Audi RS e-tron GT vs Porsche 911 GT3
Compare the Audi RS e-tron GT vs Porsche 911 GT3. The Audi RS e-tron GT is £18,000 cheaper. The Audi RS e-tron GT is 0.1s 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 0-62 mph in 3.3 s, a top speed of 155 mph, sent to the road via all-wheel drive. The Porsche 911 GT3 is priced from £143,000, powered by a 4.0L Flat-6, producing 502 hp, with 470 Nm of torque, reaching 0-62 mph in 3.4 s, a top speed of 198 mph, sent to the road via rear-wheel drive.
The Audi RS e-tron GT offers a 350-litre boot, a usable front boot, folding rear seats, runs on electric, returns around 76 mpg, is covered by a 3 years / 60,000 miles (original UK cover; first 2 years unlimited) warranty. The Porsche 911 GT3 offers a 132-litre boot, a usable front boot, runs on petrol, returns around 23 mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty.
On cost of ownership, the Audi RS e-tron GT is £18,000 cheaper than its rival, the Audi RS e-tron GT costs less in annual maintenance (£1,000 versus £1,500), the Audi RS e-tron GT is the more fuel-efficient choice, the Audi RS e-tron GT has 83.7 kWh usable battery · 93.4 kWh gross battery, the Porsche 911 GT3 has 64 L fuel tank.
Driving Character: Audi RS e-tron GT vs Porsche 911 GT3
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 GT3 remains the benchmark for naturally aspirated sports cars. Its 4.0L flat-six is a masterpiece of linear power delivery, revving to a crescendo that defines the driving experience. The chassis balance is near perfect, thanks to its sophisticated double-wishbone front suspension, which provides telepathic steering feedback. On the road, it is a demanding partner that requires focus, yet it rewards the driver with an analogue feel that is largely absent from its turbocharged peers. Every gearshift, whether manual or PDK, is crisp and intentional, cementing its position as a true driver-focused machine for the real world.
Head-to-head, the division is clear: the Audi RS e-tron GT — Dual-motor EV with 637hp; 0–100 in 3.1s with silent, relentless delivery; the Porsche 911 GT3 — Naturally aspirated 4.0L flat-six; linear, rev-hungry throttle response. Characteristic of the Audi RS e-tron GT: Four-wheel steering available; actively improves cornering and parking ease. For the Porsche 911 GT3: Communicative steering with genuine road feel; analogue at the limit. In outright terms it is 637 hp against 502 — a 135 hp gap — and the Audi RS e-tron GT reaches 60 mph 0.1s sooner.
Interior & Cabin: Audi RS e-tron GT vs Porsche 911 GT3
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 of the Porsche 911 GT3 is a focused environment, blending high-end technology with a driver-centric design. Alcantara and carbon fibre trim are standard, providing a tactile, high-quality feel that mirrors the car’s track-ready intention. The instrumentation is clear and uncluttered, ensuring that vital information is at the driver's fingertips. While the rear seats are removed to save weight, the front interior remains comfortable enough for a spirited drive across continents. The ergonomics are peerless, placing every control in the perfect position for intuitive use during high-speed operation, reflecting the deep thought Porsche invests in its driver interface.
Head-to-head, the division is clear: the Audi RS e-tron GT — Curved OLED display and digital interior class-leading at launch; the Porsche 911 GT3 — Driver-focused ergonomics; clear, purposeful instrumentation. Characteristic of the Audi RS e-tron GT: Four adult seats with genuine rear legroom; premium EV four-door. For the Porsche 911 GT3: Alcantara and carbon trim; stripped-back but quality materials.
Daily Usability: Audi RS e-tron GT vs Porsche 911 GT3
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.
Despite its hardcore reputation, the Porsche 911 GT3 is surprisingly usable for an enthusiast. The dimensions are well-suited to narrow UK lanes, and the front lift system helps preserve the front bumper over speed humps. While the suspension is undeniably firm, it is well-damped, avoiding the harshness found in more extreme models. Luggage capacity is sufficient for a weekend of touring, with both the front and rear shelf area providing storage. It functions well for urban errands, though the engine’s performance is clearly happiest when given the space to stretch its legs on a challenging back road.
Head-to-head, the division is clear: the Audi RS e-tron GT — 405L boot plus 84L frunk; 489L total — excellent for this class; the Porsche 911 GT3 — Manageable dimensions suit urban environments better than rivals. Characteristic of the Audi RS e-tron GT: Charging infrastructure well matched to long-distance grand touring. For the Porsche 911 GT3: Front trunk and rear boot usable for weekend luggage. that means 350 litres of boot space against 132, and everyday running costs that favour the Audi RS e-tron GT at the pumps.
Ownership: Audi RS e-tron GT vs Porsche 911 GT3
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.
Ownership of the Porsche 911 GT3 is a relatively straightforward affair within the performance car market. The extensive Porsche dealer network provides excellent service coverage, making it easier to maintain than hypercar-level alternatives. Residual values remain exceptionally strong, with demand consistently outstripping supply. Annual maintenance costs are reflective of the performance specification, but parts availability is good. Insurance is manageable for a car of this capability, and the reliability of the naturally aspirated powertrain adds a layer of confidence to the ownership experience. It is a car that makes financial and emotional sense to the dedicated enthusiast.
Head-to-head, the division is clear: the Audi RS e-tron GT — Audi dealer network strong; RS e-tron GT benefits from broad coverage; the Porsche 911 GT3 — Porsche dealer network extensive; service expertise widely available. Characteristic of the Audi RS e-tron GT: Lower running costs versus petrol equivalents; EV servicing lighter. For the Porsche 911 GT3: Exceptional residuals; high enthusiast demand sustains value. On the wallet the two diverge at £125,000 versus £143,000 — a £18,000 difference, with annual maintenance of £1,000 against £1,500, and warranty cover of 3 years / 60,000 miles (original UK cover; first 2 years unlimited) versus 3 years / unlimited miles (original UK new-car cover).