Porsche 911 GT3 RS vs Porsche 911 GT2 RS

Compare the Porsche 911 GT3 RS vs Porsche 911 GT2 RS. The Porsche 911 GT3 RS is £67,000 cheaper. The Porsche 911 GT2 RS is 0.3s quicker to 60mph. The Porsche 911 GT3 RS 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 GT2 RS is priced from £310,000, powered by a 3.8L Twin-Turbo Flat-6, producing 700 hp, with 750 Nm of torque, reaching 0-60 mph in 2.7s, a top speed of 211 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 GT2 RS offers a 132-litre boot, a usable front boot, runs on petrol, returns around 19 mpg, is covered by a 4yr / 50k mi warranty.

On cost of ownership, the Porsche 911 GT3 RS is £67,000 cheaper than its rival, the Porsche 911 GT3 RS costs less in annual maintenance (£1,700 versus £2,200), the Porsche 911 GT3 RS is the more fuel-efficient choice, a full tank costs around £85 for the Porsche 911 GT3 RS and £90 for the Porsche 911 GT2 RS.

Driving Character: Porsche 911 GT3 RS vs Porsche 911 GT2 RS

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 GT2 RS is an apex predator, utilizing its 700hp twin-turbo flat-six to deliver performance that borders on the extreme. With power sent solely to the rear wheels, the chassis requires significant driver skill to manage, especially during corner exit. The aerodynamic setup creates immense downforce, pinning the car to the road at high speeds. Gear changes are executed with violent efficiency, and the steering is razor-sharp, responding to the slightest input. It is a car that demands total respect, offering an analogue, raw experience that is increasingly rare in modern, computer-managed high-performance machinery.

Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 driving character grading, 97 against 95. Characteristic of the Porsche 911 GT3 RS: The most extreme naturally-aspirated 911, drenched in motorsport aero technology. For the Porsche 911 GT2 RS: The most powerful, most extreme rear-drive 911 - demanding and explosive. In outright terms it is 518 hp against 700 — a 182 hp gap — and the Porsche 911 GT2 RS reaches 60 mph 0.3s sooner.

Interior & Cabin: Porsche 911 GT3 RS vs Porsche 911 GT2 RS

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.

The interior of the Porsche 911 GT2 RS is an exercise in ruthless weight reduction. Carbon fibre bucket seats and a roll cage dominate the space, stripped of anything deemed non-essential to the task of driving fast. Build quality is exemplary, even with the sparse layout, using high-quality Alcantara to reduce reflections. The infotainment system is secondary, though it provides access to essential performance metrics via a data logger. The cabin is loud and purposeful, with significant road and engine noise permeating the thin insulation, a clear sign that this vehicle was engineered for the circuit above all else.

Head-to-head, the division is clear: the Porsche 911 GT2 RS 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 GT2 RS: Focused, motorsport-flavoured cabin with genuine everyday habitability.

Daily Usability: Porsche 911 GT3 RS vs Porsche 911 GT2 RS

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.

Daily use is a challenge in the Porsche 911 GT2 RS, though the standard nose lift system is a welcome inclusion that helps navigate basic urban obstacles. Ingress and egress are hampered by the roll cage and rigid bucket seats, making this less of an errand-runner and more of a track-day specialist. The ride is punishingly firm, communicating every bump directly to the driver’s spine. While the luggage space is adequate for a small bag, it is not designed for grand touring. Owners accept these compromises as part of the price for one of the most powerful rear-wheel-drive road cars ever built.

Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 daily usability grading, 45 against 45. Characteristic of the Porsche 911 GT3 RS: Usable daily if you accept its extreme, track-bred intensity. For the Porsche 911 GT2 RS: Usable daily if you accept its intensity and turbo lag character.

Ownership: Porsche 911 GT3 RS vs Porsche 911 GT2 RS

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 a Porsche 911 GT2 RS is a serious financial undertaking that rewards enthusiasts with stable, often rising, values. The high cost of maintenance for its bespoke performance components, such as the PCCB brakes and twin-turbo setup, should be factored into the running costs. Insurance is at a hypercar level, matching the vehicle’s elite performance bracket. However, the comprehensive support from Porsche Motorsport makes ownership manageable for those with the appropriate resources. It is a prized asset in any collection, representing a pinnacle of engineering that continues to command respect and value years after its production ceased.

Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 ownership grading, 80 against 78. Characteristic of the Porsche 911 GT3 RS: Strong Porsche reliability and huge collector demand. For the Porsche 911 GT2 RS: Strong Porsche reliability, though the most extreme 911 to maintain. On the wallet the two diverge at £178,000 versus £310,000 — a £132,000 difference, with annual maintenance of £1,700 against £2,200.

More comparisons to explore