. The car’s relatively low weight further enhances braking performance. The steering is a rack and pinion system with electric power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The Sin R1 6.2 V8 has received generally positive reviews from automotive journalists, who praise its performance, handling, and driver-focused design. However, its limited production numbers and relatively high price point restrict its appeal to a niche market. Compared to more mainstream sports cars, the R1 offers a more raw and engaging driving experience, but lacks the refinement and practicality of its competitors. It competes with other low-volume, high-performance sports cars such as the Ariel Atom and BAC Mono, offering a similar level of performance and exclusivity.
Legacy
As a relatively new vehicle, the long-term reliability of the Sin R1 6.2 V8 remains to be fully established. However, the use of a well-proven engine architecture (based on the Chevrolet LS series) suggests that the powertrain should be reasonably durable. The car’s hand-built construction and limited production numbers may make maintenance and repairs more challenging and expensive. On the used car market, the R1 is a rare and desirable vehicle, likely to appeal to collectors and enthusiasts seeking a unique and high-performance sports car. Its value is expected to remain stable or even appreciate over time, given its exclusivity and performance credentials.
