Infiniti QX50 (EX) engines

The Infiniti QX50 (EX) is a Japanese compact crossover car from Nissan Motor. Began to be manufactured in 2007. The car is assembled with rear or front wheel drive and is manufactured on the Nissan FX platform. The North American version of the model is designated EX35, and the European version is EX37. Since 2010, the car has also been equipped with a diesel engine. The EX nomenclature was used until 2013. The EX model is the first in the world to be equipped with all-round cameras.

The Infiniti QX50 (EX) was offered with 5 engines since 2010 (4 petrol, 1 diesel). Displacement ranges from 2.0 to 3.7 liters, power output from 215 to 330 hp. All of them use a timing chain. 2 are turbocharged. The longest rated lifespan belongs to the Nissan VQ35DE (about 400,000 km).

Infiniti QX50 (EX) engines by generation

EngineYearsVolumePowerFuelTimingOilLifespan
Infiniti EX30d 1 (J50) 2010–2013
Renault V9X2010–20133.0 L V6230–240 hpdiesel, turbochain8.3 L~250,000 km
Infiniti QX50 1 (J50) 2013–2015
Nissan VQ37VHR3.7 L330 hppetrolchain5.4 L~250,000 km
Renault V9X2013–20153.0 L V6230–240 hpdiesel, turbochain8.3 L~250,000 km
Infiniti QX50 2 (P71) 2017–present
Nissan KR20DDET2017–present2.0 L R4250–272 hppetrol, turbochain4.7 L~220,000 km
Infiniti EX35 1 (J50)
Nissan VQ35HR3.5 L V6300–315 hppetrolchain4.9 L~400,000 km
Infiniti EX37 1 (J50)
Nissan VQ37VHR3.7 L330 hppetrolchain5.4 L~250,000 km
Other Infiniti QX50 (EX) engines generation not specified
Nissan VQ35DE20003.5 L V6215–305 hppetrolchain4.7 L~400,000 km

Infiniti QX50 (EX) engine FAQ

What engines were used in the Infiniti QX50 (EX)?

Infiniti EX30d 1 (J50) (2010–2013): Renault V9X; Infiniti QX50 1 (J50) (2013–2015): Nissan VQ37VHR and Renault V9X; Infiniti QX50 2 (P71) (2017–present): Nissan KR20DDET; Infiniti EX35 1 (J50): Nissan VQ35HR; Infiniti EX37 1 (J50): Nissan VQ37VHR.

Which Infiniti QX50 (EX) engine is the most durable?

By rated service life the most durable Infiniti QX50 (EX) engines are: Nissan VQ35DE — about 400,000 km; Nissan VQ35HR — about 400,000 km; Nissan VQ37VHR — about 250,000 km. Actual lifespan depends heavily on maintenance and oil change intervals.

How much oil does the Infiniti QX50 (EX) engine take?

Engine oil capacity with filter: Nissan KR20DDET — 4.7 L (5W-30); Nissan VQ35DE — 4.7 L (5W-30, 5W-40); Nissan VQ35HR — 4.9 L (5W-30, 5W-40); Nissan VQ37VHR — 5.4 L (0W-30 / 0W-40 / 5W-30 / 5W-40 / 10W-30 / 10W-40 / 15W-40); Renault V9X — 8.3 L (5W-30, 5W-40).

Does the Infiniti QX50 (EX) have a timing belt or chain?

Timing chain: Nissan KR20DDET, Nissan VQ35DE, Nissan VQ35HR, Nissan VQ37VHR and Renault V9X.

Was the Infiniti QX50 (EX) available with a diesel engine?

Yes: Renault V9X.

Engine details

Nissan VQ35DE

Nissan VQ35DE

2000 · 3.5 L V6 · petrol · 215–305 hp · chain

This is a very reliable unit with a high resource, but oil consumption is common. The reason is either coking due to…

Nissan VQ35HR

Nissan VQ35HR

2006 · 3.5 L V6 · petrol · 300–315 hp · chain

The most famous problem of this engine is seizures in the cylinders and oil burner. The main reason for their appearance, many…

Nissan VQ37VHR

Nissan VQ37VHR

2007 · 3.7 L · petrol · 330 hp · chain

The bulk of the complaints on the forums are related to oil consumption and there are several reasons for this: firstly, this…

Renault V9X

Renault V9X

2008–2015 · 3.0 L V6 · diesel · 230–240 hp · chain

Due to the very narrow crankshaft journals, the diesel engine is extremely sensitive to lubrication pressure and, with any drop in the…

Nissan KR20DDET

Nissan KR20DDET

2017 · 2.0 L R4 · petrol · 250–272 hp · chain

This turbo engine was produced not so long ago that statistics of its breakdowns were collected.

Models with the same engines

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