Diesel Nissan Pathfinder R51 2007 with motor 2.5 YD25DDTi (174 hp) remains one of the most controversial crossovers on the secondary market. On the one hand, this is a spacious 7-seater SUV with all-wheel drive and a solid payload. On the other hand, there is a diesel unit, known for its “surprises” after 200,000 km. Owners praise the car for its efficiency and maneuverability, but warn about the high cost of repairing the turbine and fuel system.
In this article we have collected real reviews from forums, expert analysis and technical nuances that will help you make an informed decision. Let's see if it's worth buying Pathfinder R51 today, what to look for during inspection and how to extend the life of a diesel engine. And also - compare it with gasoline versions and competitors like Toyota Fortuner And Mitsubishi Pajero Sport.
Technical specifications Nissan Pathfinder 2007 2.5 diesel
Under the hood Pathfinder R51 2007 worth turbodiesel YD25DDTi volume 2.5 liters, developing 174 hp at 4000 rpm and 403 Nm of torque already from 2000 rpm. This motor is a joint development Nissan And Renault, known for its high-torque performance at low speeds, but also for its capriciousness in case of untimely maintenance.
Two gearboxes were offered: 6-speed manual (rare on the secondary market) and 5-band automatic RE5R05A, which many owners consider the “weak link” of the car. Four-wheel drive All Mode 4×4-i with center differential lock allows you to select the mode 2WD, Auto or Lock - it does Pathfinder universal for the city and light off-road.
| Parameter | Meaning |
|---|---|
| Engine | YD25DDTi, 2.5 l, turbodiesel, Common Rail |
| Power/Torque | 174 hp / 403 Nm |
| Fuel consumption (combined) | 9.5–11.5 l/100 km |
| Transmission | 5 automatic transmission RE5R05A or 6 manual transmission |
| Drive | Full All Mode 4×4-i with locking |
Officially Pathfinder R51 accelerates to 100 km/h in 11.5 seconds (with automatic transmission), but owners note that the actual dynamics depend on the condition of the turbine and fuel system. The maximum speed is electronically limited to 180 km/h, although the car can confidently handle 160 km/h on the highway.
- Diesel 2.5 YD25DDTi
- Gasoline 3.5 VQ35DE
- Gasoline 2.5 QR25DE
- I don't know, I need some feedback
Pros of Nissan Pathfinder 2007 2.5 diesel: what owners praise
Despite his age, Pathfinder R51 remains in demand due to a number of undeniable advantages. The main one is efficiency compared to gasoline versions. When driving carefully, fuel consumption is kept within the limits 9.5–10.5 l/100 km in the combined cycle, which is very good for a 2-ton crossover.
- 💪 Torquey engine at low speeds: 403 Nm from 2000 rpm allow you to confidently overtake and drive at the “lower” levels without throttling.
- 🚗 Spacious salon: 7 full seats (second row - three separate chairs), trunk capacity of 453 liters (up to 2260 liters with seats folded).
- 🛡️ Reliable suspension: independent front and multi-link rear can withstand Russian roads without frequent repairs.
- 🔧 Ease of maintenance: many jobs (changing oil, filters, glow plugs) can be done independently.
The owners also note good sound insulation for a diesel engine - at speeds above 80 km/h the cabin is quieter than many competitors. And the ground clearance of 215 mm allows you not to be afraid of curbs and light off-road conditions. The function is especially appreciated Hill Descent Control (descent control), which helps on slopes.
When purchasing a Pathfinder R51, be sure to check the system operation All Mode 4×4-i — switch drive modes on the go. If the differential lock does not engage, this may indicate a faulty clutch or electronics.
Cons and typical problems: what owners complain about
Main complaints about Nissan Pathfinder 2007 with diesel YD25DDTi associated with reliability of the fuel system And turbine. After 150–200 thousand kilometers, problems often begin:
- ⚠️ Common Rail injectors: wear or contamination leads to uneven operation of the motor, jerking and error
P0300(misfire). Replacing the kit costs 80–120 thousand rubles. - 🌀 Turbine Garrett GT2056V: the resource is about 150 thousand km, after which oil burning, a whistle or a “rush” of revolutions appears. Repair with cartridge replacement - from 50 thousand rubles.
- 🔋 Dual mass flywheel: fails at 180–200 thousand km, signs are vibrations at idle and when starting off. Replacement costs 30–40 thousand rubles.
- 🔄 Automatic transmission RE5R05A: “weak point” - solenoids and valve body. If you do not change the oil on time (every 60 thousand km), jerks and delays when switching begin.
Another common problem is body corrosion, especially in the wheel arches and on the sills. Many cars have already been overhauled, so be sure to check the body repair history when purchasing. Owners also complain about weak electronics: ABS sensors, climate control unit and steering column switches often fail.
What should I do if my Pathfinder won't start in winter?
If the diesel engine does not start at sub-zero temperatures, check:
1. Condition of the glow plugs (resistance should be 0.5–6 Ohms).
2. Pressure in the fuel rail (the norm is 250–300 bar).
3. Quality of diesel fuel - at −15°C and below, it is recommended to use winter diesel fuel with additives.
If the problem persists, the filter may be clogged or the return valve may be faulty.
Fuel consumption: real numbers from owners
Official fuel consumption for Nissan Pathfinder 2.5 diesel is:
- City: 12.5 l/100 km
- Highway: 7.5 l/100 km
- Combined cycle: 9.5 l/100 km
But real performance, according to reviews, greatly depends on the driving style and condition of the car.
| Driving conditions | Consumption (l/100 km) | Notes |
|---|---|---|
| City (traffic) | 13–15 | In winter +2–3 l due to warm-up and heating turned on |
| Route (90–110 km/h) | 7.5–8.5 | At speeds above 130 km/h, consumption increases to 10–11 l |
| Mixed cycle | 9.5–11.5 | With aggressive driving it can reach 13–14 liters |
| Off-road (mud, snow) | 14–18 | Depends on all-wheel drive and locking |
The owners note that after USR cleaning and replacing the air filter, consumption decreases by 0.5–1 l/100 km. And if you install EGR blocker (which is not environmentally friendly, but practical), savings reach 10–15%. However, this can lead to problems with passing maintenance.
The optimal fuel consumption for the Pathfinder 2.5 diesel is 9.5–10.5 l/100 km in the combined cycle. If your car consumes more than 12 liters, this is a reason to check the injectors, turbine and pressure in the fuel system.
Comparison with petrol versions and competitors
Before purchasing Pathfinder R51 many hesitate between diesel 2.5 YD25DDTi and gasoline engines 2.5 QR25DE (165 hp) or 3.5 VQ35DE (253 hp). Let's compare them based on key parameters:
| Parameter | 2.5 diesel | 2.5 petrol | 3.5 petrol |
|---|---|---|---|
| Flow (mixed) | 9.5–11.5 l | 12–14 l | 14–16 l |
| Engine life | 300–400 thousand km | 250–300 thousand km | 300–350 thousand km |
| Dynamics 0–100 km/h | 11.5 s | 12.0 s | 8.5 s |
| Repair cost | High (turbine, injectors) | Average | High (timing chains, oil burner) |
Compared with competitors, then Toyota Fortuner 3.0 D-4D (170 hp) is more reliable, but less dynamic. A Mitsubishi Pajero Sport 3.2 Di-D (160 hp) loses in comfort, but wins in cross-country ability. Main advantage Pathfinder — price: on the secondary market it is 200–300 thousand rubles cheaper than its Japanese counterparts.
- Compare service history (diesel requires changing oil and filters more often)
- Check the compression in the cylinders (the norm for a diesel engine is 28–32 bar)
- Assess the condition of the turbine (are there any oil leaks or play)
- Check to see if the automatic transmission has been repaired (in petrol versions it fails more often) -->
Is it worth buying a 2007 Nissan Pathfinder 2.5 diesel today?
Purchase decision Pathfinder R51 with diesel YD25DDTi depends on your priorities. The car is suitable if:
- 💰 Do you need economical crossover for a family (7 seats + large trunk).
- 🛣️ You often drive on the highway or outside the city, where traction at low speeds is important.
- 🔧 Are you ready to invest in preventive maintenance (oil change every 7–8 thousand km, USR cleaning, turbine diagnostics).
But it is better to refuse the purchase if:
- You are looking for a car “without investment” - a diesel engine will require attention after 150 thousand km.
- You plan to drive only around the city (risk of problems with the particulate filter and USR).
- Not ready to spend on fuel equipment (injectors, fuel injection pump).
⚠️ Attention:Be sure to check before purchasing service history by VIN. Many Pathfinder imported from Europe, where they could drive on biodiesel - this reduces the life of the engine. Also check if there was disabling the diesel particulate filter (DPF), which can cause problems with electronics.
Average price for Nissan Pathfinder 2007 2.5 diesel today - 600–900 thousand rubles, depending on mileage and condition. The best option is a car with a mileage of up to 150 thousand km, with a full maintenance history and an undamaged body. If your budget allows, consider newer versions Pathfinder R52 (2013+) - they are more reliable, but also more expensive.
Operating tips: how to extend the life of a diesel engine
To YD25DDTi lasted longer, follow these recommendations:
- Oil: use only 5W-30 or 5W-40 with permission
API CF-4orACEA C3. Change every 7–8 thousand km (at least!). - Fuel: refuel at proven gas stations (better Lukoil, Gazpromneft, Rosneft). In winter, use antigel additives.
- Filters: air - every 15 thousand km, fuel - every 30 thousand km. Don't skimp on original filters!
- Warming up: In winter, warm up the engine for at least 3-5 minutes before driving. Avoid short trips (less than 10 km) - this kills diesel.
- Turbine: Before stopping, let the engine idle for 1-2 minutes to cool the turbine.
It is also recommended every 100 thousand km:
- Clean the valve EGR (or block it if you don’t mind the environment).
- Check the condition of the particulate filter DPF (if the filter is clogged, the machine goes into emergency mode).
- Diagnose injectors on a stand (cost - about 5 thousand rubles).
⚠️ Attention: Never turn off the engine immediately after intense use (for example, overtaking). A sudden temperature change destroys turbine bearings. If you ignore this rule, the turbine life is reduced by 2–3 times.
For diesel diagnostics YD25DDTi a scanner will do Launch CReader or ELM327 with the program Torque Pro. It can be used to check fuel rail pressure, coolant temperature and turbine errors.
FAQ: Frequently asked questions about the 2007 Nissan Pathfinder 2.5 diesel
What is the real service life of the YD25DDTi engine?
With proper maintenance, the engine runs 300–400 thousand km. However, after 200 thousand km, replacement of the turbine, injectors and dual-mass flywheel is often required. The resource depends on the quality of fuel and oil - if you skimp on them, the engine may “die” by 150 thousand km.
Is it worth taking a Pathfinder with an automatic transmission or is it better to buy a manual?
If you drive mostly around the city, it is better to choose mechanics - it is more reliable and cheaper to repair. Automatic transmission RE5R05A requires an oil change every 60 thousand km and often becomes capricious after 150 thousand km (jerks, delays in switching). The manual transmission is more durable, but less comfortable in traffic jams.
What oils and liquids should I put in the Pathfinder 2.5 diesel?
Recommended liquids:
- Motor oil: Nissan 5W-30 KE900-90042 or analogues (Mobil 1 ESP 5W-30, Liqui Moly Top Tec 4200).
- Transmission oil (automatic transmission): Nissan Matic S (original) or Idemitsu ATF Type-J.
- Coolant: Nissan L248 Premix (green, ethylene glycol based).
- Brake fluid: DOT-4 (replace every 2 years).
What is the ground clearance of the Pathfinder R51 and can it be increased?
Standard ground clearance - 215 mm. It can be increased by 20–30 mm using spacers for springs or replacing shock absorbers with Bilstein B4/B6. However, this can worsen controllability and reduce the life of CV joints. An alternative is high profile tires (e.g. 235/70 R16 instead of standard 235/65 R17).
Which is better: Pathfinder 2.5 diesel or Toyota Fortuner 3.0 diesel?
Toyota Fortuner more reliable in terms of a diesel engine (lifetime 1GD-FTV up to 500 thousand km), but loses in comfort and equipment. Pathfinder Cheaper to buy, but more expensive to maintain. If reliability is your priority, take it Fortuner. If needed 7 seats, all-wheel drive and low price — Pathfinder R51.