SKYACTIV-G 2.5 Mazda SKYACTIV-G 2.5
Атмосферний 4-циліндровий двигун з високим ступенем стиснення, розроблений для підвищення ефективності та зниження викидів.
44
Brand engines
3
Modifications
Technical Specifications
| Engine Displacement | 2.5 L (2,488 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 184 - 186 л.с. |
| Torque | 250 - 262 Н*м |
| Cylinder Bore | 89.00 mm |
| Piston Stroke | 100.00 mm |
| Compression Ratio | 13.0:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Direct Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 4,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 200000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 150 kg |
| Dimensions (L×W×H) | 600 × 500 × 600 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | SKYACTIV engine family |
| Manufacturing Plant | Hiroshima, Japan |
Maintenance
| Engine Oil Capacity | 5.7 L (with filter: 6 L) |
| Recommended Viscosity | 0W-20, 5W-20 |
| Oil Standard | API SN, ILSAC GF-5 |
| Recommended Brands | Mazda Genuine Oil, Castrol, Mobil 1 |
| Oil Change Interval | 10 000 km or 12 mo |
| Oil Filter | B6Y1-14-302 |
| Air Filter |
B6Y1-13-Z40
Replace every 48 000 km |
| Spark Plugs |
Type: Iridium Part number: LZFR5B-11Gap: 1 mm Quantity: 4 pcs Replace every 100 000 km |
| Coolant Capacity | 7 L |
| Coolant Type | G12 (Mazda Genuine Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 600-900 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil consumption issues | Medium | 100000-150000 km | $500-1000 |
| Timing chain tensioner noise | Medium | 80000-120000 km | $300-600 |
Known defects
- Some early models had issues with oil consumption
- Potential for timing chain noise
Warranty extensions
- Mazda offers extended warranty options up to 10 years/100000 miles
Tuning potential
Tuning potential: Medium | Max. safe power: 300 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 210 hp | 280 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 240 hp | 320 Nm |
- Required: Cold air intake, ECU remap Reliability impact: Low |
$1200 |
| Stage 3 | 280 hp | 360 Nm |
- Required: Turbocharger kit, ECU remap Reliability impact: Medium |
$3000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- Exhaust system upgrade
Tuning limitations
- Stock internals limit power potential
- Cooling system upgrades recommended for high power
Cars with the SKYACTIV-G 2.5 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Mazda | CX-9 | CX-9 II (TC) | 2016 - present |
All modifications (3)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Mazda CX-9 | CX-9 II (TC) | 2.5L SKYACTIV-G 184 л.с. 6-МКП 2WD | 184 hp | 6-МКП | 2WD |
| Mazda CX-9 | CX-9 II (TC) | 2.5L SKYACTIV-G 184 л.с. 6-Автомат 2WD | 184 hp | 6-Автомат | 2WD |
| Mazda CX-9 | CX-9 II (TC) | 2.5L SKYACTIV-G 184 л.с. 6-Автомат 4x4 | 184 hp | 6-Автомат | 4x4 |
Interesting Facts
- First engine to feature Mazda's SKYACTIV technology.
- Designed to improve fuel efficiency and reduce emissions.
Applications
Total produced: загальна кількість випущених двигунів
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Mazda Mazda6 | GJ | 2012-2020 | 184hp | Global |
| Mazda Mazda CX-5 | KE | 2012-2017 | 184hp | Global |
Compatible transmissions: 6-speed Manual, 6-speed Automatic
Drive types: FWD, AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 91 | Recommended: 95 |
| Consumption (City) | 9 L/100km |
| Consumption (Highway) | 6.5 L/100km |
| Consumption (Combined) | 7.5 L/100km |
| Real Consumption | 8 L/100km |
| Fuel Tank Capacity | 60 L |
| Range | 800 km |
| Cost per 100 km | 10-12 USD |
Emissions Standards
| Emission Standard | Euro 6 |
| CO₂ Emissions | 168 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- International Engine of the Year (2013) — 1.8L to 2.0L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| K24Z3 | Honda | 2,356 cc | 190 hp | 245 Nm |
| 2AR-FE | Toyota | 2,494 cc | 178 hp | 233 Nm |
Pros
- High compression ratio for better efficiency
- Lightweight design
- Good balance of power and fuel economy
Cons
- Potential oil consumption issues
- Less power compared to turbocharged competitors