Quick verdict: Is the L460 more reliable than the L405?

Short answer: Not decisively. The Range Rover L460 increases structural stiffness and modernises powertrains, which reduces some old L405 mechanical weaknesses, but the L460 introduces new software and electrical complexity that creates its own reliability profile.

Detail: The L460’s MLA-Flex platform brings 50% greater torsional rigidity and 24% less cabin noise versus the L405’s D7u architecture; that improves long-term NVH and body stiffness issues owners once chased on L405s. Yet early 2022 L460 cars showed software faults around Pivi Pro, 12V battery management and some air suspension teething, so expect a ‘better hardware, new software’ risk pattern rather than a wholesale reliability leap.

Platform and body: MLA-Flex versus D7u

What changed: The L460 moves from the aluminium D7u platform to MLA-Flex, which raises stiffness and noise control. Expect a measurable reduction in chassis flex-related creaks, and that helps suspension components last longer under normal use.

What to check: On a used L460 ask for proof of software updates and any post-delivery chassis recalls; visually inspect the new closed-section steel front bulkhead area for impact repairs and listen for reduced vibration at idle compared with a late L405, where bulkhead-related rattle was more common.

Engines and electrification: new Ingenium straight-sixes and 48V systems

Powertrain change: The SDV6/SDV8 diesels are gone on the L460; petrol and diesel lines use Ingenium straight-six D300/D350 mild-hybrid units with a 48V MHEV system, and P440e/P510e PHEV models offer up to a 62-mile EV range in real-world use.

Service implications: Routine services now include a 48V battery check; PHEV models require high-voltage battery health monitoring at longer intervals. When inspecting a used L460, request the high-voltage battery state-of-health log and ensure the car has a recorded successful full-charge cycle; PHEV charging records can reveal early degradation or communication faults with third-party chargers.

Suspension and steering: rear-wheel steering and intelligent air ride

Hardware upgrade: L460 introduces rear-wheel steering with up to 7.3 degrees of steer, a five-link rear axle and Intelligent Electronic Air Suspension with eHorizon predictive damping. That makes parking and low-speed manoeuvres noticeably easier than the L405, and improves highway stability.

What can go wrong: The added mechanics and control modules bring extra failure modes. Early L460s had air suspension fault codes related to the new rear-wheel-steer integration. On inspection, check for consistent ride-height memory operation, listen for compressor cycling frequency, and get a diagnostic read for suspension module errors before purchase.

Practical checks you can do

Drive on a bumpy road and switch heights through the full range; the car should move smoothly between levels without long pauses or loud compressor runs. Inspect air springs for surface cracking at the bead and measure ride height symmetry left-to-right at static rest, deviations over 15mm can signal leaking bellows or valve block issues.

Infotainment, electronics and early software faults

New tech: The L460 runs Pivi Pro, Built-in Amazon Alexa, third-generation Active Noise Cancellation and over-the-air updates. These systems improve user experience but increase the software surface area where faults can appear.

Common symptoms: Early 2022 cars reported Pivi Pro freezes, random 12V battery drain after 2+ weeks of standing, and door-handle deployment problems in cold weather. Before buying, insist on the latest software level and a logged OTA update history; a persistent infotainment freeze that needs a full module reflash is a red flag for some dealers’ used stock.

Serviceability, running costs and L405 vs L460 ownership

What changes your wallet: Independent specialist servicing costs for L460 and late L405 are broadly similar; the L460 adds 48V checks and PHEV HV battery diagnostics which can add labour (approx 0.5–1.5 hours extra) if a health report is required. Dealer bills will be higher because of manufacturer diagnostic time and software labour rates.

Practical note: wheel mounting moved from flat-face nuts on the L405 to tapered-fit bolts on L460; if you plan aftermarket wheels, confirm bolt type and torque. Keep OE-spec oils: many L460 variants require fully synthetic 0W-20 or 5W-30 in specified JLR grades; always use documented part numbers on invoices to protect warranty if still in effect.

Used-buyer’s checklist for the L460

Essential checks: verify software level and OTA history, ask for PHEV high-voltage battery state-of-health, request a suspension module fault readout, check 12V battery state-of-health and availability of jump-start logs, and confirm wheel bolt type to match any spare wheel or alloys. Inspect service history for scheduled 48V checks and any recorded suspension or electrical module replacements.

When to walk away: persistent unexplained Pivi Pro freezes after multiple reflashes, a PHEV with reduced EV range and no battery health report, repeated air suspension faults with no permanent fix, or evidence of non-OE wheel-fitment that required hub or stud work. For pre-purchase inspections, a specialist can extract module logs and give a time estimate for any pending software or hardware fixes.

L405 vs L460 Quick Comparison

Final Thoughts

The Range Rover L460 is a clear step forward in stiffness, aerodynamics, cabin tech and electrified powertrains, but that step brings software and electrical complexity you should respect when buying used. If you want the latest chassis and PHEV capability, budget for diagnostic checks and expect OTA updates. If you prefer a proven mechanical package, a late-model L405 remains a sensible value play.