Engine Nissan MRA8DE

The 1.8-liter Nissan MRA8DE engine has been produced since 2012 as an update to the MR18DE engine, there is a phase shifter at the outlet and the latest DLC coating of internal surfaces. This power unit is installed on models such as Tiida, Sentra, Sylphy and Pulsar.

The MR family includes internal combustion engines: MR15DDT, MR16DDT, MR18DE, MR20DE and MR20DD.

The engine was installed on:

  • Nissan Pulsar 6 (C13) in 2014 – …;
  • Nissan Sentra 7 (B17) in 2012 – …;
  • Nissan Sylphy B17 in 2012 – …;
  • Nissan Tiida 2 (C13) in 2014 – …

Specifications

Production years 2012-…
Displacement, cc 1797
Fuel system distributed injection
Power output, hp 130
Torque output, Nm 174
Cylinder block aluminum R4
Block head aluminum 16v
Cylinder bore, mm 79.7
Piston stroke, mm 90.1
Compression ratio 9.9
Features EGR, NDIS
Hydraulic lifters no
Timing drive chain
Phase regulator Twin CVTCS
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 4.5
Fuel type 95
Euro standards EURO 4/5
Fuel consumption, L/100 km (for Nissan Tiida 2015)
— city
— highway
— combined
9.7
6.2
7.4
Engine lifespan, km ~250 000
Weight, kg 118

Disadvantages of the MRA8DE engine

  • Most often, owners of cars with such a motor complain online about oil consumption;
  • In second place is the whistle of the alternator belt and the knocking of unadjusted valves;
  • In third place are floating engine speeds due to dirt on the throttle;
  • Next comes the rumble of the timing chain, which can stretch to a range of 120 – 150 thousand km;
  • Rarely, but there are cases of cracking of the block head when tightening bolts and candles.

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