The Isuzu MU-X II 3.0 Ddi (190 Hp) Rev Tronic is a seven-seat SUV produced by Isuzu from October 2020 to 2024. Representing the second generation of the MU-X, this variant occupied a significant position in the mid-range of the lineup, offering a balance between performance, fuel efficiency, and practicality. It was primarily marketed in Australia, Thailand, and other regions where body-on-frame SUVs remain popular, competing with vehicles like the Toyota Fortuner and Mitsubishi Pajero Sport. The MU-X II builds upon the foundation of the first-generation model, offering improved refinement, safety features, and a more modern interior.
Technical Specifications
| Brand | Isuzu |
| Model | MU-X |
| Generation | MU-X II |
| Type (Engine) | 3.0 Ddi (190 Hp) Rev Tronic |
| Start of production | October, 2020 |
| End of production | 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7 |
| Doors | 5 |
| Fuel Type | Diesel |
| Weight-to-power ratio | 10.9 kg/Hp, 91.3 Hp/tonne |
| Weight-to-torque ratio | 4.6 kg/Nm, 216.3 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) |
| Coolant | 11.1 l (11.73 US qt | 9.77 UK qt) |
| Kerb Weight | 2080 kg (4585.62 lbs.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Length | 4850 mm (190.94 in.) |
| Width | 1870 mm (73.62 in.) |
| Height | 1875 mm (73.82 in.) |
| Wheelbase | 2855 mm (112.4 in.) |
| Front track | 1570 mm (61.81 in.) |
| Rear (Back) track | 1570 mm (61.81 in.) |
| Ride height (ground clearance) | 235 mm (9.25 in.) |
| Minimum turning circle (turning diameter) | 11.2 m (36.75 ft.) |
| Drivetrain Architecture | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, automatic transmission Rev Tronic |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 265/60 R18; 265/50 R20 |
| Wheel rims size | 7.5J x 18; 7.5J x 20 |
Powertrain & Engine Architecture
The heart of the MU-X II 3.0 Ddi Rev Tronic is the Isuzu 4JJ3-TCX, a 3.0-liter inline-four cylinder diesel engine. This engine is a direct descendant of Isuzu’s long-standing 4JJ series, known for its durability and reliability. The ‘TCX’ designation indicates a turbocharger with an intercooler, enhancing power and efficiency. The engine utilizes a common rail direct injection system, delivering fuel at extremely high pressure for optimized combustion. The DOHC (Double Overhead Camshaft) valvetrain, with four valves per cylinder, further contributes to efficient airflow and power output. The engine produces 190 horsepower at 3600 rpm and a substantial 450 Nm (331.9 lb-ft) of torque between 1600 and 2600 rpm. The ‘Rev Tronic’ transmission is a six-speed automatic, specifically tuned for smooth operation and efficient power delivery. It features a torque converter and electronically controlled gear shifts.
Driving Characteristics
The 190 hp and 450 Nm of torque provide adequate performance for a full-size SUV. While not exceptionally quick, the MU-X II 3.0 Ddi offers sufficient power for highway cruising, towing, and navigating varied terrain. The Rev Tronic automatic transmission is programmed for comfort, with smooth shifts and a focus on fuel economy. Compared to the higher-output 3.0-liter variants available in some markets, this version prioritizes fuel efficiency and ease of driving over outright performance. The automatic transmission’s gear ratios are optimized for low-end torque, making it well-suited for off-road conditions and towing. However, drivers seeking a more engaging driving experience might find the transmission a bit conservative in its shift points.
Equipment & Trim Levels
The 3.0 Ddi Rev Tronic trim typically included standard features such as air conditioning, power windows and locks, a touchscreen infotainment system with Bluetooth connectivity, and basic safety features like ABS and airbags. Higher trim levels, available as options, added features like leather upholstery, a sunroof, a rear-view camera, parking sensors, and advanced driver-assistance systems (ADAS) such as automatic emergency braking and lane departure warning. Interior upholstery was generally cloth in the base trim, with leather options available. The dashboard layout was functional and straightforward, prioritizing usability over flashy design.
Chassis & Braking
The MU-X II utilizes a traditional body-on-frame construction, providing robust durability and off-road capability. The front suspension consists of a double wishbone setup, while the rear employs an independent multi-link suspension. This configuration aims to balance ride comfort with handling stability. Braking duties are handled by ventilated disc brakes on the front wheels and either disc or drum brakes on the rear, depending on the specific market and trim level. The steering system is a rack and pinion setup with electric power assistance, providing a reasonably light and responsive feel. Stabilizer bars are fitted to both the front and rear axles to reduce body roll during cornering.
Market Reception & Comparison
The Isuzu MU-X II 3.0 Ddi Rev Tronic was generally well-received in its target markets. Critics praised its comfortable ride, spacious interior, and robust build quality. However, some reviewers noted that the engine, while adequate, wasn’t as refined or powerful as some of its competitors. Fuel economy was considered competitive for a vehicle of its size and type. Compared to the higher-output versions of the MU-X, the 3.0 Ddi Rev Tronic offered a more affordable entry point into the model range, appealing to buyers who prioritized practicality and fuel efficiency over outright performance. Against rivals like the Toyota Fortuner and Mitsubishi Pajero Sport, the MU-X II offered a compelling value proposition, particularly in terms of standard features and overall durability.
Legacy
The Isuzu 4JJ3-TCX engine has proven to be a remarkably reliable powertrain. The MU-X II, in general, has established a reputation for durability and longevity. On the used car market, the 3.0 Ddi Rev Tronic variant remains a popular choice due to its balance of affordability, practicality, and reliability. Maintenance costs are generally reasonable, and parts availability is good. While not a performance-oriented vehicle, the MU-X II 3.0 Ddi Rev Tronic continues to serve as a dependable and capable SUV for families and those requiring a robust vehicle for work or leisure.
