2020-2023 Isuzu D-Max III Double Cab 1.9d (163 Hp) 4WD

The Isuzu D-Max III Double Cab 1.9d (163 Hp) 4WD is a mid-size pickup truck produced by Isuzu from 2020 to 2023. Representing the third generation of the D-Max, this variant was primarily aimed at the European, Australian, and Asian markets, offering a balance between fuel efficiency, capability, and affordability. It slots into the D-Max lineup as a workhorse option, positioned below the more powerful engine choices and often favored by buyers prioritizing practicality over outright performance. The D-Max III utilizes a revised chassis and updated styling compared to its predecessor, while the 1.9-liter diesel engine was a key component of its appeal, offering a modern and relatively efficient powertrain.

Technical Specifications

Brand Isuzu
Model D-Max
Generation D-Max III Double Cab
Type (Engine) 1.9d (163 Hp) 4WD
Start of production 2020
End of production 2023
Powertrain Architecture Internal Combustion engine
Body type Pick-up
Seats 5
Doors 4
Combined fuel consumption (WLTP) 8.09-8.41 l/100 km (29.1 – 28 US mpg, 34.9 – 33.6 UK mpg, 12.4 – 11.9 km/l)
CO2 emissions (WLTP) 212-220 g/km
Fuel consumption (urban) 8.23-8.79 l/100 km (28.6 – 26.8 US mpg, 34.3 – 32.1 UK mpg, 12.2 – 11.4 km/l)
Fuel consumption (extra urban) 6.02-6.36 l/100 km (39.1 – 37 US mpg, 46.9 – 44.4 UK mpg, 16.6 – 15.7 km/l)
Fuel consumption (combined) 6.84-7.26 l/100 km (34.4 – 32.4 US mpg, 41.3 – 38.9 UK mpg, 14.6 – 13.8 km/l)
CO2 emissions (NEDC) 180-191 g/km
Fuel Type Diesel
Maximum speed 180 km/h (111.85 mph)
Emission standard Euro 6d-ISC-AO
Weight-to-power ratio 12.6 kg/Hp, 79.3 Hp/tonne
Weight-to-torque ratio 5.7 kg/Nm, 175.2 Nm/tonne
Power 163 Hp @ 3600 rpm
Power per litre 85.9 Hp/l
Torque 360 Nm @ 2000-2500 rpm (265.52 lb.-ft. @ 2000-2500 rpm)
Engine layout Front, Longitudinal
Engine Model/Code RZ4E-TC
Engine displacement 1898 cm3 (115.82 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 80 mm (3.15 in.)
Piston Stroke 94.4 mm (3.72 in.)
Compression ratio 15.9:1
Number of valves per cylinder 2
Fuel injection system Diesel Commonrail
Engine aspiration Turbocharger, Intercooler
Engine oil capacity 6.6 l (6.97 US qt, 5.81 UK qt)
Coolant capacity 10.7 l (11.31 US qt, 9.41 UK qt)
Kerb Weight 2055-2075 kg (4530.5 – 4574.59 lbs.)
Max. weight 3100 kg (6834.33 lbs.)
Max load 1025-1045 kg (2259.74 – 2303.83 lbs.)
Fuel tank capacity 76 l (20.08 US gal, 16.72 UK gal)
Max. roof load 100 kg (220.46 lbs.)
Permitted trailer load (braked) 3500 kg (7716.18 lbs.)
Permitted trailer load (unbraked) 750 kg (1653.47 lbs.)
Permitted towbar download 245 kg (540.13 lbs.)
Length 5265 mm (207.28 in.)
Width 1870 mm (73.62 in.)
Height 1790 mm (70.47 in.)
Wheelbase 3125 mm (123.03 in.)
Front track 1570 mm (61.81 in.)
Rear track 1570 mm (61.81 in.)
Front overhang 890 mm (35.04 in.)
Rear overhang 1250 mm (49.21 in.)
Minimum turning circle 13 m (42.65 ft.)
Drivetrain All wheel drive (4×4)
Number of gears 6
Gearbox type Manual transmission
Front suspension Double wishbone
Rear suspension Leaf spring
Front brakes Ventilated discs
Rear brakes Drum
Steering type Steering rack and pinion
Power steering Electric
Tires size 265/60 R18
Wheel rims size 7.5J x 18

INTRODUCTION

The Isuzu D-Max III Double Cab 1.9d (163 Hp) 4WD, launched in 2020, represents a significant update to Isuzu’s popular pickup truck range. Built on the updated D-Max platform, it aimed to provide a more refined and efficient experience compared to previous generations. This particular variant, equipped with the 1.9-liter turbocharged diesel engine and a six-speed manual transmission, was positioned as a versatile option for both commercial and private buyers. It offered a compelling blend of fuel economy, off-road capability thanks to the 4WD system, and a practical double-cab body style accommodating five passengers. The D-Max has a long-standing reputation for reliability and durability, and this model continued that tradition.

Powertrain & Engine Architecture

At the heart of the D-Max 1.9d is the RZ4E-TC engine, a 1.9-liter inline-four cylinder diesel. This engine is a relatively recent design for Isuzu, replacing the older 2.5-liter unit in many markets. It features a common-rail direct injection system, delivering fuel at extremely high pressure for improved combustion efficiency and reduced emissions. A turbocharger with an intercooler further enhances performance, boosting power and torque. The engine utilizes a variable geometry turbo (VGT) to optimize boost across the rev range. The 163 horsepower peak is achieved at 3600 rpm, while the 360 Nm (265.52 lb.-ft.) of torque is available between 2000 and 2500 rpm. This torque curve provides good low-end grunt, making it suitable for towing and hauling. The six-speed manual transmission is robust and well-matched to the engine’s characteristics, offering precise shifts and a good spread of ratios.

Driving Characteristics

The D-Max 1.9d 4WD, with its 163 hp and manual transmission, delivers a competent but not overly exciting driving experience. Acceleration is adequate for everyday use, but it won’t set any speed records. The focus is on usability and efficiency. The engine feels strongest in the mid-range, providing enough power for overtaking and climbing hills. The manual gearbox allows for greater driver control, and the gear ratios are well-chosen for both on-road and off-road driving. Compared to higher-output D-Max variants (like those with the 3.0-liter engine), this 1.9d feels less powerful, but it also offers better fuel economy. The 4WD system provides excellent traction on loose surfaces, and the transfer case allows the driver to switch between 2WD, 4WD High, and 4WD Low for varying terrain conditions.

Equipment & Trim Levels

The D-Max III Double Cab 1.9d 4WD typically came with a reasonable level of standard equipment. This included air conditioning, power windows, central locking, and an audio system with Bluetooth connectivity. Safety features such as ABS brakes, electronic stability control, and multiple airbags were also standard. Higher trim levels offered additional features like alloy wheels, a touchscreen infotainment system, rear parking sensors, and a reversing camera. Interior upholstery was typically cloth, with durable and practical materials used throughout the cabin. Optional extras could include a navigation system, leather seats, and a bed liner for the cargo area.

Chassis & Braking

The D-Max III utilizes a robust ladder-frame chassis, providing a solid foundation for both on-road and off-road performance. The front suspension consists of double wishbones, while the rear suspension employs leaf springs. This setup provides a good balance between ride comfort and load-carrying capacity. The braking system features ventilated discs on the front wheels and drum brakes on the rear. While the front discs provide good stopping power, the rear drums are a cost-saving measure and may not offer the same level of performance. Electric power steering provides a light and responsive feel, making it easy to maneuver in tight spaces.

Market Reception & Comparison

The Isuzu D-Max III Double Cab 1.9d 4WD was generally well-received by critics and buyers alike. It was praised for its fuel efficiency, reliability, and practicality. However, some reviewers noted that the 1.9-liter engine could feel underpowered when fully loaded or towing a trailer. Compared to other pickups in its class, such as the Toyota Hilux and the Ford Ranger, the D-Max offered a competitive package, particularly in terms of value for money. The 1.9d variant was often seen as a good choice for buyers who didn’t require the extra power of the larger engines but still wanted a capable and reliable pickup truck.

Legacy

The Isuzu D-Max III 1.9d 4WD has established a reputation as a dependable and long-lasting workhorse. The RZ4E-TC engine, while not the most powerful in its class, has proven to be relatively reliable, with few major issues reported. On the used car market, these models are often sought after by buyers looking for a practical and affordable pickup truck. Regular maintenance, including oil changes and filter replacements, is crucial for ensuring the longevity of the engine and drivetrain. The D-Max III continues to be a popular choice for those needing a robust and capable vehicle for work or leisure.

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