The Isuzu D-Max III Double Cab 3.0d (190 Hp) 4WD Automatic represents a significant iteration in Isuzu’s long-standing tradition of producing robust and capable pickup trucks. Introduced for the 2020 model year and continuing through 2023, this variant occupied a key position in the D-Max lineup, offering a balance of power, practicality, and comfort for both work and family use. It’s built on the third-generation D-Max platform, known for its enhanced chassis and improved interior refinement compared to its predecessors. This model was primarily targeted towards markets outside of North America, particularly Australia, Europe, and Asia, where the one-tonne pickup segment is exceptionally popular.
Technical Specifications
| Brand | Isuzu |
| Model | D-Max |
| Generation | D-Max III Double Cab |
| Type (Engine) | 3.0d (190 Hp) 4WD Automatic |
| Start of production | 2020 year |
| End of production | 2023 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (economy) – urban | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel consumption (economy) – extra urban | 6.9 l/100 km (34.1 US mpg, 40.9 UK mpg, 14.5 km/l) |
| Fuel consumption (economy) – combined | 8 l/100 km (29.4 US mpg, 35.3 UK mpg, 12.5 km/l) |
| CO2 emissions | 207 g/km |
| Fuel Type | Diesel |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 10.1 kg/Hp, 99.5 Hp/tonne |
| Weight-to-torque ratio | 4.2 kg/Nm, 235.6 Nm/tonne |
| Power | 190 Hp @ 3600 rpm |
| Power per litre | 63.4 Hp/l |
| Torque | 450 Nm @ 1600-2600 rpm (331.9 lb.-ft. @ 1600-2600 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | 4JJ3-TCX |
| Engine displacement | 2999 cm3 (183.01 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 95.4 mm (3.76 in.) |
| Piston Stroke | 104.9 mm (4.13 in.) |
| Compression ratio | 16.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 7.5 l (7.93 US qt | 6.6 UK qt) |
| Kerb Weight | 1910-2130 kg (4210.83 – 4695.85 lbs.) |
| Max. weight | 3100 kg (6834.33 lbs.) |
| Max load | 970-1190 kg (2138.48 – 2623.5 lbs.) |
| Fuel tank capacity | 76 l (20.08 US gal | 16.72 UK gal) |
| Permitted trailer load with brakes (12%) | 3500 kg (7716.18 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 350 kg (771.62 lbs.) |
| Length | 5265-5285 mm (207.28 – 208.07 in.) |
| Width | 1870 mm (73.62 in.) |
| Height | 1785-1810 mm (70.28 – 71.26 in.) |
| Wheelbase | 3125 mm (123.03 in.) |
| Front track | 1570 mm (61.81 in.) |
| Rear (Back) track | 1570 mm (61.81 in.) |
| Front overhang | 890-905 mm (35.04 – 35.63 in.) |
| Rear overhang | 1250-1270 mm (49.21 – 50 in.) |
| Ride height (ground clearance) | 235-240 mm (9.25 – 9.45 in.) |
| Minimum turning circle (turning diameter) | 12.5 m (41.01 ft.) |
| Approach angle | 30-30.5° |
| Departure angle | 23.9-27° |
| Ramp-over (brakeover) angle | 23.3-23.9° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission Aisin |
| Front suspension | Double wishbone |
| Rear suspension | Leaf spring |
| Front brakes | Ventilated discs, 320 mm |
| Rear brakes | Drum, 295 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 255/65 R17; 265/60 R18 |
| Wheel rims size | 7J x 17; 7.5J x 18 |
Powertrain & Engine Architecture
At the heart of the D-Max III 3.0d 4WD Automatic lies the Isuzu 4JJ3-TCX 3.0-liter inline-four diesel engine. This engine is a cornerstone of Isuzu’s diesel technology, known for its durability and relatively simple design. The 4JJ3-TCX utilizes a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion. A variable geometry turbocharger (VGT) and intercooler work in tandem to boost power and torque while managing exhaust gas temperatures. The engine produces 190 horsepower at 3600 rpm and a substantial 450 Nm (331.9 lb-ft) of torque between 1600 and 2600 rpm. This broad torque curve is particularly beneficial for towing and hauling. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, contributing to efficient gas exchange. The automatic transmission is a six-speed unit sourced from Aisin, a well-respected transmission manufacturer. This transmission is known for its smooth shifting and reliability, and is specifically tuned to complement the engine’s torque characteristics.
Driving Characteristics
The 3.0d Automatic D-Max offers a comfortable and capable driving experience. The Aisin transmission provides smooth gear changes, making it well-suited for both on-road cruising and off-road conditions. While not a performance-oriented vehicle, the engine’s ample torque allows for confident acceleration and effortless towing. The automatic transmission’s gear ratios are optimized for fuel efficiency and usability, rather than outright speed. Compared to the manual transmission versions of the same engine, the automatic offers a more relaxed driving experience, particularly in urban environments. However, the manual versions generally provide slightly better fuel economy and a more direct connection to the engine. Compared to higher-output variants, such as those found in some export markets, the 190 hp version prioritizes fuel efficiency and longevity over peak power.
Equipment & Trim Levels
The D-Max III Double Cab 3.0d 4WD Automatic typically came well-equipped, though specific features varied depending on the market and optional packages. Standard equipment generally included air conditioning, power windows and locks, a touchscreen infotainment system with Bluetooth connectivity, and a rearview camera. Higher trim levels added features such as leather upholstery, heated front seats, a premium sound system, and advanced driver-assistance systems (ADAS) like lane departure warning and automatic emergency braking. The interior design focused on practicality and durability, with hard-wearing materials and a functional layout. Optional extras often included a tow bar, bed liner, and alloy wheels.
Chassis & Braking
The D-Max III utilizes a robust ladder-frame chassis, providing a solid foundation for its pickup truck capabilities. The front suspension consists of double wishbones, while the rear suspension employs leaf springs. This combination offers a good balance of ride comfort and load-carrying capacity. Braking duties are handled by ventilated discs at the front and drum brakes at the rear. Anti-lock Braking System (ABS) is standard. The 4WD system allows the driver to switch between two-wheel drive and four-wheel drive modes, with a low-range gear for tackling challenging off-road terrain.
Market Reception & Comparison
The Isuzu D-Max III Double Cab 3.0d 4WD Automatic was generally well-received by automotive critics and consumers alike. It was praised for its reliability, durability, and practicality. Fuel economy was considered competitive for a vehicle of its size and capability. Compared to rivals like the Toyota Hilux and Mitsubishi Triton, the D-Max offered a compelling combination of features and value. Some critics noted that the interior design was somewhat utilitarian compared to some competitors, but this was often offset by the D-Max’s robust build quality and proven mechanicals.
Legacy
The Isuzu 4JJ3-TCX engine has proven to be exceptionally reliable over the long term, with many examples exceeding high mileage without major issues. The Aisin automatic transmission is also known for its durability. In the used car market, the D-Max III Double Cab 3.0d 4WD Automatic remains a popular choice for buyers seeking a dependable and capable pickup truck. Its reputation for reliability and relatively low maintenance costs contribute to its continued desirability. The combination of a robust engine, durable transmission, and practical design ensures that this variant of the D-Max will continue to be a workhorse for years to come.




