The Maserati GranSport 4.2 i V8 32V, produced between 2004 and 2007, represents a pivotal moment in Maserati’s history, bridging the gap between the traditional luxury grand tourer and a more focused, driver-oriented sports car. Positioned as the performance variant of the Maserati Coupé and Spyder, the GranSport aimed to deliver a more visceral and engaging driving experience. It was built upon the 3200 GT/C platform, but with significant mechanical and aesthetic upgrades. This model year marked a return to Maserati’s racing heritage, emphasizing handling and power. The GranSport was primarily marketed towards enthusiasts seeking a high-performance Italian sports car with a distinct character, competing with vehicles like the Porsche 911 and Aston Martin DB9.
Technical Specifications
| Brand | Maserati |
| Model | GranSport |
| Generation | GranSport |
| Type (Engine) | 4.2 i V8 32V (400 Hp) |
| Start of production | 2004 |
| End of production | 2007 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.85 sec |
| Acceleration 0 – 62 mph | 4.85 sec |
| Acceleration 0 – 60 mph | 4.6 sec |
| Maximum speed | 290 km/h (180.2 mph) |
| Weight-to-power ratio | 4.2 kg/Hp, 238.1 Hp/tonne |
| Weight-to-torque ratio | 3.7 kg/Nm, 268.5 Nm/tonne |
| Power | 400 Hp @ 7000 rpm |
| Power per litre | 94.3 Hp/l |
| Torque | 451 Nm @ 4500 rpm (332.64 lb.-ft. @ 4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M138P |
| Engine displacement | 4244 cm3 (258.98 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 92 mm (3.62 in.) |
| Piston Stroke | 79.8 mm (3.14 in.) |
| Compression ratio | 11:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 9 l (9.51 US qt | 7.92 UK qt) |
| Coolant | 11.5 l (12.15 US qt | 10.12 UK qt) |
| Kerb Weight | 1680 kg (3703.77 lbs.) |
| Max. weight | 2060 kg (4541.52 lbs.) |
| Max load | 380 kg (837.76 lbs.) |
| Trunk (boot) space – minimum | 315 l (11.12 cu. ft.) |
| Fuel tank capacity | 88 l (23.25 US gal | 19.36 UK gal) |
| Length | 4523 mm (178.07 in.) |
| Width | 1822 mm (71.73 in.) |
| Height | 1295 mm (50.98 in.) |
| Wheelbase | 2660 mm (104.72 in.) |
| Front track | 1525 mm (60.04 in.) |
| Rear (Back) track | 1538 mm (60.55 in.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 235/35 R19; 265/30 R19 |
| Wheel rims size | 8J x 19; 9.5J x 19 |
Powertrain & Engine Architecture
At the heart of the GranSport 4.2 lies the M138P engine, a 4.2-liter naturally aspirated V8. This engine is a significant evolution of the earlier 4.2-liter unit found in the Maserati Coupé, featuring revised intake and exhaust systems, optimized engine management software, and a higher compression ratio. The engine utilizes a multi-port fuel injection system and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine produces 400 horsepower at 7,000 rpm and 451 Nm (332.64 lb-ft) of torque at 4,500 rpm. The GranSport exclusively came with a six-speed manual transmission, a deliberate choice to enhance the driving experience and appeal to purists. This transmission is known for its precise shifts and robust construction. The engine is longitudinally mounted, driving the rear wheels.
Driving Characteristics
The GranSport 4.2 delivers a distinctly sporty driving experience. The combination of the powerful V8 engine and the six-speed manual transmission provides exhilarating acceleration. The 0-60 mph sprint is achieved in approximately 4.6 seconds, and the car boasts a top speed of 180.2 mph. The manual gearbox allows for precise control over the engine’s power band, while the rear-wheel-drive configuration contributes to a balanced and engaging handling characteristic. Compared to the automatic versions of the Coupé, the GranSport feels significantly more responsive and connected to the driver. The suspension is tuned for performance, offering a firm but controlled ride. While not as overtly comfortable as some grand tourers, the GranSport prioritizes handling and driver feedback.
Equipment & Trim Levels
The GranSport came generously equipped, reflecting its position as the flagship model. Standard features included leather upholstery, power-adjustable seats, automatic climate control, a premium audio system, and bi-xenon headlights. Unique to the GranSport were carbon fiber interior trim elements, sport seats with more aggressive bolstering, and a distinctive front grille. Optional extras included a navigation system, upgraded leather options, and a variety of exterior color choices. The interior design emphasized a blend of luxury and sportiness, with a driver-focused layout and high-quality materials.
Chassis & Braking
The GranSport utilizes a steel chassis with independent suspension all around. The front suspension employs coil springs and wishbones, while the rear features a similar setup. The braking system consists of ventilated discs on all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) is standard. The GranSport’s chassis was further refined compared to the standard Coupé, with stiffer springs and dampers to improve handling. The car rides on 19-inch alloy wheels, fitted with performance tires (235/35 R19 front, 265/30 R19 rear).
Market Reception & Comparison
The Maserati GranSport 4.2 was generally well-received by automotive critics. It was praised for its powerful engine, engaging driving dynamics, and distinctive Italian styling. However, some reviewers noted that the interior quality, while luxurious, didn’t quite match that of its German rivals. Compared to the standard Maserati Coupé, the GranSport offered a significantly more focused and rewarding driving experience. The manual transmission was a key differentiator, appealing to enthusiasts who preferred a more involved driving experience. Fuel economy was typical for a high-performance V8, averaging around 14 mpg in city driving and 21 mpg on the highway. Reliability was generally good, although maintenance costs could be high due to the car’s exotic nature and the need for specialized parts.
Legacy
The Maserati GranSport 4.2 i V8 32V represents a high point in Maserati’s modern history. It successfully blended Italian passion with genuine performance, creating a sports car that was both luxurious and engaging. Today, the GranSport is a sought-after vehicle among collectors and enthusiasts. The M138P engine is known for its durability, but regular maintenance is crucial to ensure its longevity. The car’s distinctive styling and engaging driving dynamics continue to appeal to those seeking a unique and rewarding driving experience. While maintenance can be expensive, the GranSport offers a compelling alternative to more mainstream sports cars, providing a taste of Italian automotive artistry.
