Aston Martin DBX707 vs Porsche 911 Targa 4 GTS
Compare the Aston Martin DBX707 vs Porsche 911 Targa 4 GTS. The Porsche 911 Targa 4 GTS is £65,000 cheaper. The Porsche 911 Targa 4 GTS is 0.2s quicker to 60mph. The Porsche 911 Targa 4 GTS 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 697 hp, with 900 Nm of torque, reaching 0-62 mph in 3.3 s, a top speed of 193 mph, sent to the road via all-wheel drive. The Porsche 911 Targa 4 GTS is priced from £145,000, powered by a 3.6L e-turbo flat-six T-Hybrid, producing 534 hp, with 610 Nm of torque, reaching 0-62 mph in 3.1 s, a top speed of 194 mph, sent to the road via all-wheel drive.
The Aston Martin DBX707 offers a 638-litre boot, folding rear seats, runs on petrol, returns around 21 mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty. The Porsche 911 Targa 4 GTS offers a 135-litre boot, a usable front boot, runs on petrol, returns around 26 mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty.
On cost of ownership, the Porsche 911 Targa 4 GTS is £65,000 cheaper than its rival, the Porsche 911 Targa 4 GTS costs less in annual maintenance (£1,700 versus £1,500), the Porsche 911 Targa 4 GTS is the more fuel-efficient choice, the Aston Martin DBX707 has 87 L fuel tank, the Porsche 911 Targa 4 GTS has 63 L fuel tank.
Driving Character: Aston Martin DBX707 vs Porsche 911 Targa 4 GTS
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 992.2 Targa 4 GTS uses a 3.6-litre flat-six with an electrically assisted exhaust turbocharger and an electric motor integrated into the eight-speed PDK. The combustion engine supplies 357 kW and 570 Nm; combined system output is 398 kW and 610 Nm. All-wheel drive, rear-axle steering and PASM form part of the published chassis specification.
Head-to-head, the division is clear: the Aston Martin DBX707 — 4.0L twin-turbocharged V8 powertrain; produces 707 hp for immense all-wheel drive acceleration; the Porsche 911 Targa 4 GTS — The 992.2 Targa 4 GTS combines a 3.6-litre electrically turbocharged flat-six with T-Hybrid assistance and all-wheel drive.. Characteristic of the Aston Martin DBX707: Dynamic chassis control; actively manages heavy 5071 lbs mass through corners with composure. For the Porsche 911 Targa 4 GTS: Targa roof mechanism; chassis rigidity remains high despite the open-top architectural change. In outright terms it is 697 hp against 534 — a 163 hp gap — and the Porsche 911 Targa 4 GTS reaches 60 mph 0.2s sooner.
Interior & Cabin: Aston Martin DBX707 vs Porsche 911 Targa 4 GTS
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 cabin of the Porsche 911 Targa 4 GTS is dominated by the iconic Targa bar, which provides a unique open-air experience while maintaining structural integrity. The interior is finished to a high standard, with premium materials and the intuitive, driver-centric layout that characterises the 992 generation. While the Targa bar creates a stylish aesthetic, it does restrict rear visibility somewhat. The technology, including the standard Bose audio, is well-integrated and provides a modern feel. It is a sophisticated, high-quality environment that balances luxury with the functional needs of a performance-oriented driver.
Head-to-head, the division is clear: the Aston Martin DBX707 — Luxurious quilted leather upholstery; provides traditional cabin comfort within a high-performance setting; the Porsche 911 Targa 4 GTS — Luxury ergonomics; tech-focused cabin environment balances modern comfort with driver engagement features. Characteristic of the Aston Martin DBX707: Extensive technology interface; integrates digital displays seamlessly into a driver-centric luxury cockpit. For the Porsche 911 Targa 4 GTS: High-quality leather and trim; interior refinement provides a quiet environment when closed.
Daily Usability: Aston Martin DBX707 vs Porsche 911 Targa 4 GTS
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.
Practicality is a major strength of the Porsche 911 Targa 4 GTS, as it offers the security of all-wheel drive and the joy of an open top. This combination makes it a genuinely usable car for all seasons, functioning perfectly as a daily driver. The rear seats offer occasional space for children or extra storage, and the front trunk is surprisingly capacious. While the roof mechanism does impact boot space when fully retracted, the overall design remains very user-friendly. It is a refined, comfortable cruiser that does not sacrifice its sporty character in the pursuit of daily usability.
Head-to-head, the division is clear: the Aston Martin DBX707 — Versatile 632L boot space; folding seats increase cargo capacity for varied family requirements; the Porsche 911 Targa 4 GTS — The manufacturer technical sheet lists 135 litres of front luggage volume; rear stowage is a separate figure.. Characteristic of the Aston Martin DBX707: Generous 195mm ground clearance; allows easy access to diverse terrains and urban obstacles. For the Porsche 911 Targa 4 GTS: 110 mm clearance ensures daily usability; ride quality absorbs common road imperfections well. that means 638 litres of boot space against 135, plus a usable front boot in the Porsche 911 Targa 4 GTS, and everyday running costs that favour the Porsche 911 Targa 4 GTS at the pumps.
Ownership: Aston Martin DBX707 vs Porsche 911 Targa 4 GTS
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.
The 992.2 Targa 4 GTS combines the Targa roof system with the newer T-Hybrid powertrain. Service requirements must be checked against the exact model year and market. Its electric turbocharger and transmission-integrated motor distinguish its servicing needs from the earlier GTS. Warranty and repair costs depend on the applicable contract, vehicle history and market.
Head-to-head, the division is clear: the Aston Martin DBX707 — Comprehensive brand support network; facilitates routine service and warranty care across the globe; the Porsche 911 Targa 4 GTS — Reliable Porsche drivetrain; servicing is supported by a comprehensive dealer network infrastructure. Characteristic of the Aston Martin DBX707: High production output; ensures stable supply of replacement parts for long-term reliability. For the Porsche 911 Targa 4 GTS: Strong resale market; combination of Targa style and GTS performance maintains desirability. On the wallet the two diverge at £210,000 versus £145,000 — a £65,000 difference, with annual maintenance of £1,700 against £1,500.