Nissan Cedric Y31 (1987–1991): detailed analysis of the Japanese classic

Nissan Cedric Y31 is not just a car, but a symbol of the era of the Japanese automobile industry of the 1980s. Produced between 1987 and 1991, this sedan combined luxury, reliability and innovative technology for its time. Today Y31 became a cult favorite among fans JDM machines, connoisseurs of retro style and tuners who see in it great potential for modifications.

Unlike previous generations Cedric, Y31 received more angular body shapes, improved aerodynamics and an expanded range of engines - from atmospheric RB20 to turbocharged RB26DETT (in versions for the Japanese market). But its main advantage is unique multi-link rear suspension design, which provided excellent handling for a business class car. In this article we will look at everything you need to know about Nissan Cedric Y31: from technical nuances to advice on purchase and operation.

Technical characteristics of Nissan Cedric Y31: engines, transmissions, suspension

With my heart Cedric Y31 steel series engines RB - legendary in-line six-cylinder engines, known for their reliability and tuning potential. The basic version was equipped with atmospheric RB20E (2.0 l, 130 hp), but the turbocharged options are of real interest:

• 🔥 RB20ET — 2.0 l, turbine, 165–180 hp. (depending on year and market)
• 💨 RB20DET — 2.0 l, twin-turbo, 210–220 hp. (Japan only)
• 🏁 RB26DETT — 2.6 l, twin-turbo, 280 hp* (installed on Cedric 31 GTS And Gloria)

*Note: power RB26DETT was limited by the “gentlemen's agreement” of Japanese automakers (280 hp), but the real potential of the engine is much higher.

Transmissions were offered to choose from: 5-speed manual, 4-speed automatic (RE4R01A) or a rare 5-speed automatic transmission (RE5R01A). Front suspension - classic McPherson, behind - multi-link (on top versions) or spring (on basic ones). Brakes - disc on all wheels (ventilated at the front).

Parameter	RB20E	RB20ET	RB20DET	RB26DETT
Volume, l	2.0	2.0	2.0	2.6
Power, hp	130	165–180	210–220	280*
Turbine	—	Single	Twin	Twin (Garrett T25)
Drive	FR / 4WD	FR	FR	FR / 4WD

⚠️ Attention: Upon purchase Cedric Y31 with RB26DETT check the engine history - many copies have gone through swapping or tuning, which could affect the resource.

Version configurations and features: from basic to GTS

Nissan Cedric Y31 was offered in several trim levels, which differed greatly in equipment and target audience. Basic version (Standard or Deluxe) was aimed at taxis and corporate clients, while top modifications (Brougham, Gran Turismo, GTS) were positioned as premium sedans.

Key differences between the packages:

• 🚖 Basic: fabric interior, manual windows, atmospheric RB20E, spring rear suspension.
• 💼 Brougham: leather interior, power accessories, climate control, multi-link suspension, engines RB20ET/RB20DET.
• 🏎️ GTS: sports suspension, RB26DETT, limited slip differential (LSD), unique bumpers and spoiler.

Separately, it is worth mentioning the version Cedric 31 4WD — all-wheel drive modification with the system ATTESA (predecessor of the legendary Skyline GT-R). These cars are extremely rare and highly prized by collectors.

Typical problems and weaknesses: what to look for when purchasing

Despite the legendary reliability, Cedric Y31 has a number of “diseases” characteristic of age and design. The main problems are related to:

1. Corrosion: The sills, arches, and bottoms rust (especially on cars from Hokkaido or coastal regions).
2. Suspension: wear of silent blocks, ball joints, shock absorbers (the original ones have long since expired).
3. Engines:
   • 🔧 RB20E: oil burn, camshaft wear.
   • 🔥 RB20ET/DET: problems with turbines (lifetime ~150–200 thousand km), oil leaks.
   • ⚡ RB26DETT: overheating (weak cooling system), crankshaft wear (during aggressive driving).

Electrical: oxidation of contacts, generator malfunctions, problems with the central locking.

Before purchasing, be sure to check:

⚠️ Attention: Many Cedric Y31 on the secondary market they have “twisted” mileage. Check the service history and compare the condition of the interior/steering wheel with the stated kilometers.

Tuning and modifications: how to unlock the potential of RB engines

Nissan Cedric Y31 — an ideal platform for tuning, especially if there is RB20DET or RB26DETT. Popular modification directions:

• 🔥 Power increase:
  • Replacing turbines with Garrett GT28 or Tomei.
  • Installing a larger intercooler.
  • Chip tuning (for example, Power FC or Haltech).
• 🛠️ Suspension: replacement with Tein or BC Racing, reinforced stabilizers.
• 🎨 Exterior: body kits in style Tommy Kaira or Mine's, LED headlights.

For RB26DETT replacement of standard turbines is relevant Garrett T25 to more productive T28 or GT30, as well as installation injectors 550–740 cc and fuel pump Walbro 450 LPH. With the right approach you can get 400+ hp without loss of reliability.

What happens if you don't upgrade the cooling system on the RB26DETT?

As power increases, the standard radiator and pump cannot cope with heat generation, which leads to overheating, cylinder head deformation and even engine seizure. It is recommended to install an aluminum radiator (for example, Koyorad), oil cooler and thermostat with a lower opening temperature.

The transmission is no less important: for powerful builds it is better to install a reinforced clutch (Nismo or Spec) and limited slip differential (Cusco or Nismo LSD).

Comparison with competitors: Cedric Y31 vs Toyota Chaser vs Mazda Luce

In my class Nissan Cedric Y31 competed with such models as Toyota Chaser (X80), Mazda Luce (HG) And Mitsubishi Debonair. Each of these machines had its own pros and cons:

Parameter	Nissan Cedric Y31	Toyota Chaser X80	Mazda Luce HG
Engines	RB20/26 (inline 6)	1G-GZE/1JZ-GTE (inline 6)	FE-DOHC (V6)
Drive	FR / 4WD	FR	FR
Suspension	Multi-link (rear)	Multi-link	Springs/multi-link
Tuning potential	⭐⭐⭐⭐⭐ (RB engines)	⭐⭐⭐⭐ (1JZ-GTE)	⭐⭐⭐ (difficult to find spare parts)

Main advantage Cedric Y31 - this is RB series engines, which are still supported by tuning studios and have a huge spare parts database. Toyota Chaser wins in reliability (especially with 1JZ-GTE), but is inferior in handling due to the heavier body. Mazda Luce with V6 engines is a rarity, but its maintenance is more expensive.

Where to buy and how much it costs Nissan Cedric Y31 in 2026

Prices for Nissan Cedric Y31 vary greatly depending on condition, configuration and market:

• 🇯🇵 Japan: from 500,000 to 2,000,000 yen (300–1,200 thousand rubles) per copy in good condition.
• 🇷🇺 Russia: from 400,000 to 1,500,000 rubles. (basic versions are cheaper, GTS or 4WD - more expensive).
• 🇺🇸 USA/Europe: from $8,000 to $25,000 (prices are rising due to demand for JDM classics).

Where to look:

• 🌐 Japanese auctions: USS Auctions, Goonex, CarFromJapan.
• 📱 Local boards: Avito, Drom.ru, groups in Telegram/VK.
• 🏁 Specialized forums: JDM Buyers, Nissan Club Russia.

⚠️ Attention: When importing from Japan, please note: customs duties (from 30% to 54% depending on the country) and delivery costs (~$2,000–$4,000). Also check whether the car is listed as stolen (via JAAI or NISSAN Heritage Parts).

Cost of ownership:

• 🔧 Service: ~30–50 thousand rubles/year (depending on the condition).
• 🛢️ Fuel consumption: 10–14 l/100 km (atmospheric versions), 12–18 l/100 km (turbo).
• 🔄 Spare parts: Most parts can be found at disassembly sites or ordered new ones (for example, through Nengun Performance).

Operation and maintenance: advice from owners

To Nissan Cedric Y31 served for a long time, follow these recommendations:

1. Engine:
   • Change the oil every 5,000 km (for turbo engines - synthetics 5W-40 or 10W-50).
   • Check the oil level once a week (especially on RB26DETT — they “eat” oil).
   • Every 100,000 km, change the timing belt, rollers and pump.
2. Transmission:
   • In automatic box (RE4R01A) change the oil every 40,000 km.
   • Check the condition of the axle shaft seals (frequent leaks).
3. Body:
   • Treat the bottom with anti-corrosion agent (especially if the car is driven in winter).
   • Check the stabilizer struts and silent blocks every 20,000 km.

For turbo engines it is critical to use high octane gasoline (not lower than AI-98) and monitor the condition of the intercooler. If the engine begins to “eat” oil (>1 liter per 1,000 km), this is a signal for a major overhaul.

Owners also recommend:

• 🔋 Install an additional battery or capacitor (especially if you have a powerful audio system).
• 🔊 Replace the standard radio with a modern one that supports Apple CarPlay/Android Auto.
• 🌡️ Add a digital oil temperature sensor (to monitor turbo engines).

FAQ: answers to frequently asked questions about the Nissan Cedric Y31

Is it possible to put the RB26DETT in the base version of the Cedric Y31?

Yes, but it will require some modifications:

• Replacement of the pallet (due to differences in fastening).
• Modification of the exhaust system and fuel line.
• Brake system upgrade (standard brakes Y31 not designed for 400+ hp).

The swap will cost ~300–500 thousand rubles. (including engine and work).

What kind of oil should I put in RB20DET?

Recommended oils:

• Motul 8100 X-Cess 5W-40 (semi-synthetic).
• Liqui Moly Leichtlauf 10W-40 (for turbo).
• Nismo Competition 15W-50 (for racing versions).

Volume: 4.8 l (with filter replacement).

How to distinguish the original GTS from the repainted base version?

Signs of a real GTS:

• Unique bumpers with integrated spoilers.
• Rear spoiler (often missing on fakes).
• Nameplate GTS on the rear of the body.
• VIN code: must start with KNY31- (for GTS).

Check also availability RB26DETT and differential LSD.

How much does it cost to overhaul an RB26DETT?

The cost depends on the amount of work:

• Replacement of rings/seals: ~80–120 thousand rubles.
• Complete overhaul (including turbines, cylinder head): ~250–400 thousand rubles.
• Installation of forged pistons and connecting rods: ~150–250 thousand rubles.

Service life after capitalization: 150–200 thousand km with proper operation.

Is it possible to use the Cedric Y31 in winter?

Yes, but with reservations:

• Install winter tires (recommended size: 205/60 R15).
• Check the condition of the battery (turbo engines require powerful starting current).
• Use anti-corrosion treatment (especially for cars from Japan).
• Avoid prolonged warm-ups at idle - this harms the turbines.

For all-wheel drive versions (4WD) winter operation is less problematic thanks to the system ATTESA.