The Maserati GranTurismo I Sport 4.7 V8 (460 Hp) represents a high-performance iteration of the GranTurismo line, produced between 2012 and 2017. Positioned as a more focused and dynamic version of the already luxurious GranTurismo, the Sport model aimed to deliver a more engaging driving experience without sacrificing the comfort and elegance expected of a Maserati. It falls within the first generation (GranTurismo I) of the modern GranTurismo, based on the Maserati M145 platform, and served as a bridge between the standard GranTurismo and the more extreme MC Stradale variant.
Technical Specifications
| Brand | Maserati |
| Model | GranTurismo |
| Generation | GranTurismo I |
| Type (Engine) | Sport 4.7 V8 (460 Hp) |
| Start of production | 2012 |
| End of production | 2017 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (combined) | 15.5 l/100 km (15.2 US mpg, 18.2 UK mpg, 6.5 km/l) |
| CO2 emissions | 360 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.7 sec |
| Acceleration 0 – 62 mph | 4.7 sec |
| Acceleration 0 – 60 mph | 4.5 sec |
| Maximum speed | 300 km/h (186.41 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 4.1 kg/Hp, 244.7 Hp/tonne |
| Weight-to-torque ratio | 3.6 kg/Nm, 276.6 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) |
| 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 | 11.25:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Coolant | 13 l (13.74 US qt | 11.44 UK qt) |
| Kerb Weight | 1880 kg (4144.69 lbs.) |
| Fuel tank capacity | 86 l (22.72 US gal | 18.92 UK gal) |
| Length | 4881 mm (192.17 in.) |
| Width | 1915 mm (75.39 in.) |
| Width including mirrors | 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 track | 1590 mm (62.6 in.) |
| Minimum turning circle | 12.3 m (40.35 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| Front suspension | Double wishbone |
| Rear suspension | Double wishbone |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
Powertrain & Engine Architecture
At the heart of the GranTurismo Sport 4.7 V8 lies Maserati’s 4.7-liter naturally aspirated V8 engine, designated the M145B. This engine is a significant departure from forced induction, relying on a large displacement and sophisticated engineering to deliver its power. The engine features a 90-degree V-angle, contributing to a smooth power delivery and reduced vibrations. It utilizes a direct fuel injection system, optimizing combustion efficiency and responsiveness. The valvetrain employs four valves per cylinder, further enhancing breathing and power output. The 6-speed manual transmission was standard, offering a direct connection between the driver and the engine. This transmission was chosen for its robustness and ability to handle the engine’s substantial torque.
Driving Characteristics
The 460 horsepower and 383 lb-ft of torque, combined with the rear-wheel-drive layout and manual transmission, provide a thrilling driving experience. Acceleration from 0-60 mph takes approximately 4.5 seconds, and the car can reach a top speed of 186 mph. The manual gearbox allows for precise control over the engine’s power band, while the Sport suspension setup (compared to the standard GranTurismo) delivers improved handling and reduced body roll. The gear ratios are tuned for a balance between acceleration and cruising comfort. While not as brutally fast as some contemporary sports cars, the GranTurismo Sport offers a refined and engaging driving experience that prioritizes driver involvement and a connection to the road.
Equipment & Trim Levels
The Sport trim level added several key features to the GranTurismo. Standard equipment included sport seats with increased bolstering, a sport steering wheel, and unique exterior styling cues such as a more aggressive front bumper and side skirts. Interior trim options included leather upholstery with various color combinations, carbon fiber accents, and aluminum pedals. Optional extras included a premium sound system, navigation system, and a sunroof. The Sport model was positioned as the enthusiast’s choice, offering a more dynamic driving experience without sacrificing the luxury and comfort associated with the GranTurismo name.
Chassis & Braking
The GranTurismo I utilizes a double-wishbone suspension setup at both the front and rear, providing a comfortable ride and precise handling. The Sport model featured a slightly stiffer suspension tuning and a lower ride height compared to the standard GranTurismo. Braking duties are handled by ventilated discs at all four corners, providing ample stopping power. The car is equipped with an Anti-lock Braking System (ABS) as standard, enhancing safety and control during hard braking. The chassis is constructed from a combination of steel and aluminum, balancing rigidity and weight savings.
Market Reception & Comparison
The GranTurismo Sport 4.7 V8 was generally well-received by automotive critics. It was praised for its beautiful design, luxurious interior, and engaging driving experience. However, its fuel economy was often criticized, with the 15.2 US mpg combined rating being relatively poor compared to other cars in its class. Compared to the standard GranTurismo, the Sport model offered a more focused and dynamic driving experience, but at the expense of some ride comfort. Compared to the more extreme MC Stradale, the Sport model offered a better balance between performance and everyday usability.
Legacy
The Maserati GranTurismo I Sport 4.7 V8 remains a desirable grand tourer in the used car market. The naturally aspirated V8 engine is known for its reliability, although regular maintenance is essential. The car’s timeless design and luxurious interior continue to appeal to enthusiasts. While fuel economy is a concern, the GranTurismo Sport offers a unique and rewarding driving experience that sets it apart from more modern, technologically advanced sports cars. Its status as a classic Italian grand tourer is steadily growing, and well-maintained examples are likely to appreciate in value over time.
