Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe
Compare the Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe. The Mercedes-AMG GT 63 4MATIC+ Coupe is £30,000 cheaper. The Mercedes-AMG GT 63 4MATIC+ Coupe is 0.4s quicker to 60mph. The Aston Martin DB12 is more fuel efficient. Full performance, cost & ownership breakdown.
The Aston Martin DB12 is priced from £185,000, powered by a 4.0L Twin-Turbo V8, producing 671 hp, with 800 Nm of torque, reaching 0-62 mph in 3.6 s, a top speed of 202 mph, sent to the road via rear-wheel drive. The Mercedes-AMG GT 63 4MATIC+ Coupe is priced from £155,000, powered by a 4.0L Twin-Turbo V8, producing 577 hp, with 800 Nm of torque, reaching 0-62 mph in 3.2 s, a top speed of 196 mph, sent to the road via all-wheel drive.
The Aston Martin DB12 offers a 262-litre boot, runs on petrol, returns around 23.2 mpg (combined), is covered by a 3 years / unlimited miles (original UK new-car cover) warranty. The Mercedes-AMG GT 63 4MATIC+ Coupe offers a 321-litre boot, runs on petrol, returns around 22 mpg, is covered by a 3 years / unlimited miles (original UK new-car cover) warranty.
On cost of ownership, the Mercedes-AMG GT 63 4MATIC+ Coupe is £30,000 cheaper than its rival, the Mercedes-AMG GT 63 4MATIC+ Coupe costs less in annual maintenance (£3,500 versus £1,600), the Aston Martin DB12 is the more fuel-efficient choice, the Aston Martin DB12 has 78 L fuel tank, the Mercedes-AMG GT 63 4MATIC+ Coupe has 70 L fuel tank.
Driving Character: Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe
The DB12 marks a decisive shift in Aston Martin’s philosophy, moving away from the wallowing nature of its predecessor to embrace true sporting agility. The 671hp AMG-sourced V8 provides muscular, linear power that feels perfectly harnessed by the new nine-speed wet-clutch transmission. While the chassis balance is significantly sharpened, the car retains a sophisticated grand tourer core that isolates occupants from road imperfections. It behaves with composure on winding B-roads, offering steering that feels more connected and precise than previous models, ensuring that while it is an aggressive performer, it remains deeply comfortable over long distances.
The C192 AMG GT63 Coupe uses a 430 kW twin-turbo 4.0-litre V8, delivering 800 Nm through AMG Performance 4MATIC+ all-wheel drive and a nine-speed MCT transmission. Active rear-wheel steering and active roll control support its chassis. The manufacturer quotes 3.2 seconds from 0 to 100 km/h; this must not be presented as a 0-60 mph measurement.
Head-to-head, the division is clear: the Aston Martin DB12 — 671hp AMG V8; more powerful and responsive than the DB11 it replaces; the Mercedes-AMG GT 63 4MATIC+ Coupe — AMG 4.0L bi-turbo V8; exceptional throttle response and emotional delivery. Characteristic of the Aston Martin DB12: Nine-speed wet-clutch gearbox; quickest shifts in Aston Martin history. For the Mercedes-AMG GT 63 4MATIC+ Coupe: AMG Performance 4MATIC+ all-wheel drive, active rear-wheel steering and active roll control support the C192 chassis. In outright terms it is 671 hp against 577 — a 94 hp gap — and the Mercedes-AMG GT 63 4MATIC+ Coupe reaches 60 mph 0.4s sooner.
Interior & Cabin: Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe
Stepping inside the DB12 reveals a transformative leap for the marque, shedding the dated systems of old for a fully contemporary cockpit. The centrepiece is the curved 10.25-inch touchscreen, which offers responsive software and logical navigation, finally bringing the tech suite up to current luxury standards. Materials remain premium, with supple hides and high-quality finishes throughout. However, some traditionalists may lament that the cabin feels less like a bespoke, hand-crafted space and more like a modern, technology-focused office. Despite this evolution, the overall fit and finish are of an exceptionally high order for this segment.
The C192 cabin combines a digital instrument display with an 11.9-inch portrait central touchscreen running MBUX. AMG sports seats are standard; Performance seats are optional. The optional rear seats create a 2+2 layout rather than full-size rear passenger accommodation.
Head-to-head, the division is clear: the Aston Martin DB12 — Completely redesigned interior; most contemporary Aston cabin to date; the Mercedes-AMG GT 63 4MATIC+ Coupe — Long bonnet, short tail design creates distinct, dramatic driving environment. Characteristic of the Aston Martin DB12: Curved 10.25-inch touchscreen; significantly improved tech versus DB11. For the Mercedes-AMG GT 63 4MATIC+ Coupe: AMG sports seats are standard; Performance seats are optional.
Daily Usability: Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe
Practicality in the DB12 is framed by its 2+2 layout and a functional 300-litre boot, which makes it a surprisingly viable option for weekend excursions. While the interior is more ergonomic than earlier Astons, the car’s significant 76.7-inch width demands vigilance in tighter urban environments or narrow parking bays. The ride quality is expertly calibrated, allowing it to glide over broken road surfaces in GT mode without bruising its occupants. It is clearly built for the open road, where its combination of power and usable space makes it a highly capable companion for cross-continental travel.
The C192 has a rear luggage compartment accessed through a large hatch. The manufacturer lists 321 litres, expanding to 675 litres with the applicable rear-seat configuration. The optional 2+2 layout is intended for rear occupants up to 1.50 metres tall.
Head-to-head, the division is clear: the Aston Martin DB12 — 300L boot and 2+2 seating balance sports car focus with GT practicality; the Mercedes-AMG GT 63 4MATIC+ Coupe — The C192 has a 321-litre luggage compartment, expanding to 675 litres with the applicable rear-seat configuration.. Characteristic of the Aston Martin DB12: Comfortable GT modes well calibrated for real-world road quality. For the Mercedes-AMG GT 63 4MATIC+ Coupe: Comfort mode genuinely softens the GT for road use. that means 262 litres of boot space against 321, and everyday running costs that favour the Aston Martin DB12 at the pumps.
Ownership: Aston Martin DB12 vs Mercedes-AMG GT 63 4MATIC+ Coupe
Ownership of the DB12 represents the most polished experience in the history of the DB lineage, with expected reliability levels that finally match its rivals. While the annual maintenance costs remain firmly in the premium category, the backing from the Aston Martin Works network provides extensive support that mitigates the risks of high-performance motoring. As the current benchmark for the brand, it holds a strong position in the market, though prospective owners should factor in high insurance premiums and the inevitable expenses associated with maintaining such a sophisticated, high-output drivetrain over time.
Owning an AMG GT is an investment in the traditional, high-performance V8 heritage of the brand. Residual values remain strong, bolstered by consistent demand from enthusiasts who prize the V8 character. Servicing is handled through the robust Mercedes dealer network, ensuring that specialists are always within reach, though owners must prepare for high costs associated with performance-grade brakes and tyres. Annual maintenance of £1,600 is standard for the class. Insurance costs reflect the car’s high performance and the complexity of its mechanical components, yet the model remains a prized inclusion in the garages of those who value pure engagement.
Head-to-head, the division is clear: the Aston Martin DB12 — Latest generation Aston; best reliability expectation of any DB model; the Mercedes-AMG GT 63 4MATIC+ Coupe — Mercedes dealer network comprehensive; AMG GT well-supported globally. Characteristic of the Aston Martin DB12: Aston Martin Works and wider network both support DB12 comprehensively. For the Mercedes-AMG GT 63 4MATIC+ Coupe: AMG GT has strong used market demand; values hold well. On the wallet the two diverge at £185,000 versus £155,000 — a £30,000 difference, with annual maintenance of £3,500 against £1,600.