J25A Suzuki J25A

Двигун V6 від Suzuki, відомий своєю надійністю та плавною роботою, але потребує регулярного обслуговування для запобігання проблемам з прокладкою головки блоку циліндрів.

Brand: Suzuki Type: Petrol Configuration: V6 Production Years: 2001 - 2010 Production: Suzuki, Japan
31 Brand engines
4 Modifications

Technical Specifications

Engine Displacement 2.5 L (2,490 cc)
Configuration V6
Number of Cylinders 6
Valves per Cylinder 4
Power 150 - 175 л.с.
Torque 220 - 250 Н*м
Cylinder Bore 86.00 mm
Piston Stroke 78.00 mm
Compression Ratio 10.0:1
Firing Order 1-2-3-4-5-6
Fuel System Multi-point Fuel Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 6,000 rpm
Max Torque RPM 4,000 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 100,000 km
Block Material Aluminum
Head Material Aluminum
Engine Weight 160 kg
Dimensions (L×W×H) 600 × 500 × 600 mm
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family Suzuki J series
Manufacturing Plant Suzuki, Japan

Maintenance

Engine Oil Capacity 5 L (with filter: 5.5 L)
Recommended Viscosity 5W-30
Oil Standard API SL
Recommended Brands Castrol, Mobil, Shell
Oil Change Interval 10 000 km or 12 mo
Oil Filter 16510-81A00
Air Filter 13780-81A00
Replace every 30 000 km
Spark Plugs Type: Iridium
Part number: 3392
Gap: 1 mm
Quantity: 6 pcs
Replace every 60 000 km
Coolant Capacity 7 L
Coolant Type G12 (Suzuki Coolant)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 500-800 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
Timing belt wear Medium 80000-120000 km $300-500
Oil leaks from gaskets Low 100000-150000 km $200-400

Known defects

  • Some early models had issues with oil consumption

Warranty extensions

  • Suzuki offers extended warranty options for engine components

Tuning potential

Tuning potential: Medium | Max. safe power: 250 hp

Stage Power Torque Method Cost
Stage 1 180 hp 260 Nm ECU remap only
Reliability impact: Minimal
$400
Stage 2 210 hp 300 Nm -
Required: Cold air intake, ECU remap
Reliability impact: Low
$1200
Stage 3 240 hp 350 Nm -
Required: Turbocharger kit, ECU remap
Reliability impact: Medium
$3000

Popular modifications

Tuning limitations

  • Stock fuel system limitations
  • Turbo upgrades require extensive modifications

Cars with the J25A engine

This engine was fitted to 2 models

Photo Brand Model Generation Production years
No photo
Suzuki Grand Vitara Grand Vitara 1998 - 2006
No photo
Honda Inspire Inspire (CC1) 1989 - 1995

All modifications (4)

Vehicle Generation Modification Power Gearbox Drive
Suzuki Grand Vitara Grand Vitara 2.5 163 л.с. 5-МКП 2WD 163 hp 5-МКП 2WD
Suzuki Grand Vitara Grand Vitara 2.5 163 л.с. 4-Автомат 2WD 163 hp 4-Автомат 2WD
Suzuki Grand Vitara Grand Vitara 2.5 163 л.с. 5-МКП 4x4 163 hp 5-МКП 4x4
Honda Inspire Inspire (CC1) 2.5 SOHC 150 л.с. 4-Автомат 2WD 150 hp 4-Автомат 2WD

Interesting Facts

  • The J25A engine was known for its smooth operation and reliability.
  • It was used in multiple Suzuki models, contributing to their popularity.

Applications

Total produced: approximately 300000

Vehicle Generation Years Power Markets
Suzuki Grand Vitara 2nd 2005-2010 150hp/175hp Europe, Asia, Australia
Suzuki XL-7 1st 2001-2006 150hp North America

Compatible transmissions: 5-speed Manual, 4-speed Automatic

Drive types: AWD, RWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 95 | Recommended: 98
Consumption (City) 12.5 L/100km
Consumption (Highway) 8 L/100km
Consumption (Combined) 10 L/100km
Real Consumption 11 L/100km
Fuel Tank Capacity 70 L
Range 700 km
Cost per 100 km 15-20 USD

Emissions Standards

Emission Standard Euro 4
CO₂ Emissions 210 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
3.0L V6 Toyota 2,995 cc 190 hp 300 Nm
2.5L V6 Nissan 2,496 cc 175 hp 250 Nm

Pros

  • Compact design for a V6 engine.
  • Good balance of power and fuel efficiency.

Cons

  • Limited tuning potential compared to turbocharged engines.
  • Some models had issues with oil consumption.