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Engine comparison

Land Rover 306DT
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Land Rover 306DT
Verdict
RISKY · 52/100
Est. cost /3yr
€4,500-9,000 over 3 years, toward the higher end if air suspension or timing chain work falls due within that period
Oil interval
10,000 km
Recalls
0
Worst issue
Timing Chain Wear and Rattle
CRITICAL
Land Rover 306DT
L462 · L462
Timing Chain Wear and Rattle
€2,000-4,500
CRITICAL
EGR Valve and Cooler Failure
€600-1,800
HIGH
Air Suspension System Failures
€800-2,500
HIGH
Electrical Gremlins and Terrain Response Faults
€200-1,200
MODERATE
Diesel Particulate Filter (DPF) Blockage
€400-1,500
MODERATE
Propshaft and Drivetrain Wear
€300-900
LOW
Land Rover 306DT
L462 · L462
•Cold-start the engine and listen for any timing chain rattle or ticking that fades after warm-up
•Perform a full OBD scan with Land Rover-specific diagnostics (IIDTool or equivalent) to check for stored fault codes across all modules
•Check the vehicle's ride height on all four corners before and after a test drive to assess air suspension health
•Request full documented service history showing oil changes at or below 10,000 km intervals with correct 0W-30/5W-30 STJLR-spec oil
•Inspect the EGR cooler area and intake manifold for signs of coolant residue or excessive soot/oil deposits
•Ask the seller about typical usage pattern, avoid any example used primarily for short urban journeys due to DPF blockage risk
•Ask whether the vehicle is a Td6 (258hp) or Sd6 (306hp) and confirm which engine code is stamped on the block, since parts and turbo setups differ
Land Rover 306DT
L462 · L462
Timing Chain and Tensioner Assembly
Inspect for cold-start rattle; replace chain, tensioners and guides proactively if no documented history
100,000 km
EGR Cooler and Valve
Inspect for leaks and coking; clean or replace EGR valve; pressure-test EGR cooler
80,000 km
Air Suspension Compressor
Test compressor output pressure and cycle time; replace if slow or noisy
80,000 km
DPF
Check soot load via OBD; perform forced regeneration or professional clean if over 80% loaded
90,000 km
Land Rover 306DT
L462 · L462
No recalls on record
Land Rover 306DT
L462 · L462
✓Strong torque output well suited to towing and off-road use
✓Proven 3.0-litre diesel architecture with many examples exceeding 200,000 km with proper maintenance
✓Widely serviced by independent Land Rover specialists reducing dealer dependency
✓Good availability of aftermarket and OEM parts given broad Jaguar Land Rover platform sharing
Land Rover 306DT
L462 · L462
Real consumption
9.2 L/100km
Official consumption
Not available
Oil interval
10,000 km
Oil spec
0W-30 or 5W-30 meeting Land Rover STJLR.03.5003 specification (e.g., Castrol Edge 0W-30 or equivalent)
Est. cost /3yr
€4,500-9,000 over 3 years, toward the higher end if air suspension or timing chain work falls due within that period
Land Rover 306DT
L462 · L462
258 hp · 600 Nm
2017-2020
306 hp · 700 Nm
2016-2023
Both variants share the same block, timing chain design and EGR layout, so chain and EGR risk is not reduced by choosing the lower-output Td6. The twin-turbo Sd6 runs hotter under sustained load such as towing, which can accelerate turbo actuator and EGR wear faster than on the single-turbo Td6, so heavily-towed Sd6 examples deserve extra scrutiny on those two items specifically. Buying decisions should be driven by documented chain and EGR service history rather than by the hp figure alone.