2025 Ultima RS

KEY FACTS A captivating and immensely powerful Ultima RS, a modern track-focused supercar with extreme performance. It is powered by a Katech-tuned 6.2-litre LT5 Chevrolet V8, producing 1,000bhp, driving the rear wheels via a Porsche 997 Turbo six-speed manual transmission with a limited-slip differential. First registered in 2025, this UK-delivered example has reportedly had one owner from new. The odometer displays 700 miles. EQUIPMENT AND FEATURES The car is finished in orange over a black leather and synthetic suede-trimmed cabin, punctuated by orange stitching. It rides on a set of black forged 19-inch alloy wheels, housing red callipers and fitted with Michelin tyres. This Ultima RS is a highly specified example, reportedly equipped with all available factory options as well as a professionally tuned 1,000bhp engine. The car is accompanied by a new unused set of Gun Metal alloy wheels with unused Pilot Sport Cup 2 Tyres, a full digital library of the car’s build, various paperwork and manuals, spare parts from Ultima reportedly worth over £8,000 worth. Service parts for the engine including oil, filters, gearbox oil, and coolant, an unsued bespoke Ultima luggage set Specification: Modifications and sign-off by Steve Smith and MacG Racing - both Ultima specialists Engine Katech Tuned LT5 1000 on Dyn0 1,000hp Pump Gas Track Attack Upgrade 11,325.32 11,325.32 Katech CNC LT5 Supercharger Katech 112mm Throttlebody Katech Spintron Validated Valvetrain Katech LT5 Specific Camshaft Katech Tool Steel Spring Retainers Katech Tool Steel Spring Locators PSI 1516 Valve Springs Tool Steel VVT Lockout ARP Head Studs New GM VVT Phaser Bolt New GM LT5 Head Gaskets Trend 3/8-0.080 Hardened Pushrods Katech CNC Cylinder Head Ports Katech CNC Cylinder Head Chambers Katech Competition 5 Angle Valve Job Katech Hand Blending Katech Flat Sand Deck Surface + Deburr Service ATI Lower Damper ATI Lower Supercharger Pulley Griptec Upper Supercharger Pulley Hub Griptec Upper Supercharger Pu