The Maserati GranCabrio Sport 4.7 V8 (460 Hp) Automatic, produced between 2012 and 2017, represents a compelling blend of Italian luxury and high-performance motoring within the GranCabrio lineage. Positioned as a mid-to-high-range offering within the first generation (2007-2019) GranCabrio series, this variant aimed to deliver a more engaging driving experience than the standard GranCabrio, while retaining the open-air enjoyment of a convertible. It built upon the success of the GranTurismo coupe, offering a similar level of refinement and performance in a drop-top format. The “Sport” designation signified enhancements to both the engine and chassis, creating a more focused driving experience.
Technical Specifications
| Brand | Maserati |
| Model | GranCabrio |
| Generation | GranCabrio I |
| Type (Engine) | Sport 4.7 V8 (460 Hp) Automatic |
| Start of production | 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 22.5 l/100 km (10.5 US mpg, 12.6 UK mpg, 4.4 km/l) |
| Fuel consumption (extra urban) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel consumption (combined) | 14.5 l/100 km (16.2 US mpg, 19.5 UK mpg, 6.9 km/l) |
| CO2 emissions | 337 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 5 sec |
| Acceleration 0 – 62 mph | 5 sec |
| Acceleration 0 – 60 mph | 4.8 sec |
| Maximum speed | 285 km/h (177.09 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 4.3 kg/Hp, 232.3 Hp/tonne |
| Weight-to-torque ratio | 3.8 kg/Nm, 262.6 Nm/tonne |
| Power | 460 Hp @ 7000 rpm |
| Power per litre | 98.1 Hp/l |
| Torque | 520 Nm @ 4750 rpm (383.53 lb.-ft. @ 4750 rpm) |
| Maximum engine speed | 7200 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M145B |
| Engine displacement | 4691 cm3 (286.26 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 94 mm (3.7 in.) |
| Piston Stroke | 84.5 mm (3.33 in.) |
| Compression ratio | 11.3:1 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Coolant capacity | 13 l (13.74 US qt | 11.44 UK qt) |
| Kerb Weight | 1980 kg (4365.15 lbs.) |
| Max. weight | 2350 kg (5180.86 lbs.) |
| Max load | 370 kg (815.71 lbs.) |
| Trunk (boot) space – minimum | 173 l (6.11 cu. ft.) |
| Fuel tank capacity | 75 l (19.81 US gal | 16.5 UK gal) |
| Length | 4881 mm (192.17 in.) |
| Width | 1915 mm (75.39 in.) |
| Width with mirrors folded | 2056 mm (80.94 in.) |
| Height | 1353 mm (53.27 in.) |
| Wheelbase | 2942 mm (115.83 in.) |
| Front track | 1586 mm (62.44 in.) |
| Rear (Back) track | 1590 mm (62.6 in.) |
| Front overhang | 873 mm (34.37 in.) |
| Rear overhang | 1066 mm (41.97 in.) |
| Minimum turning circle | 12.3 m (40.35 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 6 |
| Gearbox type | Automatic transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
Powertrain & Engine Architecture
At the heart of the GranCabrio Sport 4.7 lies Maserati’s M145B 4.7-liter V8 engine. This naturally aspirated powerplant is a direct descendant of the engine developed in collaboration with Ferrari, sharing many architectural similarities. It features a 90-degree V-angle, dry-sump lubrication, and four overhead camshafts operating four valves per cylinder. The engine utilizes direct fuel injection, optimizing combustion efficiency and contributing to its high power output. The 460 horsepower peak is achieved at 7,000 rpm, while the substantial 520 Nm (383.53 lb-ft) of torque is available at 4,750 rpm. This broad torque curve provides strong acceleration throughout the rev range. The engine is mated to a ZF six-speed automatic transmission, specifically tuned for the GranCabrio to provide smooth shifts and responsive performance. While not the fastest shifting automatic available at the time, it prioritized comfort and refinement, aligning with the GranCabrio’s grand touring character.
Driving Characteristics
The GranCabrio Sport 4.7 Automatic delivers a distinctly engaging driving experience, particularly when compared to the standard GranCabrio. The Sport variant benefits from a slightly revised suspension setup, offering improved body control and reduced roll during cornering. The automatic transmission, while smooth, does slightly diminish the sense of control offered by the available six-speed manual. However, the transmission’s programming is optimized for performance, holding gears longer and downshifting quickly under braking. Acceleration from 0-60 mph takes approximately 4.8 seconds, and the car reaches a top speed of 177 mph. The weight distribution, close to 50/50, contributes to balanced handling. The exhaust note is a signature Maserati characteristic – a deep, resonant rumble that intensifies under acceleration.
Equipment & Trim Levels
The “Sport” trim level included several standard features designed to enhance the driving experience. These typically included sport seats with increased bolstering, a sport steering wheel, aluminum pedal covers, and a more aggressive exterior styling package. Interior upholstery was typically leather, with a range of color options available. Optional extras included a premium sound system, navigation system, and various customization options through Maserati’s “Fuoriserie” program, allowing buyers to personalize their vehicle with unique materials and finishes. The GranCabrio Sport also featured a three-layer fabric convertible top, available in several colors, providing good insulation from the elements.
Chassis & Braking
The GranCabrio I rides on a double-wishbone suspension setup at all four corners, providing a comfortable yet controlled ride. The Sport variant featured stiffer springs and dampers, along with a thicker stabilizer bar, to reduce body roll and improve handling precision. Braking duties are handled by ventilated discs at all four wheels, providing ample stopping power. The car is equipped with an Anti-lock Braking System (ABS) and Electronic Stability Control (ESC) to enhance safety. The steering is a power-assisted rack and pinion system, offering precise and responsive steering feel.
Market Reception & Comparison
The GranCabrio Sport 4.7 V8 Automatic was generally well-received by automotive critics. It was praised for its powerful engine, luxurious interior, and engaging driving dynamics. However, some critics noted the relatively high fuel consumption and the slightly dated automatic transmission compared to newer dual-clutch systems. Compared to the standard GranCabrio, the Sport variant offered a more focused driving experience, appealing to enthusiasts who prioritized performance. Compared to the GranTurismo coupe, the GranCabrio offered a similar level of luxury and performance but with the added enjoyment of open-air motoring. The 4.7-liter V8 offered a compelling alternative to the smaller-displacement engines available in some competing luxury convertibles.
Legacy
The Maserati GranCabrio I Sport 4.7 V8 Automatic remains a desirable grand tourer in the used car market. The naturally aspirated V8 engine is known for its reliability, although regular maintenance is crucial. The ZF automatic transmission is also generally considered robust. However, as with any luxury vehicle, potential buyers should be aware of the cost of parts and repairs. The GranCabrio Sport represents a high point in Maserati’s modern history, offering a unique blend of Italian style, performance, and luxury. Its timeless design and exhilarating driving experience continue to appeal to enthusiasts today.
