The RUF SCR 4.0, introduced in 2018, represents a return to RUF Automobile’s roots – building uncompromising, naturally aspirated sports cars. This model is not a modified Porsche, but a completely bespoke vehicle built by RUF, utilizing its own chassis and bodywork, though heavily inspired by the classic Porsche 911. The SCR 4.0 is positioned as an exclusive, high-performance coupe aimed at enthusiasts seeking a visceral driving experience, eschewing modern trends like turbocharging and all-wheel drive. It’s a deliberate throwback to the golden age of analog sports cars, offering a pure connection between driver and machine. Production numbers are extremely limited, further enhancing its exclusivity.
Technical Specifications
| Brand | RUF |
| Model | SCR |
| Generation | SCR |
| Type (Engine) | 4.0 (510 Hp) |
| Start of production | 2018 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (economy) – urban | 20.2 l/100 km (11.6 US mpg, 14 UK mpg, 5 km/l) |
| Fuel consumption (economy) – extra urban | 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l) |
| Fuel consumption (economy) – combined | 13.6 l/100 km (17.3 US mpg, 20.8 UK mpg, 7.4 km/l) |
| CO2 emissions | 324 g/km |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 370 km/h (229.91 mph) |
| Weight-to-power ratio | 2.5 kg/Hp, 408 Hp/tonne |
| Weight-to-torque ratio | 2.7 kg/Nm, 376 Nm/tonne |
| Power | 510 Hp @ 8270 rpm |
| Power per litre | 127.5 Hp/l |
| Torque | 470 Nm @ 5760 rpm (346.65 lb.-ft. @ 5760 rpm) |
| Engine displacement | 4000 cm3 (244.09 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Boxer |
| Cylinder Bore | 105.4 mm (4.15 in.) |
| Piston Stroke | 76.4 mm (3.01 in.) |
| Compression ratio | 13.1:1 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Kerb Weight | 1250 kg (2755.78 lbs.) |
| Length | 4207 mm (165.63 in.) |
| Width | 1819 mm (71.61 in.) |
| Height | 1265 mm (49.8 in.) |
| Wheelbase | 2342 mm (92.2 in.) |
| Front track | 1445 mm (56.89 in.) |
| Rear track | 1500 mm (59.06 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) |
| Tires size | 245/35 R19; 305/30 R19 |
| Wheel rims size | 8.5J x 19; 11J x 19 |
Powertrain & Engine Architecture
The heart of the SCR 4.0 is RUF’s own 4.0-liter naturally aspirated flat-six engine. This isn’t a modified Porsche engine, but a completely new design, though it clearly draws inspiration from the classic Porsche air-cooled and water-cooled flat-sixes. It features a dry-sump lubrication system, essential for maintaining oil supply during high-g cornering. The engine utilizes individual throttle bodies and multi-port fuel injection, contributing to its sharp throttle response and high-revving nature. The 13.1:1 compression ratio demands premium fuel. The engine is mated to a six-speed manual transmission, specifically chosen to enhance the driver’s engagement. The transmission features a robust design and precise shift feel. Power is delivered exclusively to the rear wheels, maintaining a traditional sports car layout.
Driving Characteristics
The SCR 4.0 delivers a driving experience that is both exhilarating and demanding. The naturally aspirated engine requires the driver to work for the power, rewarding skillful gear changes and precise throttle control. The absence of turbo lag provides instant response, making the car feel incredibly agile. The manual transmission further enhances the connection between driver and machine. While not as brutally fast in a straight line as some modern turbocharged competitors, the SCR 4.0 offers a more nuanced and engaging driving experience. The relatively light weight (1250 kg) contributes to its nimble handling. The gear ratios are well-matched to the engine’s powerband, allowing for strong acceleration throughout the rev range. It’s a car that rewards precision and demands respect.
Equipment & Trim Levels
The RUF SCR 4.0 is not offered with extensive trim levels or options in the traditional sense. RUF focuses on bespoke customization, allowing clients to personalize their cars to a significant degree. Standard features include a minimalist interior with high-quality leather upholstery, carbon fiber trim, and lightweight sports seats. The dashboard features analog gauges, eschewing large digital displays. Air conditioning and a basic audio system are typically included. However, clients can specify a wide range of custom options, including different leather colors, stitching patterns, and carbon fiber finishes. The emphasis is on creating a unique and personalized driving experience.
Chassis & Braking
The SCR 4.0 utilizes a bespoke chassis constructed from a combination of steel and carbon fiber, providing a rigid and lightweight platform. The suspension features double wishbones at both the front and rear, with adjustable dampers and springs. This allows for fine-tuning of the suspension to suit individual driving preferences and track conditions. Braking is handled by ventilated discs at all four corners, providing ample stopping power. An ABS system is included as a standard safety feature. The car’s relatively low weight contributes to its excellent braking performance. The suspension setup is tuned for a balance between comfort and performance, providing a compliant ride on the road while maintaining excellent body control during spirited driving.
Market Reception & Comparison
The RUF SCR 4.0 has been widely praised by automotive journalists for its uncompromising approach to sports car design. Critics have lauded its naturally aspirated engine, engaging manual transmission, and analog driving experience. Compared to modern turbocharged sports cars, the SCR 4.0 offers a more visceral and rewarding driving experience, albeit with slightly lower outright performance. Its fuel economy is relatively poor (13.6 l/100 km combined), reflecting its high-performance engine and lack of fuel-saving technologies. However, this is not a primary concern for the SCR 4.0’s target audience. Reliability is expected to be high, given RUF’s reputation for meticulous engineering and build quality.
Legacy
The RUF SCR 4.0 represents a rare breed of sports car in the modern automotive landscape. It’s a deliberate rejection of current trends, offering a pure and engaging driving experience that harkens back to the golden age of analog sports cars. Its limited production numbers and bespoke nature ensure that it will remain a highly collectible vehicle. The SCR 4.0’s powertrain, while not the most efficient, is expected to be durable and reliable, provided it receives proper maintenance. In the used car market, the SCR 4.0 is likely to command a significant premium, appealing to collectors and enthusiasts who appreciate its unique character and uncompromising performance.
