LFX GM LFX

3.6-літровий V6 двигун з безпосереднім впорскуванням, відомий своєю надійністю та потужністю.

Brand: Buick Type: Petrol Configuration: V6 Production Years: 2011 - теперішній час Production: St. Catharines, Ontario, Canada
16 Brand engines
41 Modifications

Technical Specifications

Engine Displacement 3.6 L (3,564 cc)
Configuration V6
Number of Cylinders 6
Valves per Cylinder 4
Power 302 - 323 л.с.
Torque 358 - 377 Н*м
Cylinder Bore 94.00 mm
Piston Stroke 85.60 mm
Compression Ratio 11.5:1
Firing Order 1-2-3-4-5-6
Fuel System Direct Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 7,000 rpm
Max Torque RPM 4,800 rpm
Valve Train DOHC
Timing Drive Chain
Timing Chain Replacement 250000 or as needed
Block Material Aluminum
Head Material Aluminum
Engine Weight 170 kg
Dimensions (L×W×H) 650 × 600 × 700 mm
Lubrication System Pressure lubrication
Cooling System Liquid cooling

Additional Information

Engine Family GM High Feature V6
Manufacturing Plant St. Catharines, Ontario, Canada
Predecessor LLT

Maintenance

Engine Oil Capacity 5.7 L (with filter: 6 L)
Recommended Viscosity 5W-30
Oil Standard API SN
Recommended Brands ACDelco, Mobil 1, Valvoline
Oil Change Interval 12 000 km or 12 mo
Oil Filter PF63
Air Filter 22829130
Replace every 60 000 km
Cabin Filter 13271190
Spark Plugs Type: Iridium
Part number: 41-109
Gap: 1 mm
Quantity: 6 pcs
Replace every 100 000 km
Coolant Capacity 10.5 L
Coolant Type Dex-Cool (ACDelco)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 92°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 600-1000 USD

Reliability

Reliability rating: 8/10

Expected lifespan: 300 000 km

Common problems

Problem Severity Mileage Repair cost
Timing chain stretch Medium 150000-200000 km $1500-2500
High-pressure fuel pump failure High 100000-150000 km $800-1200

Known defects

  • Early models had issues with timing chain stretch

Warranty extensions

  • GM extended warranty for timing chain issues up to 10 years/120000 miles

Tuning potential

Tuning potential: Medium | Max. safe power: 420 hp

Stage Power Torque Method Cost
Stage 1 340 hp 400 Nm ECU remap only
Reliability impact: Minimal 		$600
Stage 2 370 hp 430 Nm ECU, Exhaust, Intake
Required: Cold air intake, Cat-back exhaust, ECU remap
Reliability impact: Low 		$2500
Stage 3 400 hp 470 Nm -
Required: Upgraded camshafts, High-flow catalytic converters, ECU remap
Reliability impact: Medium 		$5000

Popular modifications

  • Cold air intake
  • Cat-back exhaust
  • ECU remap

Tuning limitations

  • Stock internals limit high power gains
  • Cooling system upgrades recommended for track use

Детальні технічні характеристики

2
модифікацій
303–304
к.с.

Спільні характеристики

Acceleration (0-100 km/h) 6.8 s
Back suspension Independent, spring
Back track width 1575 mm
Body type Sedan
Boost type none
Capacity 3564 cm3
Car class E
Clearance 165 mm
Compression ratio 11.5
Country USA
Cylinder bore 94.0 mm
Cylinder layout V-type
Emission standards Euro 4
Engine code LFX
Engine placement Front, transverse
Engine type Gasoline
Front brakes ventilated disc
Front suspension Independent, spring
Front track width 1567 mm
Fuel 95
Height 1504 mm
Highway driving fuel consumption per 100 km 9.0 l
Injection type distributed injection (multipoint)
Length 5001 mm
Mixed driving fuel consumption per 100 km 11.8 l
Number of cylinders 6
Number of doors 4
Number of gear 6
Number of seater 5
Rear brakes Disc
Steering wheel position Left
Stroke cycle 85.6 mm
Timing belt DOHC
Valves per cylinder 4
Wheelbase 2837 mm
Width 1857 mm

Модифікації двигуна

3.6 AT 4WD (304 hp)
Привід All wheel drive (AWD) КПП Automatic LaCrosse 2 [рест.] 2013–2016
304 hp
engine
Engine model LFX
Engine power 304 hp
Max power (kW) 227 kW
Max power at RPM 6800 RPM
Maximum torque 358 N*m
Turnover of maximum torque 5300 RPM
performance
Max speed 243 km/h
fuel
City driving fuel consumption per 100 km 13.8 l
transmission
Drive wheels All wheel drive (AWD)
Gearbox type Automatic
dimensions
Curb weight 1878 kg
suspension
Wheel size 235/50/R17 235/50/R18 245/45/R19 245/40/R20
3.6 AT 4WD (303 hp)
Привід All wheel drive (AWD) КПП Automatic LaCrosse 2 2009–2013
303 hp
engine
Engine model lfx
Engine power 303 hp
Max power (kW) 223 kW
Max power at RPM 6800 RPM
Maximum torque 351 N*m
Turnover of maximum torque 5200 RPM
performance
Max speed 245 km/h
fuel
City driving fuel consumption per 100 km 14.7 l
transmission
Drive wheels All wheel drive (AWD)
Gearbox type Automatic
dimensions
Curb weight 1903 kg

Cars with the LFX engine

This engine was fitted to 13 models

Photo Brand Model Generation Production years
No photo
 Buick Park Avenue Park Avenue III 2007 - 2012
No photo
 Buick Regal Regal 2009 - 2017
No photo
 Cadillac CTS CTS II 2008 - 2014
No photo
 Cadillac SRX SRX 2004 - 2009
No photo
 Cadillac SRX SRX II 2009 - 2016
No photo
 Cadillac STS STS II 2008 - 2012
No photo
 Chevrolet Equinox Equinox II 2010 - 2017
No photo
 Chevrolet Impala Impala 2006 - 2013
No photo
 Chevrolet Malibu Malibu VII 2008 - 2012
No photo
 Chevrolet Malibu Malibu VIII 2012 - 2015
No photo
 Chevrolet TrailBlazer TrailBlazer II 2012 - 2020
No photo
 Chevrolet Traverse Traverse 2009 - 2017
No photo
 GMC Terrain Terrain 2010 - 2017
No photo
 Chevrolet Captiva Sport Captiva Sport (C100) 2008 - 2016
No photo
 Holden UTE UTE (VE) 2007 - 2013

All modifications (41)

Vehicle Generation Modification Power Gearbox Drive
Buick Park Avenue Park Avenue III 3.6L V6 280 л.с. 6-Автомат 2WD 280 hp 6-Автомат 2WD
Buick Park Avenue Park Avenue III 3.6L V6 280 л.с. 8-Автомат 2WD 280 hp 8-Автомат 2WD
Buick Park Avenue Park Avenue III 3.6L V6 280 л.с. 6-Автомат 4x4 280 hp 6-Автомат 4x4
Buick Regal Regal 3.6L V6 304 л.с. 6-МКП 2WD 304 hp 6-МКП 2WD
Buick Regal Regal 3.6L V6 304 л.с. 6-Автомат 2WD 304 hp 6-Автомат 2WD
Cadillac CTS CTS II Cadillac CTS 3.6 V6 321 л.с. 6-МКП 2WD 321 hp 6-МКП 2WD
Cadillac CTS CTS II Cadillac CTS 3.6 V6 321 л.с. 7-Автомат 2WD 321 hp 7-Автомат 2WD
Cadillac CTS CTS II Cadillac CTS 3.6 V6 321 л.с. 6-МКП 4x4 321 hp 6-МКП 4x4
Cadillac CTS CTS II Cadillac CTS 3.6 V6 321 л.с. 7-Автомат 4x4 321 hp 7-Автомат 4x4
Cadillac SRX SRX 2.8L V6 300 л.с. 6-Автомат 2WD 300 hp 6-Автомат 2WD
Cadillac SRX SRX 2.8L V6 300 л.с. 6-Автомат 4x4 300 hp 6-Автомат 4x4
Cadillac SRX SRX 2.8L V6 300 л.с. 7-Автомат 2WD 300 hp 7-Автомат 2WD
Cadillac SRX SRX 2.8L V6 300 л.с. 7-Автомат 4x4 300 hp 7-Автомат 4x4
Cadillac SRX SRX II 3.6 V6 308 л.с. 6-МКП 2WD 308 hp 6-МКП 2WD
Cadillac SRX SRX II 3.6 V6 308 л.с. 6-МКП 4x4 308 hp 6-МКП 4x4
Cadillac SRX SRX II 2.8 V6 265 л.с. 6-МКП 2WD 265 hp 6-МКП 2WD
Cadillac SRX SRX II 2.8 V6 265 л.с. 6-МКП 4x4 265 hp 6-МКП 4x4
Cadillac STS STS II Cadillac STS 3.6L V6 304 л.с. 6-МКП 2WD 304 hp 6-МКП 2WD
Cadillac STS STS II Cadillac STS 3.6L V6 304 л.с. 6-Автомат 2WD 304 hp 6-Автомат 2WD
Cadillac STS STS II Cadillac STS 3.6L V6 304 л.с. 6-Автомат 4x4 304 hp 6-Автомат 4x4
Chevrolet Equinox Equinox II 3.6L V6 301 л.с. 6-Автомат 2WD 301 hp 6-Автомат 2WD
Chevrolet Equinox Equinox II 3.6L V6 301 л.с. 6-Автомат 4x4 301 hp 6-Автомат 4x4
Chevrolet Impala Impala 3.6L V6 303 л.с. 6-Автомат 2WD 303 hp 6-Автомат 2WD
Chevrolet Impala Impala 3.6L V6 303 л.с. 6-Автомат 4x4 303 hp 6-Автомат 4x4
Chevrolet Malibu Malibu VII 3.6L V6 252 л.с. 6-МКП 2WD 252 hp 6-МКП 2WD
Chevrolet Malibu Malibu VII 3.6L V6 252 л.с. 6-Автомат 2WD 252 hp 6-Автомат 2WD
Chevrolet Malibu Malibu VII 3.6L V6 252 л.с. 6-Автомат 4x4 252 hp 6-Автомат 4x4
Chevrolet Malibu Malibu VIII 3.6L V6 303 л.с. 6-Автомат 2WD 303 hp 6-Автомат 2WD
Chevrolet TrailBlazer TrailBlazer II 3.6 V6 305 л.с. 6-МКП 2WD 305 hp 6-МКП 2WD
Chevrolet TrailBlazer TrailBlazer II 3.6 V6 305 л.с. 6-Автомат 2WD 305 hp 6-Автомат 2WD
Chevrolet TrailBlazer TrailBlazer II 3.6 V6 305 л.с. 6-МКП 4x4 305 hp 6-МКП 4x4
Chevrolet TrailBlazer TrailBlazer II 3.6 V6 305 л.с. 6-Автомат 4x4 305 hp 6-Автомат 4x4
Chevrolet Traverse Traverse 3.6L V6 281 л.с. 6-МКП 2WD 281 hp 6-МКП 2WD
Chevrolet Traverse Traverse 3.6L V6 281 л.с. 6-Автомат 2WD 281 hp 6-Автомат 2WD
Chevrolet Traverse Traverse 3.6L V6 281 л.с. 6-Автомат 4x4 281 hp 6-Автомат 4x4
Chevrolet Traverse Traverse 3.6L V6 281 л.с. 7-Автомат 2WD 281 hp 7-Автомат 2WD
Chevrolet Traverse Traverse 3.6L V6 281 л.с. 7-Автомат 4x4 281 hp 7-Автомат 4x4
GMC Terrain Terrain 3.6L V6 301 л.с. 6-Автомат 2WD 301 hp 6-Автомат 2WD
GMC Terrain Terrain 3.6L V6 301 л.с. 6-Автомат 4x4 301 hp 6-Автомат 4x4
Chevrolet Captiva Sport Captiva Sport (C100) 3.6L V6 288 л.с. 6-Автомат 4x4 288 hp 6-Автомат 4x4
Holden UTE UTE (VE) 3.6L V6 210 л.с. 6-МКП 2WD 210 hp 6-МКП 2WD

Interesting Facts

  • The LFX engine features integrated exhaust manifolds for improved efficiency
  • It was one of the first GM engines to use direct injection technology

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Buick LaCrosse Third generation 2012-2016 303hp North America
Buick Enclave First generation 2012-2017 288hp North America

Compatible transmissions: 6-speed Automatic, 9-speed Automatic

Drive types: FWD, AWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 91 | Recommended: 95
Consumption (City) 12.4 L/100km
Consumption (Highway) 7.8 L/100km
Consumption (Combined) 9.8 L/100km
Real Consumption 10.5 L/100km
Fuel Tank Capacity 70 L
Range 714 km
Cost per 100 km 15-18 USD

Emissions Standards

Emission Standard Euro 5
CO₂ Emissions 229 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Awards and Recognition

  • Ward's 10 Best Engines (2012) — 3.0L to 4.0L

Comparison with competitors

Engine Brand Displacement Power Torque
3.5L V6 Ford 3,496 cc 290 hp 345 Nm
3.6L Pentastar Chrysler 3,604 cc 295 hp 353 Nm

Pros

  • High power output for its class
  • Smooth and refined operation
  • Advanced direct injection technology

Cons

  • Potential timing chain issues
  • Higher fuel consumption compared to competitors