Ferrari Roma vs Porsche 911 GT3 RS

Compare the Ferrari Roma vs Porsche 911 GT3 RS. The Porsche 911 GT3 RS is £17,000 cheaper. The Porsche 911 GT3 RS is 0.4s quicker to 60mph. The Ferrari Roma is more fuel efficient. Full performance, cost & ownership breakdown.

The Ferrari Roma is priced from £195,000, powered by a 3.9L Twin-Turbo V8, producing 612 hp, with 760 Nm of torque, reaching 0-60 mph in 3.4s, a top speed of 199 mph, sent to the road via rear-wheel drive. 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 Ferrari Roma offers a 272-litre boot, runs on petrol, returns around 24 mpg, is covered by a 7yr / unlimited mi warranty. 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.

On cost of ownership, the Porsche 911 GT3 RS is £17,000 cheaper than its rival, both require around £0 per year in maintenance, the Ferrari Roma is the more fuel-efficient choice, a full tank costs around £85 for the Ferrari Roma and £85 for the Porsche 911 GT3 RS.

Driving Character: Ferrari Roma vs Porsche 911 GT3 RS

The Ferrari Roma is designed for the modern gentleman, offering a 3.9L Twin-Turbo V8 that favours refined, broad-shouldered power over the erratic spikes of a track weapon. Its chassis is balanced and fluid, encouraging long, spirited drives across country roads rather than focused track sessions. The steering is direct, yet it avoids the twitchiness found in more aggressive models, providing a relaxing pace that feels perfectly weighted. While it can certainly deliver when provoked, the Roma’s true nature is discovered in its ability to maintain high speeds with a sense of poise and composure that is rarely found in grand tourers.

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.

Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 driving character grading, 78 against 97. Characteristic of the Ferrari Roma: Elegant, GT-focused dynamics rather than outright sports car sharpness. For the Porsche 911 GT3 RS: The most extreme naturally-aspirated 911, drenched in motorsport aero technology. In outright terms it is 612 hp against 518 — a 94 hp gap — and the Porsche 911 GT3 RS reaches 60 mph 0.4s sooner.

Interior & Cabin: Ferrari Roma vs Porsche 911 GT3 RS

The cabin of the Roma is arguably the most elegant interior Ferrari has produced in recent memory. It creates a cocoon-like atmosphere with a 2+ layout that is refined, focusing on high-quality tactile materials rather than just performance metrics. Tech is present, though the infotainment is less cutting-edge than the ultra-modern SF90, which feels appropriate for a car intended for long-distance comfort. The rear seats are suitable for short journeys or extra storage, providing a level of practicality that is often missing from its siblings. It feels like a space designed for the journey, not just for the destination.

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.

Head-to-head, the division is clear: the Ferrari Roma takes our 0-100 interior & cabin grading, 85 against 55. Characteristic of the Ferrari Roma: Beautifully designed, minimalist 2+2 cabin. For the Porsche 911 GT3 RS: Motorsport-focused cabin, similar to the GT3 but more stripped-back.

Daily Usability: Ferrari Roma vs Porsche 911 GT3 RS

For those seeking an everyday Ferrari, the Roma is the standout choice. The 272-litre boot is impressively sized for a front-engine coupe, easily handling luggage for a weekend away. Its longer wheelbase and softer suspension settings make it remarkably comfortable for long hauls, smoothing out road imperfections that would typically unsettle a mid-engine model. In town, it is manageable, although its width still requires care in tight parking structures. Overall, it succeeds as a practical daily driver, balancing enough performance to thrill with the civility required for everyday chores and commutes, making it the most usable model currently available.

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.

Head-to-head, the division is clear: the Ferrari Roma takes our 0-100 daily usability grading, 75 against 45. Characteristic of the Ferrari Roma: Ferrari's most usable, comfortable everyday GT. For the Porsche 911 GT3 RS: Usable daily if you accept its extreme, track-bred intensity. that means 272 litres of boot space against 132, plus a usable front boot in the Porsche 911 GT3 RS, and everyday running costs that favour the Ferrari Roma at the pumps.

Ownership: Ferrari Roma vs Porsche 911 GT3 RS

The Roma is well-supported by Ferrari’s seven-year warranty, providing exceptional peace of mind for those looking to use the car frequently. It is positioned to attract a broader demographic of buyers, including those who may not want a dedicated mid-engine sports car. While residual values are slightly softer than the more extreme models in the lineup due to its status as a grand tourer, the lower cost of maintenance makes it an attractive proposition for long-term ownership. It is an honest, well-engineered vehicle that serves as a solid foundation for those looking to enter the Ferrari ownership experience.

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.

Head-to-head, the division is clear: the Porsche 911 GT3 RS takes our 0-100 ownership grading, 74 against 80. Characteristic of the Ferrari Roma: Strong reliability reputation among modern Ferraris. For the Porsche 911 GT3 RS: Strong Porsche reliability and huge collector demand. On the wallet the two diverge at £195,000 versus £178,000 — a £17,000 difference, with annual maintenance of £0 against £1,700, and warranty cover of 7yr / unlimited mi versus 4yr / 50k mi.

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