Aston Martin Vantage vs Porsche 718 Cayman GT4
Compare the Aston Martin Vantage vs Porsche 718 Cayman GT4. The Porsche 718 Cayman GT4 is £42,900 cheaper. The Aston Martin Vantage is 0.8s quicker to 60mph. The Porsche 718 Cayman GT4 is more fuel efficient. Full performance, cost & ownership breakdown.
The Aston Martin Vantage is priced from £120,900, powered by a 4.0L Twin-Turbo V8, producing 503 hp, with 685 Nm of torque, reaching 0-62 mph in 3.6 s, a top speed of 195 mph, sent to the road via rear-wheel drive. The Porsche 718 Cayman GT4 is priced from £84,000, powered by a 4.0L Flat-6, producing 414 hp, with 420 Nm of torque, reaching 0-62 mph in 4.4 s, a top speed of 188 mph, sent to the road via rear-wheel drive.
The Aston Martin Vantage offers a 350-litre boot, runs on petrol, returns around 25mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty. The Porsche 718 Cayman GT4 offers a 150-litre boot, a usable front boot, runs on petrol, returns around 25 mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty.
On cost of ownership, the Porsche 718 Cayman GT4 is £42,900 cheaper than its rival, the Aston Martin Vantage costs less in annual maintenance (£900 versus £1,100), the Aston Martin Vantage has 73 L fuel tank, the Porsche 718 Cayman GT4 has 64 L fuel tank.
Driving Character: Aston Martin Vantage vs Porsche 718 Cayman GT4
The Vantage utilizes a 4.0L twin-turbo V8 to deliver a punchy 503 hp that defines its boisterous character. Its short wheelbase and wide track create a nimble, almost twitchy handling profile that demands constant input from the driver. The steering is direct, and the rear-wheel-drive architecture allows for significant adjustability through corners, though the traction control often intervenes aggressively in wet conditions to manage the 685 Nm of torque. It is a sports car that rewards experienced hands, trading absolute refinement for an engaging, visceral experience that feels decidedly more muscular than many of its rivals.
The Porsche 718 Cayman GT4 is the definition of chassis purity, pairing a naturally aspirated 4.0-litre flat-six with a mid-engine layout that offers near-perfect neutrality. The 414hp delivery is linear and predictable, allowing for precise throttle modulation through technical sections of track. The manual gearbox is a highlight, featuring short, mechanical throws that engage the driver completely. While it lacks the raw top-end speed of 911-based variants, the balanced chassis and communicative steering allow it to carry immense cornering speed, making it an exceptionally rewarding tool for those who value driver input over outright power figures.
Head-to-head, the division is clear: the Aston Martin Vantage — Mercedes-AMG V8 with Aston tuning; sharp throttle and dramatic mid-range torque; the Porsche 718 Cayman GT4 — 4.0L naturally aspirated flat-six; mid-engine architecture provides exceptional balance during corner entry. Characteristic of the Aston Martin Vantage: Electronic rear differential enables progressive, adjustable oversteer balance. For the Porsche 718 Cayman GT4: Direct steering response; high-grade chassis hardware encourages precise lines on technical circuits. In outright terms it is 503 hp against 414 — a 89 hp gap — and the Aston Martin Vantage reaches 60 mph 0.8s sooner.
Interior & Cabin: Aston Martin Vantage vs Porsche 718 Cayman GT4
The interior is a focused, driver-centric environment, though the reliance on older-generation Mercedes-Benz switchgear is increasingly apparent against modern standards. The cabin is trimmed in high-quality Alcantara and leather, conveying a sense of purpose rather than pure opulence. The rotary infotainment controller is functional but lacks the slickness of current touchscreen interfaces. While the driving position is low and perfectly suited for spirited work, some materials in the lower dashboard areas lack the premium feel one might expect given the brand’s positioning. Practicality is limited, yet the space feels appropriate for a focused sports machine.
The cabin prioritises function, stripping away unnecessary luxuries in favour of an Alcantara-lined environment that feels race-ready. The Sport Seats Plus provide excellent lateral support during spirited driving, while the minimalist dashboard design ensures the focus remains entirely on the road ahead. Given its track-focused intent, the cabin storage is sparse and the rear seating area is replaced by a structural strut brace. It is a clean, purposeful space, though some may find the lack of comfort-oriented features a challenge for long-distance touring, fitting perfectly with the model's lightweight, enthusiast-oriented persona.
Head-to-head, the division is clear: the Aston Martin Vantage — Hand-stitched leather throughout; genuine Gaydon craftsmanship; the Porsche 718 Cayman GT4 — Ergonomic control placement; steering wheel diameter and shifter position offer natural driver connection. Characteristic of the Aston Martin Vantage: Compact, driver-focused cockpit; excellent ergonomics for extended use. For the Porsche 718 Cayman GT4: Alcantara upholstery and brushed aluminium; functional cabin design favours long-term material durability.
Daily Usability: Aston Martin Vantage vs Porsche 718 Cayman GT4
Daily usability is a mixed bag, with the Vantage excelling on open roads while requiring caution in urban settings. The front trunk provides a modest 325L of storage, which is surprisingly practical for short trips, provided one watches the low front splitter on kerbs and speed bumps. The ride is notably firm, especially in Sport mode, which can be fatiguing over longer distances on poor road surfaces. However, for a high-performance sports car, its compact dimensions make it relatively easy to place in traffic, provided the driver is mindful of the wide bodywork during parking.
Utility is a standout feature, as the combination of front and rear trunks allows for surprising storage capacity, making the GT4 a versatile choice for weekend touring. Its compact dimensions make it relatively easy to navigate through tight city streets, although the low front splitter demands care over speed bumps and steep inclines. The suspension is firm, bordering on harsh for daily use in Sport mode, though it remains composed enough for the committed driver. It manages to balance track-ready performance with sufficient real-world practicality, provided the owner is prepared for a more rigorous ride quality.
Head-to-head, the division is clear: the Aston Martin Vantage — 350L boot excellent for the segment; practical for a sports car; the Porsche 718 Cayman GT4 — Dual luggage compartments; combined 150L boot and front trunk facilitate extended touring capability. Characteristic of the Aston Martin Vantage: Ride in GT mode civilised; more usable day-to-day than track-focused rivals. For the Porsche 718 Cayman GT4: 115 mm ground clearance provides utility; ride quality remains acceptable for occasional spirited driving. that means 350 litres of boot space against 150, plus a usable front boot in the Porsche 718 Cayman GT4.
Ownership: Aston Martin Vantage vs Porsche 718 Cayman GT4
The ownership proposition of the Vantage has improved significantly, with an expanding dealer network that makes servicing more accessible than in previous years. Maintenance costs are relatively modest at £900 annually, though turbo-related upkeep can add up as the car ages. The Vantage badge retains considerable brand cachet, which keeps residual values strong in the competitive sports car market. It remains a popular choice for those who want a blend of heritage, performance, and day-to-day usability without the extreme costs associated with the ultra-luxury, low-volume models in the Aston Martin stable.
Porsche ownership provides a reliable and extensive dealer network, ensuring that the Cayman GT4 is well-supported throughout its life. As a naturally aspirated model, the GT4 has retained significant residual value, making it a sound financial proposition for enthusiasts. Servicing intervals are well-defined, and while specific GT4 components might require longer lead times, the mechanical robustness of the 4.0-litre engine offers peace of mind. It remains a model with a dedicated community and strong factory support, ensuring that this iteration of the Cayman will remain a coveted machine for years to come.
Head-to-head, the division is clear: the Aston Martin Vantage — Improved reliability record in new generation; three-year warranty standard; the Porsche 718 Cayman GT4 — Global parts availability; Porsche mechanical systems offer relative longevity for such performance. Characteristic of the Aston Martin Vantage: Aston Martin network expanding; service support more accessible than before. For the Porsche 718 Cayman GT4: Consistent residual value; popular status ensures liquidity in the pre-owned sports car market. On the wallet the two diverge at £120,900 versus £84,000 — a £36,900 difference, with annual maintenance of £900 against £1,100.