1997-2004 Toyota Century II (G50) 5.0 V12 (280 Hp) Automatic 4-speed

The Toyota Century II (G50), produced between 1997 and 2004, represents a significant evolution of Toyota’s flagship luxury sedan. Positioned firmly at the top of Toyota’s lineup in Japan, the G50 Century was not officially exported to the United States, making it a relatively rare sight outside of its domestic market. It served as the preferred transportation for high-ranking executives, government officials, and members of the Japanese Imperial family, embodying prestige and understated elegance. This particular variant, equipped with the 5.0-liter V12 engine and a four-speed automatic transmission, represented the pinnacle of the Century II range, offering a blend of immense power and refined comfort. The G50 Century built upon the foundation of the first-generation Century (G30), moving to a larger platform and incorporating more advanced technology while retaining the original’s focus on quietness, ride quality, and reliability.

Technical Specifications

Brand Toyota
Model Century
Generation Century II (G50)
Type (Engine) 5.0 V12 (280 Hp) Automatic 4-speed
Start of production 1997
End of production 2004
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (economy) – urban 20 l/100 km (11.8 US mpg)
Fuel consumption (economy) – extra urban 10 l/100 km (23.5 US mpg)
Fuel Type Petrol (Gasoline)
Maximum speed 210 km/h (130.49 mph)
Weight-to-power ratio 7.1 kg/Hp, 140.7 Hp/tonne
Weight-to-torque ratio 4.1 kg/Nm, 241.7 Nm/tonne
Power 280 Hp @ 5200 rpm
Power per litre 56 Hp/l
Torque 481 Nm @ 4000 rpm (354.77 lb.-ft. @ 4000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code 1GZ-FE
Engine displacement 4999 cm3 (305.06 cu. in.)
Number of cylinders 12
Engine configuration V-engine
Cylinder Bore 81 mm (3.19 in.)
Piston Stroke 80.8 mm (3.18 in.)
Compression ratio 10.5:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 8.4 l (8.88 US qt | 7.39 UK qt)
Coolant 14.8 l (15.64 US qt | 13.02 UK qt)
Kerb Weight 1990 kg (4387.2 lbs.)
Trunk (boot) space – minimum 500 l (17.66 cu. ft.)
Fuel tank capacity 95 l (25.1 US gal | 20.9 UK gal)
Length 5270 mm (207.48 in.)
Width 1890 mm (74.41 in.)
Height 1480 mm (58.27 in.)
Wheelbase 3025 mm (119.09 in.)
Front track 1575 mm (62.01 in.)
Rear (Back) track 1575 mm (62.01 in.)
Drivetrain Architecture Rear wheel drive
Number of gears and type of gearbox 4 gears, automatic transmission
Front suspension Wishbone
Rear suspension Wishbone
Front brakes Ventilated discs
Rear brakes Ventilated discs
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Hydraulic Steering
Tires size 225/60 R16

Powertrain & Engine Architecture

The heart of the Century II 5.0 V12 is the 1GZ-FE engine, a 4.999-liter (305.06 cubic inch) naturally aspirated V12. This engine is notable for its exceptionally smooth operation and refined power delivery. The 1GZ-FE utilizes a 60-degree V-angle, contributing to its compact size for a V12. It features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, and a multi-port fuel injection system. The engine produces 280 horsepower at 5200 rpm and 481 Nm (354.77 lb-ft) of torque at 4000 rpm. Paired with this engine is a four-speed automatic transmission, designed for smooth and seamless gear changes, prioritizing comfort over outright performance. This transmission was specifically tuned to complement the V12’s characteristics, providing a relaxed driving experience.

Driving Characteristics

The Century II 5.0 V12 Automatic offers a driving experience focused on effortless cruising and supreme comfort. The V12 engine delivers ample power for overtaking and highway driving, but its character is more about smooth, linear acceleration than aggressive responsiveness. The four-speed automatic transmission, while not offering the latest in gear ratios, contributes to the relaxed nature of the car. Compared to potential alternatives like a turbocharged four-cylinder or even a smaller V8, the V12 provides a significantly more refined and quieter experience. The gear ratios are optimized for comfortable cruising, with a focus on minimizing engine noise and vibration. While not a sports sedan, the Century II offers a stable and composed ride, thanks to its well-tuned suspension.

Equipment & Trim Levels

The Century II 5.0 V12 was typically equipped with a comprehensive list of standard features befitting its flagship status. These included leather upholstery, power-adjustable front seats, wood trim throughout the cabin, a high-quality audio system, and automatic climate control. The rear seats were particularly spacious and comfortable, often featuring reclining functions and individual climate controls. Optional extras included a navigation system (a relatively new technology at the time), a premium sound system, and upgraded leather options. The interior design emphasized a sense of understated luxury and traditional Japanese aesthetics.

Chassis & Braking

The Century II utilizes a robust body-on-frame construction, contributing to its solid feel and quiet ride. The suspension consists of independent wishbone setups at both the front and rear, providing a comfortable and controlled ride. Braking duties are handled by ventilated disc brakes on all four wheels, supplemented by an Anti-lock Braking System (ABS) for enhanced safety. The steering is a rack-and-pinion system with hydraulic power assistance, offering a smooth and precise steering feel. The car rides on 225/60 R16 tires, balancing comfort and grip.

Market Reception & Comparison

The Century II was highly regarded in Japan for its exceptional build quality, luxurious appointments, and smooth, quiet ride. Critics praised its refinement and its ability to provide a serene and comfortable driving experience. However, its size, weight, and relatively high price tag limited its appeal to a niche market. Compared to other luxury sedans available in Japan at the time, such as the Nissan President or the Honda Legend, the Century II stood out for its unique V12 engine and its focus on traditional Japanese values of understated elegance and reliability. Fuel economy, as expected with a large-displacement V12, was not a strong point, with reported figures around 11.8 mpg in urban driving.

Legacy

The Toyota Century II 5.0 V12 remains a highly sought-after vehicle among collectors and enthusiasts in Japan. The 1GZ-FE V12 engine is known for its durability and reliability, provided it receives regular maintenance. While parts availability can be a challenge outside of Japan, the engine itself is generally considered to be robust and long-lasting. Today, the Century II represents a unique and fascinating chapter in Toyota’s history, embodying a commitment to luxury, refinement, and engineering excellence. Its status as a symbol of Japanese prestige ensures its continued desirability in the used car market.

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