The Maserati Kyalami 4.2, produced between 1976 and 1983, represents a high point in the Italian manufacturer’s grand touring tradition. This coupe, a successor to the earlier Kyalami models, was designed by Marcello Gandini of Bertone and quickly became known for its striking aesthetics and potent performance. The 4.2-liter variant was the definitive version of the Kyalami, offering a significant power upgrade over its predecessors and solidifying its position as a competitor to other luxury GT cars of the era, such as the Ferrari Daytona and Lamborghini Urraco. It was primarily marketed towards discerning drivers seeking a blend of Italian style, performance, and exclusivity, largely in Europe and select international markets.
Technical Specifications
| Brand | Maserati |
| Model | Kyalami |
| Generation | Kyalami |
| Type (Engine) | 4.2 (270 Hp) |
| Start of production | 1976 |
| End of production | 1983 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (combined) | 12.8 l/100 km (18.4 US mpg, 22.1 UK mpg, 7.8 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 241 km/h (149.75 mph) |
| Weight-to-power ratio | 5.7 kg/Hp, 174.2 Hp/tonne |
| Weight-to-torque ratio | 4 kg/Nm, 252.9 Nm/tonne |
| Power | 270 Hp @ 6000 rpm |
| Power per litre | 65.3 Hp/l |
| Torque | 392 Nm @ 3800 rpm (289.12 lb.-ft. @ 3800 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | AM129 |
| Engine displacement | 4136 cm3 (252.39 cu. in.) |
| Number of cylinders | 8 |
| Engine configuration | V-engine |
| Cylinder Bore | 88 mm (3.46 in.) |
| Piston Stroke | 85 mm (3.35 in.) |
| Compression ratio | 8.5:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Kerb Weight | 1550 kg (3417.17 lbs.) |
| Trunk (boot) space – minimum | 467 l (16.49 cu. ft.) |
| Fuel tank capacity | 100 l (26.42 US gal | 22 UK gal) |
| Length | 4580 mm (180.31 in.) |
| Width | 1850 mm (72.83 in.) |
| Height | 1270 mm (50 in.) |
| Wheelbase | 2600 mm (102.36 in.) |
| Front track | 1530 mm (60.24 in.) |
| Rear (Back) track | 1530 mm (60.24 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 | 5 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/70 R15 |
| Wheel rims size | 7.5J x 15 |
Powertrain & Engine Architecture
The heart of the Kyalami 4.2 is its 4.2-liter, naturally aspirated V8 engine, designated the AM129. This engine is a 90-degree V8, featuring a cast iron block and aluminum cylinder heads. Unlike later Maserati engines which embraced fuel injection, the AM129 utilized three Weber 38 DCOE carburetors, a design choice that contributed to its raw, mechanical feel. The engine boasts a relatively modest 8.5:1 compression ratio. The double overhead camshafts (DOHC) operate four valves per cylinder, enhancing breathing and contributing to the engine’s high-end power. The engine’s output of 270 horsepower at 6,000 rpm and 392 Nm (289 lb-ft) of torque at 3,800 rpm provided spirited performance. The engine is mounted longitudinally in the front of the car, driving the rear wheels. The standard transmission was a five-speed manual gearbox, providing precise control over the engine’s power.
Driving Characteristics
The Kyalami 4.2 delivers a classic grand touring experience. The 5-speed manual transmission allows the driver to fully exploit the V8’s powerband. Acceleration is strong, with a 0-60 mph time of around 5.5 seconds and a top speed of 149.75 mph. The carbureted engine requires a degree of finesse; it doesn’t offer the instant throttle response of modern fuel-injected engines, but it rewards skilled drivers with a thrilling surge of power as the revs climb. The steering is direct and communicative, providing good feedback from the road. The suspension, while comfortable enough for long journeys, is firm enough to provide confident handling in corners. The car’s weight of 3417 lbs is noticeable, but the powerful V8 mitigates this somewhat.
Equipment & Trim Levels
The Kyalami 4.2 was relatively well-equipped for its time, though options were available to further enhance the luxury and comfort. Standard features included leather upholstery, power windows, and a wood-rimmed steering wheel. Air conditioning was a common option. The interior design was typically Italian, with a focus on style and elegance. Dashboard layout was driver-focused, with clearly marked gauges. The Kyalami 4.2 didn’t have distinct “trim levels” in the modern sense; customization was often achieved through a la carte options. Buyers could specify different interior color schemes, wheel designs, and audio systems.
Chassis & Braking
The Kyalami 4.2 utilizes a steel monocoque chassis, providing a good balance of strength and rigidity. Suspension consists of independent coil springs all around. The braking system features ventilated discs on all four wheels, providing ample stopping power. Hydraulic power steering is standard, making the car relatively easy to maneuver at low speeds. The car rides on 7.5J x 15 inch wheels, fitted with 205/70 R15 tires.
Market Reception & Comparison
The Kyalami 4.2 was generally well-received by automotive critics. It was praised for its stunning design, powerful engine, and engaging driving experience. However, some critics noted the car’s relatively high price and the complexity of maintaining a carbureted V8 engine. Compared to the earlier Kyalami models, the 4.2 offered a significant performance improvement. Compared to its rivals, such as the Ferrari Daytona, the Kyalami 4.2 offered a similar level of performance at a slightly lower price point, but lacked the prestige of the Ferrari badge. Fuel economy, at 18.4 US mpg, was typical for a high-performance GT car of the era, but relatively poor by modern standards.
Legacy
The Maserati Kyalami 4.2 remains a highly sought-after classic car today. Its striking design and potent V8 engine continue to appeal to collectors and enthusiasts. While the carbureted engine can require more maintenance than modern fuel-injected engines, the AM129 is generally considered to be a robust and reliable unit when properly maintained. Parts availability can be a challenge, but a dedicated network of specialists exists to support Kyalami owners. The Kyalami 4.2 represents a unique chapter in Maserati’s history, embodying the Italian marque’s commitment to style, performance, and exclusivity. Values for well-maintained examples have been steadily increasing in recent years, reflecting the car’s growing desirability and historical significance.

