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TDV6 / SDV6 vs e-Skyactiv D 3.3: which engine is more reliable?

According to our risk index, the e-Skyactiv D 3.3 carries less risk than the TDV6 / SDV6: 21/100 (low risk) versus 46/100 (moderate risk). The TDV6 / SDV6 has 2 documented serious faults, the main one being «Crankshaft breakage and spinning main bearing shells»; the e-Skyactiv D 3.3 has 2 documented serious faults, the main one being «Stalling and restart failures due to control unit software».

Risk index

TDV6 / SDV6

46

Moderate risk · 2 serious faults

Risk index

e-Skyactiv D 3.3

21

Low risk · 2 serious faults

Lower risk

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

10 sourcesHow we work

Is the TDV6 / SDV6 reliable?

The Land Rover and Jaguar TDV6/SDV6 diesel V6 engines, shared with Peugeot and Citroën, have a serious documented fault: crankshaft and main bearing shells on the 3.0, and the belt-driven oil pump on the 2.7. Insist on a service history and weigh up the repair cost before buying.[1][2][3]

See the 3 of the TDV6 / SDV6 faults

Is the e-Skyactiv D 3.3 reliable?

The e-Skyactiv D 3.3 is an inline-six diesel with mild-hybrid assistance that Mazda debuted in the CX-60. It is a very recent engine: there is no in-service reliability data, and what is documented are software recalls (stalling, restarting, clutch) fixed at the official dealer.[4][5][6]

See the 2 of the e-Skyactiv D 3.3 faults

Side-by-side comparison

Comparison of TDV6 / SDV6 and e-Skyactiv D 3.3
TDV6 / SDV6e-Skyactiv D 3.3
Technical data
TypeEngineEngine
FuelDieselDiesel
Displacement2,720 cm³3,283 cm³
TimingWet belt (belt-in-oil)—
Power188–302 hp254 hp
Production2004–2018[7]since 2022[8][9]
Reliability
Risk index (what is it?)46Moderate risk21Low risk
Documented faults32
Of high or critical severity22
Worst severityCritical severityHigh severity
Main faults
  1. Critical severity: Crankshaft breakage and spinning main bearing shells
  2. Critical severity: Broken oil pump housing and timing belt jumping on the 2.7
  3. Medium severity: Turbo and pneumatic actuator failure on the 3.0 TDV6/SDV6
  1. High severity: Stalling and restart failures due to control unit software
  2. High severity: Clutch between engine and electric motor that does not re-engage after braking
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
  • 2.7 TDV6 (276DT/DT17, 2004-2010)[3][10]
  • 3.0 TDV6/SDV6 (306DT, 2009-2018)[1][2]
  • 3.3 e-Skyactiv D 254 (T3-VPTS, 2022-present)[4][5][6]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

TDV6 / SDV6

See the 15 models with the TDV6 / SDV6

e-Skyactiv D 3.3

Other comparisons

With the TDV6 / SDV6

With the e-Skyactiv D 3.3

Compare other engines

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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. Land Rover 2.7 TDV6 Timing Belt Replacement GuideBudget Parts (roverparts.eu) · Technical documentation · consulted 5 October 2026
  4. DVSA – base de llamadas a revisión (Mazda CX-60)DVSA (Reino Unido) · Official body · consulted 29 October 2026
  5. Mazda CX-60 (2022 – 2024): engine stall (Safety Gate SR/01913/25)Car-Recalls.eu · Official body · published 23 May 2025 · consulted 29 October 2026
  6. Mazda CX-60: The engine not responding to the accelerator after stopping (KBA 14131R)Car-Recalls.eu · Official body · published 11 August 2025 · consulted 29 October 2026
  7. Ford AJD-V6/PSA DT17 engineWikipedia · Other source · consulted 5 October 2026
  8. Skyactiv (apartado Skyactiv-D 3.3)Wikipedia (inglés) · Other source · consulted 29 October 2026
  9. Mazda CX-60 3.3 e-Skyactiv D MHEV 254ps AWD HomuraPractical Caravan · Motoring press · consulted 29 October 2026
  10. TdV6 Timing BeltLes Richmond Automotive (lrautomotive.com.au) · Technical documentation · consulted 5 October 2026