The Nissan Cedric Y31 3.0i V6, produced between 1987 and 1989, represented a sophisticated iteration of Nissan’s flagship sedan. Positioned as a premium offering within the Y31 generation (1987-1991), this variant catered to buyers seeking a blend of luxury, performance, and refinement. The Y31 Cedric, in general, aimed to compete with Toyota’s Crown and other large sedans, primarily within the Japanese domestic market (JDM). While not widely exported to the United States, the Cedric held a significant position as a status symbol and comfortable cruiser in Japan, offering a more luxurious alternative to the more mainstream Nissan Maxima.
Technical Specifications
| Brand | Nissan |
| Model | Cedric |
| Generation | Cedric (Y31) |
| Type (Engine) | 3.0i V6 (160 Hp) |
| Start of production | 1987 |
| End of production | 1989 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 13.3-17.5 l/100 km (17.7 – 13.4 US mpg, 21.2 – 16.1 UK mpg, 7.5 – 5.7 km/l) |
| Fuel consumption (extra urban) | 8.4-11 l/100 km (28 – 21.4 US mpg, 33.6 – 25.7 UK mpg, 11.9 – 9.1 km/l) |
| Fuel consumption (combined) | 11.8 l/100 km (19.9 US mpg, 23.9 UK mpg, 8.5 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 10.3 sec |
| Acceleration 0 – 62 mph | 10.3 sec |
| Acceleration 0 – 60 mph | 9.8 sec |
| Maximum speed | 189 km/h (117.44 mph) |
| Weight-to-power ratio | 9.1 kg/Hp, 110.3 Hp/tonne |
| Weight-to-torque ratio | 5.8 kg/Nm, 171 Nm/tonne |
| Power | 160 Hp @ 5200 rpm |
| Power per litre | 54.1 Hp/l |
| Torque | 248 Nm @ 3200 rpm (182.92 lb.-ft. @ 3200 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2960 cm3 (180.63 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 87 mm (3.43 in.) |
| Piston Stroke | 83 mm (3.27 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Kerb Weight | 1450 kg (3196.7 lbs.) |
| Fuel tank capacity | 72 l (19.02 US gal | 15.84 UK gal) |
| Length | 4690 mm (184.65 in.) |
| Width | 1720 mm (67.72 in.) |
| Height | 1425 mm (56.1 in.) |
| Wheelbase | 2735 mm (107.68 in.) |
| Front track | 1440 mm (56.69 in.) |
| Rear track | 1450 mm (57.09 in.) |
| Ride height (ground clearance) | 155 mm (6.1 in.) |
| Drag coefficient (Cd) | 0.4 |
| Minimum turning circle | 11 m (36.09 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 5 gears, manual transmission |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Steering type | Steering rack and pinion |
| Tires size | 205/65 R15 |
| Wheel rims size | 15 |
INTRODUCTION
The Nissan Cedric Y31 3.0i V6, produced from 1987 to 1989, was a significant variant within the broader Y31 Cedric lineup. The Y31 generation, launched in 1987, represented a substantial redesign of the Cedric, emphasizing luxury and technological advancements. This 3.0-liter V6 model occupied a mid-to-upper position in the range, offering a step up in performance and refinement compared to the smaller displacement engines available. It was primarily aimed at the Japanese domestic market, where large, comfortable sedans were highly valued. The Y31 Cedric, including the 3.0i V6, was known for its spacious interior, smooth ride, and relatively advanced features for its time.
Powertrain & Engine Architecture
At the heart of the Y31 3.0i V6 was the VG30E engine, a 2,960cc (180.63 cu. in.) naturally aspirated V6. This engine featured a single overhead camshaft (SOHC) valvetrain with two valves per cylinder. The VG30E utilized multi-port fuel injection, contributing to improved fuel efficiency and smoother power delivery compared to earlier carbureted engines. The engine produced 160 horsepower at 5,200 rpm and 248 Nm (182.92 lb-ft) of torque at 3,200 rpm. The engine was mounted longitudinally in the front of the vehicle, driving the rear wheels. The 5-speed manual transmission was the standard offering for this trim, providing drivers with a more engaging driving experience. The transmission’s gear ratios were tuned to balance acceleration and fuel economy, with a relatively tall fifth gear for comfortable highway cruising.
Driving Characteristics
The Cedric Y31 3.0i V6 with a manual transmission offered a refined and comfortable driving experience. While not a sports sedan, the V6 engine provided ample power for effortless cruising and confident overtaking. Acceleration from 0-60 mph was achieved in approximately 9.8 seconds, and the car could reach a top speed of 189 km/h (117.44 mph). The manual gearbox allowed for precise control over the engine’s power, and the relatively long gear ratios contributed to a smooth and relaxed driving style. Compared to the smaller 2.0-liter engines available in the Cedric lineup, the 3.0i V6 offered significantly more torque, making it more capable of handling a fully loaded car or navigating hilly terrain. The suspension was tuned for comfort, providing a smooth ride over most road surfaces, but it wasn’t particularly sporty in handling.
Equipment & Trim Levels
The 3.0i V6 trim of the Y31 Cedric typically came well-equipped, reflecting its position as a premium model. Standard features included power windows, power locks, air conditioning, and a high-quality audio system. Interior upholstery was typically cloth, but leather options were available. The dashboard featured woodgrain accents and a comprehensive instrument cluster. Optional extras included a sunroof, upgraded audio systems, and power-adjustable seats. The Cedric Y31 was known for its spacious interior, offering ample legroom and headroom for both front and rear passengers. The overall design of the interior was focused on comfort and elegance, with a focus on creating a relaxing and refined atmosphere.
Chassis & Braking
The Y31 Cedric featured a traditional body-on-frame construction, providing a robust and durable chassis. The suspension consisted of independent front suspension with MacPherson struts and a solid rear axle with leaf springs. This setup prioritized ride comfort over sporty handling. Braking duties were handled by ventilated discs on the front wheels and solid discs on the rear. The braking system was adequate for the car’s weight and performance, but it lacked the sophistication of more modern braking systems. The steering was a rack-and-pinion system, providing reasonably precise steering feel.
Market Reception & Comparison
The Nissan Cedric Y31 3.0i V6 was generally well-received in the Japanese market. Critics praised its comfortable ride, spacious interior, and refined engine. However, some noted that its handling was not as sharp as some of its competitors, such as the Toyota Crown. Compared to the smaller-engined Cedric models, the 3.0i V6 offered a significant performance upgrade, but it also came with a higher price tag. Fuel economy was reasonable for a car of its size and engine displacement, but it was not as fuel-efficient as the smaller-engined models. The 3.0i V6 was often seen as a good value for buyers who wanted a luxurious and comfortable sedan with ample power.
Legacy
The Nissan Cedric Y31 3.0i V6 remains a popular classic car in Japan, appreciated for its comfort, reliability, and distinctive styling. The VG30E engine is known for its durability and relatively simple maintenance requirements. While parts availability can be a challenge outside of Japan, the engine is generally considered to be a robust and long-lasting unit. Today, well-maintained examples of the Y31 Cedric 3.0i V6 are sought after by collectors and enthusiasts who appreciate its classic Japanese design and comfortable driving experience. The Y31 generation Cedric, and particularly the 3.0i V6 variant, represents a high point in Nissan’s history of producing luxurious and refined sedans.


