The Isuzu MU-X II (facelift 2024) 1.9 Ddi (150 Hp) 4WD Rev Tronic represents a mid-cycle refresh of Isuzu’s popular seven-seat SUV, primarily aimed at markets outside of North America, particularly Australia, Southeast Asia, and parts of South America. Introduced in June 2024, this variant builds upon the foundation of the second-generation MU-X, offering a balance of off-road capability, family practicality, and fuel efficiency. It slots into the MU-X lineup as a mid-range offering, positioned below the more powerful 3.0-liter turbocharged diesel variants, and appealing to buyers prioritizing economy and sufficient performance for everyday use and light-duty towing. The facelift brought styling updates, enhanced safety features, and refinements to the interior, maintaining the MU-X’s reputation as a robust and reliable SUV.
Technical Specifications
| Brand | Isuzu |
| Model | MU-X |
| Generation | MU-X II (facelift 2024) |
| Type (Engine) | 1.9 Ddi (150 Hp) 4WD Rev Tronic |
| Start of production | June, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 7 |
| Doors | 5 |
| Fuel consumption (urban) | 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l) |
| Fuel consumption (extra urban) | 6.7 l/100 km (35.1 US mpg, 42.2 UK mpg, 14.9 km/l) |
| Fuel consumption (combined) | 7.4 l/100 km (31.8 US mpg, 38.2 UK mpg, 13.5 km/l) |
| CO2 emissions | 196 g/km |
| Fuel Type | Diesel |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 13.8 kg/Hp, 72.6 Hp/tonne |
| Weight-to-torque ratio | 5.9 kg/Nm, 169.5 Nm/tonne |
| Power | 150 Hp @ 3600 rpm |
| Power per litre | 79 Hp/l |
| Torque | 350 Nm @ 1800-2600 rpm (258.15 lb.-ft. @ 1800-2600 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 | 4 |
| Fuel injection system | Diesel Commonrail |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Kerb Weight | 2065-2080 kg (4552.55 – 4585.62 lbs.) |
| Max. weight | 2800 kg (6172.94 lbs.) |
| Max load | 720-735 kg (1587.33 – 1620.4 lbs.) |
| Trunk (boot) space – minimum | 311 l (10.98 cu. ft.) |
| Trunk (boot) space – maximum | 2138 l (75.5 cu. ft.) |
| Fuel tank capacity | 80 l (21.13 US gal | 17.6 UK gal) |
| Permitted trailer load with brakes (12%) | 3000 kg (6613.87 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 300 kg (661.39 lbs.) |
| Length | 4860 mm (191.34 in.) |
| Width | 1870 mm (73.62 in.) |
| Height | 1815-1825 mm (71.46 – 71.85 in.) |
| Wheelbase | 2855 mm (112.4 in.) |
| Front track | 1570 mm (61.81 in.) |
| Rear (Back) track | 1570 mm (61.81 in.) |
| Front overhang | 905 mm (35.63 in.) |
| Rear overhang | 1100 mm (43.31 in.) |
| Ride height (ground clearance) | 230-235 mm (9.06 – 9.25 in.) |
| Minimum turning circle (turning diameter) | 11.6 m (38.06 ft.) |
| Approach angle | 23.4-24° |
| Departure angle | 26.9-27.6° |
| Ramp-over (brakeover) angle | 19.1-19.6° |
| Wading depth | 800 mm (31.5 in.) |
| 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 Rev Tronic |
| Front suspension | Double wishbone, Independent coil spring, Transverse stabilizer |
| Rear suspension | Rigid axle suspension, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 320 mm |
| Rear brakes | Ventilated discs, 318 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; 265/50 R20 |
| Wheel rims size | 7J x 17; 7.5J x 18; 7.5J x 20 |
Powertrain & Engine Architecture
The heart of this MU-X variant is the Isuzu RZ4E-TC 1.9-liter turbocharged diesel engine. This engine is a relatively recent development for Isuzu, designed to offer improved fuel efficiency and reduced emissions compared to the older 2.5-liter and 3.0-liter diesel options. It’s an inline-four cylinder engine with a displacement of 1898cc, featuring a cast iron block and an aluminum cylinder head. The RZ4E-TC utilizes a high-pressure common rail direct injection system, delivering fuel directly into the combustion chamber at pressures up to 250 bar. This, combined with a variable geometry turbocharger and intercooler, allows for a good balance of power and torque. The engine produces 150 horsepower at 3600 rpm and 350 Nm (258 lb-ft) of torque between 1800 and 2600 rpm. The engine also incorporates a diesel particulate filter (DPF) to meet Euro 5 emission standards. The “Rev Tronic” 6-speed automatic transmission is paired with this engine. This transmission is known for its smooth shifts and responsiveness, and is designed to handle the torque output of the diesel engine effectively. It features a torque converter and electronic controls for optimized gear selection.
Driving Characteristics
The 1.9-liter diesel with the Rev Tronic automatic provides a comfortable and capable driving experience. While not as overtly powerful as the 3.0-liter variants, it offers sufficient torque for everyday driving and towing. Acceleration is adequate, but not brisk, and the automatic transmission generally selects gears smoothly. The gear ratios are tuned for fuel efficiency and drivability, rather than outright performance. Compared to a manual transmission version (where available in other markets), the automatic offers greater convenience, particularly in urban traffic. However, it may result in a slight reduction in fuel economy and a less engaging driving experience. The 4WD system provides enhanced traction on slippery surfaces and allows for light off-road driving, but it’s not intended for serious off-roading.
Equipment & Trim Levels
The 1.9 Ddi 4WD Rev Tronic trim typically includes 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, often available as options, add features like leather upholstery, a sunroof, a reversing camera, parking sensors, and advanced driver-assistance systems (ADAS) such as automatic emergency braking and lane departure warning. Interior upholstery is generally cloth on the base models, with leather options available on higher trims. Dashboard configuration is typically straightforward and functional, prioritizing usability over luxury.
Chassis & Braking
The MU-X II utilizes a body-on-frame construction, providing a robust and durable chassis. The front suspension consists of independent double wishbones with coil springs and a transverse stabilizer bar, while the rear suspension employs a rigid axle setup with coil springs and a transverse stabilizer bar. This suspension setup is designed to provide a comfortable ride and good off-road capability. Braking duties are handled by ventilated disc brakes on all four wheels, providing adequate stopping power for the vehicle’s weight. The inclusion of ABS (Anti-lock Braking System) enhances braking performance and stability, particularly on slippery surfaces.
Market Reception & Comparison
The Isuzu MU-X 1.9 Ddi 4WD Rev Tronic has been generally well-received in its target markets. Critics have praised its fuel efficiency, comfortable ride, and robust build quality. Compared to the 3.0-liter variants, the 1.9-liter model offers a more affordable entry point into the MU-X range, making it attractive to budget-conscious buyers. However, some reviewers have noted that the 1.9-liter engine can feel underpowered when fully loaded or when tackling steep inclines. In terms of reliability, the Isuzu MU-X has a reputation for being a durable and dependable vehicle, and the 1.9-liter engine has proven to be relatively trouble-free.
Legacy
The Isuzu MU-X II 1.9 Ddi 4WD Rev Tronic represents a significant step forward in terms of fuel efficiency and refinement for the MU-X model line. While the older 2.5 and 3.0-liter diesel engines remain popular for their power, the 1.9-liter engine offers a compelling alternative for buyers prioritizing economy and everyday usability. On the used car market, these models are expected to hold their value well due to Isuzu’s reputation for reliability and the MU-X’s overall practicality. The long-term reliability of the RZ4E-TC engine and Rev Tronic transmission is still being assessed, but early indications suggest that they are proving to be durable and dependable units.
