Aston Martin DBX707 vs Porsche 911 S/T
Compare the Aston Martin DBX707 vs Porsche 911 S/T. The Aston Martin DBX707 is £18,000 cheaper. The Aston Martin DBX707 is 0.4s quicker to 60mph. The Porsche 911 S/T 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 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 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 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 Aston Martin DBX707 is £18,000 cheaper than its rival, the Aston Martin DBX707 costs less in annual maintenance (£1,700 versus £1,800), the Porsche 911 S/T is the more fuel-efficient choice, a full tank costs around £100 for the Aston Martin DBX707 and £85 for the Porsche 911 S/T.
Driving Character: Aston Martin DBX707 vs Porsche 911 S/T
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 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 S/T takes our 0-100 driving character grading, 78 against 97. Characteristic of the Aston Martin DBX707: Startlingly quick and composed for a two-tonne-plus SUV. 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 707 hp against 525 — a 182 hp gap — and the Aston Martin DBX707 reaches 60 mph 0.4s sooner.
Interior & Cabin: Aston Martin DBX707 vs Porsche 911 S/T
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.
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 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 S/T: Lightweight, motorsport-flavoured cabin with genuine everyday habitability.
Daily Usability: Aston Martin DBX707 vs Porsche 911 S/T
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.
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 Aston Martin DBX707 takes our 0-100 daily usability grading, 82 against 55. Characteristic of the Aston Martin DBX707: Genuinely practical family SUV with supercar-baiting pace. For the Porsche 911 S/T: More usable daily than a GT3 RS thanks to the single-mass flywheel manual. that means 632 litres of boot space against 100, and everyday running costs that favour the Porsche 911 S/T at the pumps.
Ownership: Aston Martin DBX707 vs Porsche 911 S/T
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 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, 62 against 82. Characteristic of the Aston Martin DBX707: Strong demand keeps residuals healthy. For the Porsche 911 S/T: Instant collector status as a manual-only, ultra-limited 911. On the wallet the two diverge at £210,000 versus £410,000 — a £200,000 difference, with annual maintenance of £1,700 against £1,800, and warranty cover of 3yr / unlimited mi versus 4yr / 50k mi.