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MotorFiable

306DT

3.0 TDV6/SDV6 (306DT, 2009-2018) engine: faults and reliability

Ford-PSA AJD-V6 / DT17: 2.7 TDV6 (276DT) and 3.0 TDV6/SDV6 (306DT) version

With caution

Worth buying with an oil service history and no main bearing noises.[1][2]

Years
2009–2018
Power
245–292 hp
Faults that affect it
2
1 of high or critical severity
Cars that use it
10
in our database

8 sourcesHow we work

What changes in this version

2,993 cc version derived from the 2.7, with 180-225 kW and up to 700 Nm.[3]

Engine codes of this version: 306DT.

Faults of the 306DT engine

The documented engine faults that affect this version and its years, from most to least important.

  1. 1Critical severityFrequency: OccasionalLubricationCrankshaft breakage and spinning main bearing shellsOn the TDV6/SDV6 in the Discovery 3 and 4, Range Rover and Range Rover Sport, crankshaft failures have been documented caused by main bearing shells that are badly seated or that spin; the engine can seize and needs replacing or rebuilding.
  2. 2Medium severityFrequency: OccasionalTurboTurbo and pneumatic actuator failure on the 3.0 TDV6/SDV6On the 3.0 sequential twin-turbo the most common fault is the secondary turbo's pneumatic actuator, which causes limp mode and lack of power; turbo wear also occurs.

Cars fitted with the 306DT engine

Open each car to see all its faults with this engine and what to check before buying it.

Jaguar

Land Rover

Frequently asked questions

Is the 306DT engine reliable?

Our verdict is “With caution”. Worth buying with an oil service history and no main bearing noises.[1][2]

What faults does the 306DT engine have?

The documented ones that affect this version, by importance: crankshaft breakage and spinning main bearing shells (critical severity) and turbo and pneumatic actuator failure on the 3.0 TDV6/SDV6 (medium severity).

Which cars use the 306DT engine?

Land Rover Range Rover Sport I (2005–2013), Land Rover Range Rover Sport II (2013–2018), Land Rover Range Rover III (2009–2012), Land Rover Discovery 4 (2009–2016), Land Rover Range Rover IV (2012–2018), Jaguar XF I (2008–2015), Jaguar XJ X351 (2009–2018), Land Rover Discovery 5 (2017–2020), Land Rover Range Rover Velar (2017–2020) and Land Rover Range Rover Sport II (2013–2020).[2][3][4][5][6][7][8]

Are you buying a car with the 306DT engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Land Rover Discovery TDV6 engine failures making headlinesLandyOnline · Other source · published October 2015 · consulted 5 October 2026
  2. Land Rover & Jaguar SDV6/TDV6 Crankshaft RepairJLR Engines · Technical documentation · consulted 5 October 2026
  3. Ford AJD-V6/PSA DT17 engineWikipedia · Other source · consulted 5 October 2026
  4. Land Rover 2.7 TDV6 Timing Belt Replacement GuideBudget Parts (roverparts.eu) · Technical documentation · consulted 5 October 2026
  5. Land Rover TDV6 3.0L Turbocharger GuidePT Turbo · Technical documentation · consulted 5 October 2026
  6. Land Rover Discovery - WikipediaWikipedia · Other source · consulted 29 October 2026 · in German
  7. Range Rover Velar - WikipediaWikipedia · Other source · consulted 29 October 2026
  8. Range Rover Sport (Serie II, L494: tabla de motores con periodos de fabricación)Wikipedia (de) · Other source · consulted 30 October 2026 · in German