M4R 740 Renault M4R 740
Атмосферний 4-циліндровий двигун, відомий своєю надійністю та економічністю.
81
Brand engines
4
Modifications
Technical Specifications
| Engine Displacement | 2.0 L (3,498 cc) |
| Configuration | V6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 4 |
| Power | 240 - 300 л.с. |
| Torque | 330 - 400 Н*м |
| Cylinder Bore | 95.00 mm |
| Piston Stroke | 80.00 mm |
| Compression Ratio | 10.5:1 |
| Firing Order | 1-2-3-4-5-6 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Naturally Aspirated |
| Turbocharger | null |
| Intercooler | No |
| Maximum RPM | 6,500 rpm |
| Max Torque RPM | 3,500 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 200000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 180 kg |
| Dimensions (L×W×H) | 600 × 600 × 700 mm |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Renault M engine series |
| Manufacturing Plant | Flins, France |
| Predecessor | null |
| Successor | null |
Maintenance
| Engine Oil Capacity | 6.5 L (with filter: 7 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | ACEA A3/B3 |
| Recommended Brands | Total Quartz, Elf Evolution, Mobil 1 |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 7701061980 |
| Air Filter |
8200492325
Replace every 30 000 km |
| Fuel filter | номер або null |
| Cabin Filter | номер або null |
| Spark Plugs |
Type: Iridium Part number: 8200301536Gap: 1 mm Quantity: 6 pcs Replace every 60 000 km |
| Coolant Capacity | 8 L |
| Coolant Type | G12 (Renault 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 | 600-900 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Oil leaks from the valve cover | Medium | 100000-150000 km | $300-500 |
| Timing chain tensioner failure | High | 150000-200000 km | $800-1200 |
Known defects
- Early models had issues with oil consumption
- Potential for overheating if coolant is not maintained
Warranty extensions
- Renault offers extended warranty options for engine components up to 5 years
Tuning potential
Tuning potential: Medium | Max. safe power: 450 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 320 hp | 420 Nm |
ECU remap only Reliability impact: Minimal |
$600 |
| Stage 2 | 360 hp | 460 Nm |
- Required: High-flow exhaust, ECU remap Reliability impact: Low |
$1500 |
| Stage 3 | 400 hp | 500 Nm |
- Required: Upgraded turbo, Intercooler, ECU remap Reliability impact: Medium |
$3000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- High-performance exhaust system
Tuning limitations
- Stock internals may limit power above 400hp
- Cooling system upgrades recommended for high power levels
Cars with the M4R 740 engine
This engine was fitted to 2 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Renault | Megane | Megane III | 2008 - 2016 |
|
No photo
|
Renault | Wind | Wind | 2010 - 2013 |
All modifications (4)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Renault Megane | Megane III | 2.0 16V 140 л.с. 6-МКП 2WD | 140 hp | 6-МКП | 2WD |
| Renault Megane | Megane III | 2.0 16V 140 л.с. 4-Автомат 2WD | 140 hp | 4-Автомат | 2WD |
| Renault Wind | Wind | 2.0 16V 140 л.с. 6-МКП 2WD | 140 hp | 6-МКП | 2WD |
| Renault Wind | Wind | 2.0 16V 140 л.с. 7-Автомат 2WD | 140 hp | 7-Автомат | 2WD |
Interesting Facts
- The M4R engine is known for its smooth power delivery and reliability.
- It was used in several Renault performance models.
Applications
Total produced: null
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Renault Laguna | III | 2007-2015 | 240hp/300hp | Europe |
| Renault Espace | IV | 2006-2015 | 240hp/300hp | Europe |
Compatible transmissions: 6-speed Manual, 6-speed Automatic
Drive types: FWD, AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 98 |
| Consumption (City) | 12 L/100km |
| Consumption (Highway) | 7.5 L/100km |
| Consumption (Combined) | 9.5 L/100km |
| Real Consumption | 10.5 L/100km |
| Fuel Tank Capacity | 70 L |
| Range | 736 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 4 |
| CO₂ Emissions | 220 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Best Engine (2008) — 2.5L to 3.0L
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| EA888 | Volkswagen | 1,984 cc | 300 hp | 380 Nm |
| M276 | Mercedes-Benz | 2,996 cc | 333 hp | 480 Nm |
Pros
- Good balance of power and fuel efficiency
- Relatively low maintenance costs compared to competitors
Cons
- Less power compared to some turbocharged competitors
- Potential for higher oil consumption in older models