Audi RS7 vs Porsche 911 Targa 4 GTS
Compare the Audi RS7 vs Porsche 911 Targa 4 GTS. The Audi RS7 is £40,000 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 Audi RS7 is priced from £105,000, powered by a 4.0L Twin-Turbo V8, producing 591 hp, with 800 Nm of torque, reaching 0-60 mph in 3.5s, a top speed of 190 mph, sent to the road via all-wheel drive. The Porsche 911 Targa 4 GTS is priced from £145,000, powered by a 3.0L Twin-Turbo Flat-6, producing 473 hp, with 570 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 Audi RS7 offers a 535-litre boot, folding rear seats, runs on petrol, returns around 24 mpg, is covered by a 3yr / unlimited mi warranty. The Porsche 911 Targa 4 GTS offers a 132-litre boot, a usable front boot, runs on petrol, returns around 26 mpg, is covered by a 4yr / 50k mi warranty.
On cost of ownership, the Audi RS7 is £40,000 cheaper than its rival, the Audi RS7 costs less in annual maintenance (£1,200 versus £1,500), the Porsche 911 Targa 4 GTS is the more fuel-efficient choice, a full tank costs around £90 for the Audi RS7 and £85 for the Porsche 911 Targa 4 GTS.
Driving Character: Audi RS7 vs Porsche 911 Targa 4 GTS
The RS7 occupies a unique space, marrying the brutal acceleration of a 4.0L twin-turbo V8 with the visual drama of a low-slung, sweeping Sportback. With 591 hp and the advanced Quattro system, it delivers devastating straight-line performance that feels relentless and almost telepathic. All-wheel steering is standard, giving this imposing car an agility that defies its substantial weight in the corners. It is a machine designed for covering vast distances at high speed with effortless ease, providing a level of poise that turns even the most demanding road into a manageable ribbon of asphalt.
The Porsche 911 Targa 4 GTS is defined by the versatility of its twin-turbo 3.0L flat-six, which offers a broader, more tractable power delivery than the naturally aspirated engines in the GT stable. Its all-wheel-drive system provides immense confidence, keeping the car composed in challenging conditions. The chassis is well-balanced, though the Targa roof mechanism introduces a weight penalty that slightly softens its cornering agility compared to a coupe. Nevertheless, with PASM and the GTS-tuned sports suspension, it remains a highly capable machine that balances road-going comfort with the sharp dynamics expected of a Porsche sports car.
Head-to-head, the division is clear: the Porsche 911 Targa 4 GTS takes our 0-100 driving character grading, 75 against 82. Characteristic of the Audi RS7: Effortless, quattro-assured pace in a genuinely luxurious package. For the Porsche 911 Targa 4 GTS: The GTS sweet spot in an open-top Targa body with reassuring AWD grip. In outright terms it is 591 hp against 473 — a 118 hp gap — and the Porsche 911 Targa 4 GTS reaches 60 mph 0.2s sooner.
Interior & Cabin: Audi RS7 vs Porsche 911 Targa 4 GTS
The interior is a high-luxury environment, mirroring the technical sophistication of the RS6 but packaged within a more dramatic, coupe-like frame. The Virtual Cockpit Plus provides clear, customisable readouts, while the cabin's materials—ranging from carbon fibre to Valcona leather—exude a premium, tactile quality. Because of the raked roofline, the rear cabin feels more intimate than in the Avant version, sacrificing headroom for a more sporting aesthetic. It is undeniably a driver’s cabin, where every control feels weighted, precise, and purposefully placed to enhance the feeling of being in something truly exclusive.
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 Audi RS7 takes our 0-100 interior & cabin grading, 88 against 84. Characteristic of the Audi RS7: Spacious, premium cabin with excellent tech and comfort. For the Porsche 911 Targa 4 GTS: Comfortable, well-finished cabin with genuine everyday usability.
Daily Usability: Audi RS7 vs Porsche 911 Targa 4 GTS
While the RS7 is undoubtedly a performance vehicle, its Sportback design offers a practical twist. The 535L boot is more than sufficient for typical weekend trips, and the lift-back opening makes loading gear straightforward. Urban use requires awareness; its significant width and low stance mean care is needed in narrow parking structures, though the array of sensors and cameras makes it doable. In Comfort mode, the air suspension does a commendable job of masking road surface harshness, ensuring that urban traffic or motorway cruising is conducted with a sense of refined, whisper-quiet calm.
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 Audi RS7 takes our 0-100 daily usability grading, 82 against 80. Characteristic of the Audi RS7: A genuine luxury daily driver with supercar-embarrassing pace. For the Porsche 911 Targa 4 GTS: Genuinely usable daily 911 with the added versatility of an open roof. that means 535 litres of boot space against 132, 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: Audi RS7 vs Porsche 911 Targa 4 GTS
As a flagship performance model, the RS7 commands a premium in terms of running costs. Fuel consumption is consistent with a high-output V8, and the long-term maintenance requires a dedicated budget for tyres, brakes, and scheduled service checks. Audi’s dealer network ensures that this level of care is easily accessible, and the car's desirable styling keeps residual values firm amongst performance-oriented buyers. It is a car that demands a commitment to its upkeep, but in exchange, it offers an ownership experience defined by style, speed, and the confidence that comes with a top-tier automotive engineering product.
Ownership of the Porsche 911 Targa 4 GTS is bolstered by Porsche’s extensive and highly capable dealer network. Reliability is a strong point, with the well-proven twin-turbo engine and AWD system requiring standard, predictable maintenance. While the Targa roof mechanism adds a layer of technical complexity that could lead to higher long-term maintenance costs, the model's consistent popularity with enthusiasts ensures stable residual values. With a comprehensive four-year warranty, owners can enjoy the car with confidence, knowing they have a reliable, multi-talented vehicle that excels in almost every category of performance and daily usage.
Head-to-head, the division is clear: the Porsche 911 Targa 4 GTS takes our 0-100 ownership grading, 75 against 80. Characteristic of the Audi RS7: Strong owner-reported reliability (4.7/5 per KBB after 50k miles). For the Porsche 911 Targa 4 GTS: Strong Porsche reliability reputation and broad dealer network. On the wallet the two diverge at £105,000 versus £145,000 — a £40,000 difference, with annual maintenance of £1,200 against £1,500, and warranty cover of 3yr / unlimited mi versus 4yr / 50k mi.