Toyota Vitz I 1.5 VVT-I 16V (109 Hp)

The Toyota Vitz, known as the Toyota Yaris in many global markets including the United States, represents Toyota’s entry into the subcompact hatchback segment. The first generation, produced from 1999 to 2005 (referred to here as the Vitz I), was a pivotal model for Toyota, designed to appeal to a younger demographic and offer efficient, urban-focused transportation. While not initially sold in the US, the Vitz I established the Yaris’s reputation for reliability, fuel economy, and nimble handling – qualities that would eventually make the Yaris a successful model in North America with the introduction of the second generation. The Vitz I was primarily marketed in Japan and Europe, offering a practical and affordable alternative to larger, more expensive vehicles.

Toyota Vitz I 1.5 VVT-I 16V: An Overview

The Vitz I 1.5 VVT-I 16V is a specific variant of the first-generation Vitz, powered by Toyota’s 1NZ-FE 1.5-liter inline-four engine. This engine, equipped with Variable Valve Timing-intelligence (VVT-i), delivers a balance of performance and fuel efficiency. The Vitz I was available in both 3-door and 5-door configurations, catering to different lifestyle needs. Its compact dimensions and responsive handling made it particularly well-suited for navigating crowded city streets. The 1.5L engine was considered a step up in performance compared to the base 1.0L engine offered in some markets, providing a more engaging driving experience.

Engine & Performance

The heart of the Vitz I 1.5 VVT-I 16V is the 1NZ-FE engine, a 1.5-liter (1496 cm3 or 91.29 cu. in.) inline-four cylinder gasoline engine. This naturally aspirated engine produces 109 horsepower at 6000 rpm and 143 Nm (105.47 lb.-ft.) of torque at 4200 rpm. The VVT-i system optimizes valve timing for improved performance and fuel economy across the engine’s operating range. The engine’s power-to-weight ratio is 8.6 kg/Hp, or 116 Hp/tonne, and the torque-to-weight ratio is 6.6 kg/Nm, or 152.1 Nm/tonne. Power per liter is a respectable 72.9 Hp/l. Power is delivered to the front wheels via a 5-speed manual transmission. The drivetrain architecture is a conventional front-wheel-drive setup, with the internal combustion engine directly powering the front axle. This configuration contributes to the Vitz’s relatively simple and reliable mechanical design.

Design & Features

The Vitz I features a distinctive, rounded hatchback design that was considered modern for its time. Available as either a 3-door or 5-door model, the Vitz prioritized interior space efficiency within its compact footprint. The interior was designed with practicality in mind, offering seating for five passengers. While not lavishly equipped by modern standards, the Vitz I offered essential features such as power steering (hydraulic), and an Anti-lock Braking System (ABS) for enhanced safety. The suspension system consists of a wishbone setup at the front and a trailing arm configuration at the rear, providing a comfortable ride and responsive handling. The vehicle’s dimensions are 3630 mm (142.91 in.) in length, 1660 mm (65.35 in.) in width, and 1485 mm (58.46 in.) in height, with a wheelbase of 2370 mm (93.31 in.). The turning circle is a tight 8.6 m (28.22 ft), making it easy to maneuver in urban environments. The tires are sized 185/55 R14 S.

Technical Specifications

BrandToyota
ModelVitz
GenerationVitz I
Type (Engine)1.5 VVT-I 16V (109 Hp)
Start of production1999 year
End of production2005 year
Powertrain ArchitectureInternal Combustion engine
Body typeHatchback
Seats5
Doors3/5
Fuel TypePetrol (Gasoline)
Weight-to-power ratio8.6 kg/Hp
Weight-to-torque ratio6.6 kg/Nm
Power109 Hp @ 6000 rpm
Power per litre72.9 Hp/l
Torque143 Nm @ 4200 rpm / 105.47 lb.-ft. @ 4200 rpm
Engine layoutFront, Transverse
Engine Model/Code1NZ-FE
Engine displacement1496 cm3 / 91.29 cu. in.
Number of cylinders4
Engine configurationInline
Cylinder Bore75 mm / 2.95 in.
Piston Stroke84.7 mm / 3.33 in.
Compression ratio10.5:1
Number of valves per cylinder4
Fuel injection systemMulti-port manifold injection
Engine aspirationNaturally aspirated engine
ValvetrainDOHC
Kerb Weight940 kg / 2072.35 lbs
Max. weight1245 kg / 2744.76 lbs
Max load305 kg / 672.41 lbs
Fuel tank capacity45 l / 11.89 US gal | 9.9 UK gal
Length3630 mm / 142.91 in.
Width1660 mm / 65.35 in.
Height1485 mm / 58.46 in.
Wheelbase2370 mm / 93.31 in.
Front track1445 mm / 56.89 in.
Rear (Back) track1420 mm / 55.91 in.
Minimum turning circle8.6 m / 28.22 ft
Drivetrain ArchitectureICE drives front wheels
Drive wheelFront wheel drive
Number of gears5 gears, manual transmission
Front suspensionWishbone
Rear suspensionTrailing arm
Front brakesVentilated discs
Rear brakesDisc
Assisting systemsABS (Anti-lock braking system)
Steering typeSteering rack and pinion
Power steeringHydraulic Steering
Tires size185/55 R14 S

The Toyota Vitz I 1.5 VVT-I 16V, while not a performance car, offered a compelling package of efficiency, reliability, and practicality. It laid the groundwork for the Yaris’s success in global markets and remains a popular choice for those seeking a dependable and economical subcompact hatchback.

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