Reliability Guide

Common Problems with the
2025 Isuzu D-Max (Mk3)

We've identified 2 known issues that can affect the 2025 Isuzu D-Max (Mk3). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2025 period has 1 more issue than the Isuzu D-Max (Mk3) average across all year periods.

All Known Issues

DPF and AdBlue System Sensitivity

ModerateEngine

While improved over earlier models, the Euro 6d engine still requires consistent long runs to avoid AdBlue sensor errors and DPF blockages.

Estimated cost: £200–£1,200Affects: 2021–2025

Typical symptoms

•AdBlue warning lights
•DPF regeneration requests
•Limp mode

What to inspect before you buy

✓Ask about the previous owner's driving habits (motorway vs town)

Front CV Joint Wear

ModerateSuspension & Chassis

The front CV joints and boots can wear prematurely, especially on vehicles used off-road or with larger tyres. Dust and water ingress accelerates wear.

Most affected: All 4x4 models

Estimated cost: £200–£500Affects: 2021–2025Often appears around: 30,000–60,000 miles

Typical symptoms

•Clicking noise when turning
•Vibration under acceleration
•Torn CV boots

What to inspect before you buy

✓Inspect CV boots for tears or leaks
✓Listen for clicking during tight turns
✓Check front driveshafts for play

Buying Tips for the 2025 Isuzu D-Max (Mk3)

✓Check the advanced safety systems (ADAS), particularly the lane-keep assist camera, to ensure it isn't obscured by dirt or damaged.
✓Test the new 9-inch infotainment screen for responsiveness and ensure Apple CarPlay/Android Auto connect cleanly.
✓Inspect the load bed for severe damage; despite its premium feel, many are still used as heavy-duty workhorses.
✓Verify the operation of the shift-on-the-fly 4WD system, ensuring it engages 4H and 4L smoothly without clunking.
✓Listen for any unusual rattling from the 1.9-litre diesel engine when cold; while robust, it can be slightly vocal.
✓Check the rear leaf springs for any signs of sagging, which indicates the vehicle has regularly been overloaded.

2024 Isuzu D-Max (Mk3)