Isuzu UTE Australia (IUA) has announced the introduction of a new 2.2-litre turbo-diesel engine for its D-MAX ute and MU-X SUV models, arriving in dealerships from October 1, 2025.
The update forms part of the brand’s 25.5 model year (MY25.5) refresh, bringing enhanced drivability, improved fuel economy, and wider towing capacity across the range.
Pricing and launch offers
The MY25.5 Isuzu D-MAX and MU-X with the new 2.2L engine will be priced as follows:
D-MAX
| Variant | Engine | Price (RRP) |
| 4×2 SX Single Cab Chassis | 2.2L AT | $36,200 |
| 4×2 Crew Ute SX | 2.2L AT | $44,200 |
| 4×4 Crew Cab Chassis SX | 2.2L AT | $50,700 |
| 4×4 Crew Ute LS-M X-RIDER | 2.2L AT | $59,500 |
MU-X
| Variant | Engine | Price (RRP) |
| 4×2 LS-M | 2.2L AT | $49,900 |
| 4×4 LS-M | 2.2L AT | $55,900 |
| 4×4 LS-U | 2.2L AT | $62,900 |
| 4×4 LS-T | 2.2L AT | $71,400 |
Selected launch drive-away pricing
Isuzu has released both drive-away launch pricing and recommended retail prices for selected D-MAX and MU-X models
- D-MAX 4×2 SX Auto Single Cab Chassis (Eco Alloy Tray) – $36,990
- D-MAX 4×4 X-RIDER Auto Crew – $56,990
- MU-X 4×2 LS-M Auto – $48,990
- MU-X 4×4 LS-T Auto – $69,990
New Isuzu engine details
The key specifications of the new 2.2-litre turbo-diesel engine to be found in the Isuzu lineup are detailed below.
| Feature | Details |
| Engine | 2.2-litre four-cylinder EURO5 RZ4F-TC turbo-diesel |
| Power | 120kW @ 3,600rpm |
| Torque | 400Nm @ 1,600–2,400rpm |
| Transmission | 8-speed automatic (no manual option) |
| Fuel Economy | From 6.3L/100km (combined cycle) |
| Towing Capacity | 3.5 tonnes (braked) |
| Safety | 5-star ANCAP rating |
This new powertrain replaces Isuzu’s outgoing 1.9-litre engine (110kW/350 Nm) and now sits under the larger 3.0-litre 4JJ3-TCX (140kW/450 Nm), offering buyers two strong diesel options.
Improved performance and refinement
The new 2.2L engine delivers stronger torque delivery compared with the outgoing 1.9L unit:
- 255Nm from just 1,000rpm (almost 60% more than the 1.9L).
- Peak torque of 400Nm between 1,600–2,400rpm.
- Maximum power of 120kW at 3,600rpm.
Combined with the new 8-speed automatic, the drivetrain promises smoother shifts, improved acceleration, and better highway cruising efficiency.
Safety and technology
All 25.5MY Isuzu D-MAX and MU-X models continue to feature a comprehensive safety suite, including:
- 8 airbags (including centre airbag).
- Autonomous Emergency Braking with Turn Assist.
- Intelligent Adaptive Cruise Control.
- Lane Keep Assist, Lane Departure Prevention, and Emergency Lane Keeping.
- Blind Spot Monitoring and Rear Cross Traffic Alert.
- Trailer Sway Control.
- 360° Surround View Monitor (MU-X selected grades).
Colour and styling updates
The MY25.5 range introduces Wolfram Grey Metallic as a new option, replacing Granite Grey.
- Available on D-MAX X-RIDER, LS-U, LS-U+, BLADE, and X-TERRAIN grades.
- MU-X receives the update in select variants.
Isuzu aftersales and service
All 25.5MY D-MAX and MU-X models remain covered by Isuzu UTE’s Service Plus program, which includes 5 years of flat price servicing at $469 per service (every 15,000km), a 6-year warranty, and up to 7 years of roadside assistance.
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