2004-2009 Toyota ISis 2.0 (155 Hp) 4WD

The Toyota Isis, known as the Toyota Avanza in some markets, is a compact minivan produced by the Japanese automaker Toyota from 2004 to 2009. Primarily aimed at the Japanese domestic market (JDM) and parts of Asia and Europe, the Isis distinguished itself with its unique blend of minivan practicality and a somewhat sporty aesthetic. It was designed to appeal to families seeking a versatile vehicle that was easy to maneuver in urban environments. While not officially sold in the United States, understanding the Isis provides insight into Toyota’s global strategy of offering diverse vehicle options tailored to specific regional needs. The first generation, detailed here, offered a compelling alternative to larger, more conventional minivans.

Toyota Isis 2.0 (155 Hp) 4WD: An Overview

The Toyota Isis 2.0 (155 Hp) 4WD represents a specific configuration within the first generation Isis lineup. This model combined a 2.0-liter gasoline engine with a four-wheel-drive system, offering enhanced traction and stability, particularly valuable in regions experiencing inclement weather. The Isis was notable for its seven-seat configuration within a relatively compact footprint, making it a practical choice for larger families. Its design incorporated sliding rear doors, a feature common in minivans, facilitating easy access in tight parking spaces. The 4WD system, while adding weight, broadened the vehicle’s appeal in areas where all-weather capability was a priority.

Engine & Performance

Powering the Toyota Isis 2.0 (155 Hp) 4WD is the 1AZ-FSE engine, a 1.998-liter (121.93 cubic inches) inline-four cylinder gasoline engine. This naturally aspirated engine produces 155 horsepower at 6000 rpm and 192 Nm (141.61 lb.-ft.) of torque at 4000 rpm. The engine utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain, contributing to its relatively efficient operation. The power-to-weight ratio of 9 kg/Hp (110.7 Hp/tonne) and torque-to-weight ratio of 7.3 kg/Nm (137.1 Nm/tonne) indicate a reasonable level of performance for its class and intended use. The engine is paired with a four-speed automatic transmission, delivering power to all four wheels via the 4WD system. While not a performance-oriented vehicle, the Isis 2.0 4WD offered adequate acceleration and cruising ability for everyday driving needs.

Design & Features

The Toyota Isis adopted a minivan body style with a five-door configuration, including sliding rear doors for convenient access. Its design aimed for a more contemporary look than many traditional minivans of the era, with a focus on a streamlined silhouette and relatively large windows. The interior was designed with practicality in mind, offering seating for up to seven passengers across three rows. The 4WD system added to the vehicle’s overall weight, but also provided enhanced stability and traction, particularly on slippery surfaces. Safety features, while not as comprehensive as those found in modern vehicles, included an Anti-lock Braking System (ABS) as standard equipment. The Isis prioritized interior space and versatility, making it a suitable choice for families needing a flexible and functional vehicle. The interior trim levels varied depending on the market, but generally focused on durable materials and ease of cleaning.

Technical Specifications

Brand Toyota
Model ISis
Generation ISis
Type (Engine) 2.0 (155 Hp) 4WD
Start of production September, 2004
End of production December, 2009
Powertrain Architecture Internal Combustion engine
Body type Minivan
Seats 7
Doors 5
Fuel Type Petrol (Gasoline)
Weight-to-power ratio 9 kg/Hp
Weight-to-torque ratio 7.3 kg/Nm
Power 155 Hp @ 6000 rpm
Power per litre 77.6 Hp/l
Torque 192 Nm @ 4000 rpm
Torque (lb.-ft.) 141.61 lb.-ft. @ 4000 rpm
Engine layout Front, Transverse
Engine Model/Code 1AZ-FSE
Engine displacement 1998 cm3
Engine displacement (cu. in.) 121.93 cu. in.
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 86 mm
Cylinder Bore (in.) 3.39 in.
Piston Stroke 86 mm
Piston Stroke (in.) 3.39 in.
Compression ratio 9.8:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC
Engine oil capacity 4.2 l
Engine oil capacity (US qt) 4.44 US qt
Engine oil capacity (UK qt) 3.7 UK qt
Coolant 6.5 l
Coolant (US qt) 6.87 US qt
Coolant (UK qt) 5.72 UK qt
Kerb Weight 1400 kg
Kerb Weight (lbs.) 3086.47 lbs.
Fuel tank capacity 60 l
Fuel tank capacity (US gal) 15.85 US gal
Fuel tank capacity (UK gal) 13.2 UK gal
Length 4610 mm
Length (in.) 181.5 in.
Width 1695 mm
Width (in.) 66.73 in.
Height 1640 mm
Height (in.) 64.57 in.
Wheelbase 2785 mm
Wheelbase (in.) 109.65 in.
Minimum turning circle 10.8 m
Minimum turning circle (ft.) 35.43 ft.
Drive wheel All wheel drive (4×4)
Number of gears 4
Type of gearbox automatic transmission
Front suspension Coil spring
Rear suspension Torsion
Front brakes Ventilated discs
Rear brakes Drum
Assisting systems ABS (Anti-lock braking system)
Tires size 195/65 R15
Wheel rims size 6J x 15

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