Porsche 911 GT3 RS vs Porsche 911 S/T
Compare the Porsche 911 GT3 RS vs Porsche 911 S/T. The Porsche 911 GT3 RS is £50,000 cheaper. The Porsche 911 GT3 RS is 0.7s quicker to 60mph. The Porsche 911 S/T is more fuel efficient. Full performance, cost & ownership breakdown.
The Porsche 911 GT3 RS is priced from £178,000, powered by a 4.0L Flat-6, producing 518 hp, with 465 Nm of torque, reaching 0-60 mph in 3s, a top speed of 184 mph, sent to the road via rear-wheel drive. The Porsche 911 S/T is priced from £410,000, powered by a 4.0L Flat-6, producing 525 hp, with 470 Nm of torque, reaching 0-60 mph in 3.7s, a top speed of 186 mph, sent to the road via rear-wheel drive.
The Porsche 911 GT3 RS offers a 132-litre boot, a usable front boot, runs on petrol, returns around 22 mpg, is covered by a 4yr / 50k mi warranty. The Porsche 911 S/T offers a 100-litre boot, runs on petrol, returns around 22 mpg, is covered by a 4yr / 50k mi warranty.
On cost of ownership, the Porsche 911 GT3 RS is £50,000 cheaper than its rival, the Porsche 911 GT3 RS costs less in annual maintenance (£1,700 versus £1,800), a full tank costs around £85 for the Porsche 911 GT3 RS and £85 for the Porsche 911 S/T.
Driving Character: Porsche 911 GT3 RS vs Porsche 911 S/T
The Porsche 911 GT3 RS is essentially a road-legal race car, featuring aggressive aerodynamic aids that generate genuine downforce. The 4.0L flat-six is at its most extreme here, delivering 518hp with a razor-sharp throttle response. The chassis is incredibly stiff, tuned for maximum track precision, which makes for a highly intense driving experience on public roads. The steering feel is unparalleled, transmitting every nuance of the road surface directly to the driver’s palms. It is a machine that demands complete, unwavering commitment, rewarding the skilled pilot with performance levels that exceed almost anything else in the production world.
The Porsche 911 S/T is a masterstroke of lightweight engineering, stripping away the excesses of modern GT cars to create a pure, analogue experience. With 525 hp from its 4.0L flat-six, it is light, agile, and incredibly communicative. The steering is sharp, providing exceptional feedback that connects the driver directly to the tarmac. While it lacks the aggressive aero package of the GT3 RS, the S/T is far more rewarding on winding roads, where its balance and precision truly shine. It is a visceral, high-revving celebration of everything that makes a 911 special, free from the complexity of electronic interference.
Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 driving character grading, 97 against 97. Characteristic of the Porsche 911 GT3 RS: The most extreme naturally-aspirated 911, drenched in motorsport aero technology. For the Porsche 911 S/T: The lightest, most analogue modern 911 - manual gearbox, GT3 RS engine, no rear-wheel steering. In outright terms it is 518 hp against 525 — a 7 hp gap — and the Porsche 911 GT3 RS reaches 60 mph 0.7s sooner.
Interior & Cabin: Porsche 911 GT3 RS vs Porsche 911 S/T
Inside, the Porsche 911 GT3 RS is stripped to the bone, with CFRP door panels and a roll cage serving as the primary design features. Carbon bucket seats are standard, locking the driver in place for high-G maneuvers. The cabin is purposefully sparse, lacking luxury padding in favour of weight-saving measures that prioritize speed. While road and wind noise are prominent at motorway speeds due to the lack of sound deadening, this is expected in a model of this focus. Everything is designed to be functional and lightweight, creating a pure, motorsport-inspired workspace that keeps the driver focused on the tarmac.
Inside, the Porsche 911 S/T features a minimalist cockpit that highlights its lightweight mission. The absence of rear seats and the use of carbon-fibre bucket seats with houndstooth cloth create a purposeful, retro-modern atmosphere. Every detail, from the lightweight door pulls to the unique instrument cluster, feels carefully considered to reduce weight without compromising build quality. While it lacks the ultimate comfort features of a base Carrera, the S/T offers a driving environment that is focused solely on the task of performance. It is a stripped-back, high-quality cabin that perfectly mirrors the vehicle's dynamic aspirations.
Head-to-head, the division is clear: the Porsche 911 S/T takes our 0-100 interior & cabin grading, 55 against 60. Characteristic of the Porsche 911 GT3 RS: Motorsport-focused cabin, similar to the GT3 but more stripped-back. For the Porsche 911 S/T: Lightweight, motorsport-flavoured cabin with genuine everyday habitability.
Daily Usability: Porsche 911 GT3 RS vs Porsche 911 S/T
Daily usability is deliberately limited in the Porsche 911 GT3 RS, though it remains technically legal for the road. The nose lift system is a necessity for clearing urban obstacles, preventing damage to the sophisticated front splitter. Storage is limited to the front trunk, which is adequate for track day essentials but not for large loads. Ingress and egress are physically demanding, requiring one to clear the roll cage. The suspension is too firm for comfort on broken surfaces, making long-distance commuting fatiguing. It is a specialized weapon meant for the circuit, not a daily companion for errands.
For such a focused sports car, the Porsche 911 S/T is surprisingly usable, thanks in large part to its slightly softer suspension tuning compared to the RS. The narrow body makes it much easier to park and navigate through narrow urban streets than wider, winged models. However, users must remain cautious with ground clearance on steep ramps and driveways. The boot is sufficient for light luggage, provided you aren't planning an extensive road trip. It serves best as a car for the weekend blast or the alpine pass, where its agility and light weight truly excel in practice.
Head-to-head, the division is clear: the Porsche 911 S/T takes our 0-100 daily usability grading, 45 against 55. Characteristic of the Porsche 911 GT3 RS: Usable daily if you accept its extreme, track-bred intensity. For the Porsche 911 S/T: More usable daily than a GT3 RS thanks to the single-mass flywheel manual. that means 132 litres of boot space against 100, plus a usable front boot in the Porsche 911 GT3 RS.
Ownership: Porsche 911 GT3 RS vs Porsche 911 S/T
Owning a Porsche 911 GT3 RS is a commitment to the pinnacle of naturally aspirated performance, and it carries the costs to match. With its motorsport-derived components, maintenance is frequent and expensive, requiring specialist knowledge that the Porsche Motorsport network provides. Insurance premiums are significant given the car’s market value and performance potential. However, its scarcity and extreme engineering ensure that it remains a high-value asset, with strong residuals and a dedicated community of owners. It is a long-term investment that requires dedicated resources but pays off with an experience that few other machines can provide.
Owning the Porsche 911 S/T is a pinnacle of Porsche ownership, defined by extreme rarity and intense collector interest. The model's historical significance and limited build numbers ensure that residual values remain exceptionally high, far exceeding the original purchase price. While maintenance is handled through the standard Porsche dealer network, the exclusive nature of the S/T means that bespoke parts can be expensive. With a four-year warranty, the ownership experience is as reliable as it is exciting. It is a car that rewards the dedicated enthusiast with both mechanical delight and long-term investment stability.
Head-to-head, the division is clear: the Porsche 911 S/T takes our 0-100 ownership grading, 80 against 82. Characteristic of the Porsche 911 GT3 RS: Strong Porsche reliability and huge collector demand. For the Porsche 911 S/T: Instant collector status as a manual-only, ultra-limited 911. On the wallet the two diverge at £178,000 versus £410,000 — a £232,000 difference, with annual maintenance of £1,700 against £1,800.