Audi RS e-tron GT vs Porsche 911 Turbo S
Compare the Audi RS e-tron GT vs Porsche 911 Turbo S. The Audi RS e-tron GT is £50,000 cheaper. The Porsche 911 Turbo S is 0.5s quicker to 60mph. The Audi RS e-tron GT is more fuel efficient. Full performance, cost & ownership breakdown.
The Audi RS e-tron GT is priced from £125,000, powered by a Dual Electric Motors, producing 637 hp, with 830 Nm of torque, reaching 0-60 mph in 3.1s, a top speed of 155 mph, sent to the road via all-wheel drive. The Porsche 911 Turbo S is priced from £175,000, powered by a 3.8L Twin-Turbo Flat-6, producing 640 hp, with 800 Nm of torque, reaching 0-60 mph in 2.6s, a top speed of 205 mph, sent to the road via all-wheel drive.
The Audi RS e-tron GT offers a 405-litre boot, a usable front boot, runs on electric, returns around 76 mpg, is covered by a 4yr / 50k mi warranty. The Porsche 911 Turbo S offers a 128-litre boot, a usable front boot, runs on petrol, returns around 20 mpg, is covered by a 4yr / 50k mi warranty.
On cost of ownership, the Audi RS e-tron GT is £50,000 cheaper than its rival, the Audi RS e-tron GT costs less in annual maintenance (£1,000 versus £1,800), the Audi RS e-tron GT is the more fuel-efficient choice, a full tank costs around £15 for the Audi RS e-tron GT and £90 for the Porsche 911 Turbo S.
Driving Character: Audi RS e-tron GT vs Porsche 911 Turbo S
The RS e-tron GT leverages 637 hp and instant electric torque to deliver breathtaking acceleration, pinning occupants to their seats with brutal efficiency. The low centre of gravity provided by the battery pack ensures the car remains impressively flat through corners, though the sheer weight of 5139 lbs is occasionally felt in tighter, technical transitions. It lacks the raw, emotive soundtrack of a combustion-engined rival, but compensates with a refined, futuristic chassis that makes covering ground effortless. The two-speed rear gearbox provides a unique mechanical feel, bridging the gap between electric immediacy and high-speed stability.
The Porsche 911 Turbo S utilises a sophisticated AWD system with active torque vectoring that provides staggering, all-weather performance. It feels deceptively rapid, with a chassis control system that masks its immense power through cornering, yet it ultimately insulates the driver more than the GT-spec siblings, prioritizing crushing point-to-point speed over nuanced steering feel.
Head-to-head, the division is clear: the Porsche 911 Turbo S takes our 0-100 driving character grading, 78 against 88. Characteristic of the Audi RS e-tron GT: Immense, silent electric acceleration with quattro-assured composure. For the Porsche 911 Turbo S: Immense, effortless all-wheel-drive pace with real depth of ability. In outright terms it is 637 hp against 640 — a 3 hp gap — and the Porsche 911 Turbo S reaches 60 mph 0.5s sooner.
Interior & Cabin: Audi RS e-tron GT vs Porsche 911 Turbo S
The interior is a high-tech sanctuary, dominated by a driver-focused dashboard and the crisp Audi Virtual Cockpit. Sustainable materials are used throughout, reflecting a modern approach to luxury without compromising on build quality or feel. The digital interfaces are intuitive, though the reliance on touch-sensitive controls for certain functions can be less tactile than physical buttons while on the move. Space is ample for four adults, and the dual-screen setup creates a sophisticated, connected environment that feels perfectly suited for a high-performance electric tourer. It is a cabin that successfully blends traditional Audi craftsmanship with progressive, forward-thinking technology.
The cabin is remarkably refined for such a potent machine, making it a genuinely usable daily GT car. It features the signature Sport Chrono dial and luxury seating, with all technology packages seamlessly integrated. While the material quality is high, it lacks the bespoke flair or artisanal material choices found in certain Italian rivals at this price point.
Head-to-head, the division is clear: the Audi RS e-tron GT takes our 0-100 interior & cabin grading, 86 against 84. Characteristic of the Audi RS e-tron GT: Premium, minimalist cabin with excellent tech integration. For the Porsche 911 Turbo S: Supportive, comfortable seats and modern, user-friendly cabin.
Daily Usability: Audi RS e-tron GT vs Porsche 911 Turbo S
Practicality is a strong suit for the RS e-tron GT, offering a 405L boot plus additional storage in the front trunk, making it an excellent daily prospect. The ride is firm in Dynamic mode but remains composed enough for long-distance cruising, absorbing motorway imperfections with ease. Charging is a simple affair, with fast-charging capabilities allowing for 80% replenishment in just over twenty minutes, significantly increasing the vehicle's real-world usability. It is a highly capable machine for routine errands and long-distance touring, provided the driver is aware of the low stance and the necessity of managing battery capacity on longer jaunts.
As the most practical 911 variant, the Turbo S offers genuine all-season confidence thanks to its AWD architecture. Its clever combination of a front boot and rear storage allows for meaningful luggage space, though the expansive body width can create significant challenges in tight urban environments. Furthermore, its sheer performance demands regular attention to tyre wear.
Head-to-head, the division is clear: the Porsche 911 Turbo S takes our 0-100 daily usability grading, 80 against 90. Characteristic of the Audi RS e-tron GT: Comfortable, quiet, effortless daily EV with real usability. For the Porsche 911 Turbo S: The most daily-usable supercar on sale — comfortable, quiet, easy to place. that means 405 litres of boot space against 128, and everyday running costs that favour the Audi RS e-tron GT at the pumps.
Ownership: Audi RS e-tron GT vs Porsche 911 Turbo S
Ownership of this EV is relatively straightforward, as the simplicity of the electric drivetrain results in lower annual maintenance costs than its internal combustion rivals. The four-year, 50k mile warranty provides a solid foundation for peace of mind, though long-term battery health remains a key consideration for high-mileage users. The RS e-tron GT benefits from the extensive Audi dealer and charging network, making it one of the most accessible high-performance EVs on the market. While residual values for luxury EVs remain volatile, the model’s performance and build quality help maintain a solid market position among modern, tech-focused buyers.
Maintaining a stellar reputation for reliability, this model remains a benchmark for high-performance usability. It commands premium residuals in the used market, consistently holding its value well. However, prospective owners must account for high annual maintenance costs, with the complex PDK transmission and AWD system adding significant weight to long-term service intervals compared to simpler sports cars.
Head-to-head, the division is clear: the Porsche 911 Turbo S takes our 0-100 ownership grading, 82 against 88. Characteristic of the Audi RS e-tron GT: Low running costs typical of an EV, strong warranty coverage. For the Porsche 911 Turbo S: Exceptionally reliable for a car with supercar performance. On the wallet the two diverge at £125,000 versus £175,000 — a £50,000 difference, with annual maintenance of £1,000 against £1,800.