The Isuzu D-Max Concept X 3.0d (177 Hp) 4×4 Automatic, produced between 2018 and 2020, represented a bold and visually striking iteration of Isuzu’s popular D-Max pickup truck. Positioned as a premium, off-road focused variant, the Concept X aimed to blend rugged capability with a more aggressive aesthetic and a comfortable driving experience. It built upon the foundation of the second-generation D-Max (introduced in 2012), which had already established the vehicle as a reliable and capable workhorse in numerous global markets, particularly in Australia, Europe, and Asia. The Concept X was not a widespread trim level across all markets, but rather a special edition designed to showcase Isuzu’s design and engineering capabilities, and appeal to buyers seeking a distinctive and capable pickup.
Technical Specifications
| Brand | Isuzu |
| Model | D-Max |
| Generation | D-Max Concept X |
| Type (Engine) | 3.0d (177 Hp) 4×4 Automatic |
| Start of production | 2018 year |
| End of production | 2020 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Off-road vehicle, Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel Type | Diesel |
| Emission standard | Euro 5 |
| Power | 177 Hp |
| Power per litre | 59 Hp/l |
| Torque | 430 Nm / 317.15 lb.-ft. |
| Engine Model/Code | 4JJ1 |
| Engine displacement | 2999 cm3 / 183.01 cu. in. |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine systems | Particulate filter |
| Length | 5500 mm / 216.54 in. |
| Width | 2150 mm / 84.65 in. |
| Height | 2100 mm / 82.68 in. |
| Ride height (ground clearance) | 370 mm / 14.57 in. |
| Approach angle | 49.7° |
| Departure angle | 38.5° |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 6 gears, automatic transmission Aisin |
| Front suspension | Independent coil spring |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 38/15.5 R20 |
| Wheel rims size | 12J x 20 |
Powertrain & Engine Architecture
The heart of the D-Max Concept X was Isuzu’s 4JJ1-BSX 3.0-liter inline-four cylinder diesel engine. This engine, a staple of the D-Max range, was known for its durability and relatively straightforward mechanical design. The 4JJ1 featured a common rail direct injection system, delivering fuel at extremely high pressures for optimized combustion and efficiency. A variable geometry turbocharger (VGT) and intercooler were employed to boost power output and reduce turbo lag. The engine produced 177 horsepower and 430 Nm (317 lb-ft) of torque. The Concept X exclusively utilized a six-speed automatic transmission sourced from Aisin, a well-respected transmission manufacturer. This Aisin transmission was chosen for its robustness and smooth shifting characteristics, providing a more relaxed driving experience compared to the standard six-speed manual transmission found in other D-Max variants. The transmission was electronically controlled, adapting shift points based on driving conditions and throttle input.
Driving Characteristics
The combination of the 3.0-liter diesel and the Aisin automatic transmission resulted in a driving experience geared towards usability and comfort, rather than outright performance. While not a particularly fast vehicle, the Concept X offered ample torque for towing, hauling, and navigating challenging off-road terrain. The automatic transmission smoothed out power delivery, making it easy to drive in urban environments and on the highway. Compared to the manual transmission versions of the D-Max, the Concept X sacrificed some driver engagement and fuel economy. The automatic transmission, while convenient, introduced a slight power loss and typically resulted in slightly higher fuel consumption. The gear ratios were optimized for towing and off-road crawling, rather than rapid acceleration. The 4×4 system, with selectable high and low range, provided excellent traction in a variety of conditions.
Equipment & Trim Levels
The Concept X was positioned as a top-of-the-line trim level, and as such, came equipped with a generous array of standard features. Interior appointments included premium leather upholstery, often in a two-tone color scheme, and unique trim accents. Standard equipment typically included a touchscreen infotainment system with navigation, Bluetooth connectivity, a reversing camera, and climate control. The exterior styling was significantly enhanced with aggressive body cladding, a prominent front grille, flared wheel arches, and distinctive alloy wheels (typically 20-inch). Optional extras often included a sunroof, upgraded audio system, and additional off-road accessories such as a winch and snorkel. The overall aim was to create a visually imposing and well-equipped pickup truck.
Chassis & Braking
The D-Max Concept X retained the robust chassis and suspension setup of the standard D-Max. It featured independent coil spring suspension at the front and an independent multi-link suspension at the rear, providing a comfortable ride and good handling characteristics. The Concept X typically featured ventilated disc brakes on all four wheels, providing ample stopping power. An Anti-lock Braking System (ABS) was standard, enhancing safety and control during emergency braking situations. The increased ride height, coupled with the aggressive tires (often 38×15.5 R20), contributed to the vehicle’s off-road capability. Stabilizer bars were fitted front and rear to reduce body roll during cornering.
Market Reception & Comparison
The Isuzu D-Max Concept X was generally well-received by automotive critics, who praised its bold styling, comfortable interior, and capable off-road performance. However, some reviewers noted that the automatic transmission slightly dulled the driving experience compared to the manual versions. Fuel economy, while respectable for a vehicle of its size and capability, was not class-leading. Compared to other trims in the D-Max lineup, the Concept X represented a significant price premium, reflecting its enhanced features and styling. It competed with other high-end pickup trucks such as the Ford Ranger Wildtrak and the Toyota Hilux Invincible, offering a unique blend of style, comfort, and off-road capability.
Legacy
The Isuzu D-Max Concept X, while a limited-production model, left a lasting impression on the pickup truck market. It demonstrated Isuzu’s willingness to push the boundaries of design and offer a more premium and visually striking alternative to traditional workhorse pickups. The 4JJ1 engine, paired with the Aisin automatic transmission, proved to be a reliable and durable powertrain combination. On the used car market, the Concept X commands a higher price than other D-Max variants due to its rarity and unique styling. Well-maintained examples are highly sought after by enthusiasts and those looking for a distinctive and capable pickup truck. The Concept X helped solidify the D-Max’s reputation as a robust and versatile vehicle, capable of tackling both work and leisure activities.
