Aston Martin DBX707 vs Porsche 911 GT2 RS
Compare the Aston Martin DBX707 vs Porsche 911 GT2 RS. The Aston Martin DBX707 is £35,000 cheaper. The Porsche 911 GT2 RS is 0.6s quicker to 60mph. The Aston Martin DBX707 is more fuel efficient. Full performance, cost & ownership breakdown.
The Aston Martin DBX707 is priced from £210,000, powered by a 4.0L Twin-Turbo V8, producing 707 hp, with 900 Nm of torque, reaching 0-60 mph in 3.3s, a top speed of 193 mph, sent to the road via all-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 Aston Martin DBX707 offers a 632-litre boot, folding rear seats, runs on petrol, returns around 21 mpg, is covered by a 3yr / unlimited 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 Aston Martin DBX707 is £35,000 cheaper than its rival, the Aston Martin DBX707 costs less in annual maintenance (£1,700 versus £2,200), the Aston Martin DBX707 is the more fuel-efficient choice, a full tank costs around £100 for the Aston Martin DBX707 and £90 for the Porsche 911 GT2 RS.
Driving Character: Aston Martin DBX707 vs Porsche 911 GT2 RS
The DBX707 redefines the expectations of a luxury SUV, injecting 707hp of twin-turbo V8 fury into a high-riding chassis that refuses to behave like a typical utility vehicle. With its intelligent all-wheel-drive system and electronic rear differential, it manages to put its immense power down with surprising effectiveness. While it possesses remarkable grip, the physics of its 5071 lbs weight inevitably surface during aggressive cornering. The nine-speed wet-clutch gearbox is snappy, providing gear changes that feel purposeful and sharp, allowing the driver to exploit the engine's 900Nm of torque to its absolute limit with confidence and speed.
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 GT2 RS takes our 0-100 driving character grading, 78 against 95. Characteristic of the Aston Martin DBX707: Startlingly quick and composed for a two-tonne-plus SUV. For the Porsche 911 GT2 RS: The most powerful, most extreme rear-drive 911 - demanding and explosive. In outright terms it is 707 hp against 700 — a 7 hp gap — and the Porsche 911 GT2 RS reaches 60 mph 0.6s sooner.
Interior & Cabin: Aston Martin DBX707 vs Porsche 911 GT2 RS
The interior of the DBX707 is a masterclass in performance luxury, featuring bespoke sport seats and Alcantara detailing that separates it from the standard model. It offers genuine, spacious accommodation for four adults, ensuring that performance does not come at the expense of passenger comfort. However, when compared to the ultra-modern interfaces of the Cayenne or the Urus, the cabin tech feels slightly behind the curve. While the build quality is superb and the materials are quintessentially British, the infotainment system lacks the cutting-edge fluidity of its most direct rivals at this price point.
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 Aston Martin DBX707 takes our 0-100 interior & cabin grading, 85 against 60. Characteristic of the Aston Martin DBX707: Lavish, driver-focused cabin unlike most performance SUV rivals. For the Porsche 911 GT2 RS: Focused, motorsport-flavoured cabin with genuine everyday habitability.
Daily Usability: Aston Martin DBX707 vs Porsche 911 GT2 RS
Practicality is the DBX707’s greatest asset, boasting a 632-litre boot that makes it a legitimate family vehicle capable of swallowing luggage with ease. Its air suspension system with adaptive dampers allows the car to switch seamlessly between a composed, comfortable cruiser and a stiffened, responsive performance machine. While fuel economy is inevitably poor at 21mpg, the trade-off is a level of versatility rarely seen in such a powerful vehicle. It is a car that thrives on variety, handling the school run and high-speed motorways with equal parts ease and effortless, explosive capability.
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 Aston Martin DBX707 takes our 0-100 daily usability grading, 82 against 45. Characteristic of the Aston Martin DBX707: Genuinely practical family SUV with supercar-baiting pace. For the Porsche 911 GT2 RS: Usable daily if you accept its intensity and turbo lag character. that means 632 litres of boot space against 132, plus a usable front boot in the Porsche 911 GT2 RS, and everyday running costs that favour the Aston Martin DBX707 at the pumps.
Ownership: Aston Martin DBX707 vs Porsche 911 GT2 RS
Maintaining a DBX707 is a manageable affair compared to its more exclusive siblings, thanks to the expansion of the Aston Martin dealer network and improved service accessibility. Demand for the vehicle on the used market is robust, driven by the growing appetite for high-performance SUVs, though early depreciation remains a factor for first owners. Tyre costs are significant given the car’s weight and performance, and owners must prepare for the regular attention required by such a high-output platform. Overall, it serves as a reliable, albeit premium-cost, flagship for those needing utility with a supercar-killing powertrain.
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 GT2 RS takes our 0-100 ownership grading, 62 against 78. Characteristic of the Aston Martin DBX707: Strong demand keeps residuals healthy. For the Porsche 911 GT2 RS: Strong Porsche reliability, though the most extreme 911 to maintain. On the wallet the two diverge at £210,000 versus £310,000 — a £100,000 difference, with annual maintenance of £1,700 against £2,200, and warranty cover of 3yr / unlimited mi versus 4yr / 50k mi.