M48B45 Porsche M48B45
4.5-літровий V8 двигун Porsche, відомий своєю потужністю та надійністю, але вимагає регулярного обслуговування для підтримки оптимальної роботи.
29
Brand engines
2
Modifications
Technical Specifications
| Engine Displacement | 4.5 L (1,988 cc) |
| Configuration | V8 |
| Number of Cylinders | 8 |
| Valves per Cylinder | 4 |
| Power | 245 - 265 л.с. |
| Torque | 370 - 400 Н*м |
| Cylinder Bore | 85.50 mm |
| Piston Stroke | 89.00 mm |
| Compression Ratio | 9.6:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | Twin-scroll turbocharger |
| Intercooler | Yes |
| Maximum RPM | 6,500 rpm |
| Max Torque RPM | 2,000 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 | Porsche M engine series |
| Manufacturing Plant | Stuttgart, Germany |
Maintenance
| Engine Oil Capacity | 5.5 L (with filter: 6 L) |
| Recommended Viscosity | 0W-20, 5W-30 |
| Oil Standard | ACEA C5, API SN |
| Recommended Brands | Mobil 1, Castrol Edge, Porsche Genuine Oil |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | Porsche 9A1.107.101.01 |
| Air Filter |
Porsche 9A1.177.020.01
Replace every 60 000 km |
| Spark Plugs |
Type: Iridium Part number: Porsche 9A1.192.100.01Gap: 0.8 mm Quantity: 4 pcs Replace every 60 000 km |
| Coolant Capacity | 8 L |
| Coolant Type | G12++ (Porsche Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 90°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 1000-1500 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Turbocharger failure | Medium | 100000-150000 km | $1500-2500 |
| Oil leaks from seals | Low | 80000-120000 km | $300-500 |
Known defects
- Early models had issues with fuel injectors
- Potential for carbon build-up in intake manifold
Warranty extensions
- Porsche offers extended warranty options for up to 10 years
Tuning potential
Tuning potential: Medium | Max. safe power: 450 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 290 hp | 450 Nm |
ECU remap only Reliability impact: Minimal |
$600 |
| Stage 2 | 350 hp | 500 Nm |
ECU, Performance Exhaust Required: Upgraded intercooler, ECU remap Reliability impact: Low |
$2000 |
| Stage 3 | 400 hp | 550 Nm |
- Required: Bigger turbo, Forged internals, Upgraded fuel system Reliability impact: Medium |
$5000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- High-performance exhaust system
Tuning limitations
- Stock turbo limits at ~400hp
- Cooling system needs upgrades for high-performance use
Cars with the M48B45 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Porsche | Cayenne | Cayenne | 2002 - 2010 |
All modifications (2)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Porsche Cayenne | Cayenne | 4.5 V8 340 л.с. 6-МКП 4x4 | 340 hp | 6-МКП | 4x4 |
| Porsche Cayenne | Cayenne | 4.5 V8 340 л.с. 7-Автомат 4x4 | 340 hp | 7-Автомат | 4x4 |
Interesting Facts
- First inline-4 engine used in a Porsche SUV.
- Features advanced turbocharging technology for improved efficiency.
Applications
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Porsche Macan | Type 95B | 2017-present | 245hp/265hp | Europe, USA, Asia |
Compatible transmissions: 7-speed PDK, 6-speed Manual
Drive types: AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 98 |
| Consumption (City) | 10 L/100km |
| Consumption (Highway) | 6.5 L/100km |
| Consumption (Combined) | 8 L/100km |
| Real Consumption | 9 L/100km |
| Fuel Tank Capacity | 65 L |
| Range | 812 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 6 |
| CO₂ Emissions | 165 g/km |
| Particulate Filter (DPF) |
Present Regeneration every 150,000 km |
| AdBlue | Not Required |
Awards and Recognition
- Best Engine (2018) — 2.0L to 2.5L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| EA888 | Volkswagen Group | 1,984 cc | 240 hp | 370 Nm |
| M274 | Mercedes-Benz | 1,991 cc | 211 hp | 350 Nm |
Pros
- High performance for a 4-cylinder engine.
- Good balance of power and fuel efficiency.
Cons
- Higher maintenance costs compared to naturally aspirated engines.
- Potential turbocharger issues.