L26 Buick L26 3800 Series III
4.2-літровий V6 двигун Buick, відомий своєю плавною роботою та надійністю, але потребує регулярного обслуговування для запобігання витокам масла.
16
Brand engines
8
Modifications
Technical Specifications
| Engine Displacement | 3.8 L (3,791 cc) |
| Configuration | V6 |
| Number of Cylinders | 6 |
| Valves per Cylinder | 2 |
| Power | 200 - 205 л.с. |
| Torque | 305 - 313 Н*м |
| Cylinder Bore | 96.50 mm |
| Piston Stroke | 86.40 mm |
| Compression Ratio | 9.4:1 |
| Firing Order | 1-6-5-4-3-2 |
| Fuel System | Sequential Fuel Injection |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 4,000 rpm |
| Valve Train | OHV |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Cast Iron |
| Head Material | Aluminum |
| Engine Weight | 170 kg |
| Dimensions (L×W×H) | null mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | GM 3800 V6 |
| Manufacturing Plant | Flint, Michigan, USA |
| Predecessor | L36 |
| Successor | null |
Maintenance
| Engine Oil Capacity | 4.7 L (with filter: 4.9 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | API SM |
| Recommended Brands | ACDelco, Mobil 1, Valvoline |
| Oil Change Interval | 12 000 km or 12 mo |
| Oil Filter | PF47 |
| Air Filter |
A1618C
Replace every 48 000 km |
| Fuel filter | GF578 |
| Cabin Filter | null |
| Spark Plugs |
Type: Platinum Part number: 41-101Gap: 1.5 mm Quantity: 6 pcs Replace every 160 000 km |
| Coolant Capacity | 12.3 L |
| Coolant Type | Dex-Cool (ACDelco) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 91°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 120°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
Expected lifespan: 350 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Intake manifold gasket failure | Medium | 100000-150000 km | $400-600 |
| Coolant elbow leaks | Low | 80000-120000 km | $50-100 |
Known defects
- Plastic intake manifold prone to cracking
Warranty extensions
- null
Tuning potential
Tuning potential: Low | Max. safe power: 280 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 220 hp | 330 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 240 hp | 350 Nm |
- Required: Cold air intake, Performance exhaust Reliability impact: Low |
$1500 |
| Stage 3 | 260 hp | 370 Nm |
- Required: Supercharger kit, Upgraded fuel injectors Reliability impact: Medium |
$5000 |
Popular modifications
- Cold air intake
- Performance exhaust
- ECU remap
Tuning limitations
- Limited by naturally aspirated design
- Stock internals not suitable for high boost
Детальні технічні характеристики
2
модифікацій
197–203
к.с.
Спільні характеристики
| Body type | Sedan |
| Boost type | none |
| Capacity | 3791 cm3 |
| City driving fuel consumption per 100 km | 11.8 l |
| Compression ratio | 9.4 |
| Country | USA |
| Cylinder bore | 96.5 mm |
| Cylinder layout | V-type |
| Engine code | L26 |
| Engine model | L26 |
| Engine placement | Front, transverse |
| Engine type | Gasoline |
| Front suspension | Independent, spring |
| Fuel | 95 |
| Highway driving fuel consumption per 100 km | 8.1 l |
| Injection type | distributed injection (multipoint) |
| Number of cylinders | 6 |
| Number of doors | 4 |
| Number of gear | 4 |
| Number of seater | 5, 6 |
| Rear brakes | Disc |
| Steering wheel position | Left |
| Stroke cycle | 86.4 mm |
| Timing belt | OHV |
| Valves per cylinder | 2 |
Модифікації двигуна
3.8 AT (197 hp)
Привід Front wheel drive
КПП Automatic
Lucerne 1
2005–2008
197 hp
engine
Engine power
197 hp
Fuel tank capacity
70 l
Max power (kW)
145 kW
Max power at RPM
5200 RPM
Max trunk capacity
481 l
Maximum torque
305 N*m
Min trunk capacity
481 l
Turnover of maximum torque
4000 RPM
performance
Acceleration (0-100 km/h)
9.0 s
Max speed
180 km/h
fuel
Cruising range
from 590 to 860 km
transmission
Drive wheels
Front wheel drive
Gearbox type
Automatic
dimensions
Back track width
1578 mm
Clearance
140 mm
Curb weight
1745 kg
Front track width
1589 mm
Full weight
2240 kg
Height
1473 mm
Length
5182 mm
Wheelbase
2934 mm
Width
1880 mm
suspension
Back suspension
Independent, spring
Front brakes
Disc
other
Car class
F
Front track
1589 mm
Rear track
1578 mm
3.8 AT (203 hp)
Привід Front wheel drive
КПП Automatic
LaCrosse I (North America)
2004–2009
203 hp
engine
Engine power
203 hp
Fuel tank capacity
66 l
Max power (kW)
149 kW
Max power at RPM
5200 RPM
Maximum torque
305 N*m
Min trunk capacity
453 l
Turnover of maximum torque
4000 RPM
performance
Acceleration (0-100 km/h)
9.3 s
Max speed
229 km/h
fuel
Mixed driving fuel consumption per 100 km
10.2 l
transmission
Drive wheels
Front wheel drive
Gearbox type
Automatic
dimensions
Back track width
1560 mm
Clearance
150 mm
Curb weight
1620 kg
Front track width
1565 mm
Full weight
1980 kg
Height
1458 mm
Length
5030 mm
Wheelbase
2805 mm
Width
1853 mm
suspension
Back suspension
Dependent, spring
Front brakes
ventilated disc
Wheel size
225/60/R16
other
Car class
E
Cars with the L26 engine
This engine was fitted to 3 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Buick | Lucerne | Lucerne | 2005 - 2011 |
|
No photo
|
Cadillac | DTS | DTS | 2006 - 2011 |
|
No photo
|
Datsun | 200/220/260/280C | 200/220/260/280C | 1975 - 1979 |
All modifications (8)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Buick Lucerne | Lucerne | 3.8L V6 197 л.с. 4-Автомат 2WD | 197 hp | 4-Автомат | 2WD |
| Buick Lucerne | Lucerne | 3.8L V6 197 л.с. 6-Автомат 2WD | 197 hp | 6-Автомат | 2WD |
| Buick Lucerne | Lucerne | 4.6L V8 292 л.с. 6-Автомат 2WD | 292 hp | 6-Автомат | 2WD |
| Buick Lucerne | Lucerne | 4.6L V8 292 л.с. 6-Автомат 4x4 | 292 hp | 6-Автомат | 4x4 |
| Cadillac DTS | DTS | Cadillac DTS 4.6L V8 275 л.с. 4-Автомат 2WD | 275 hp | 4-Автомат | 2WD |
| Cadillac DTS | DTS | Cadillac DTS 4.6L V8 275 л.с. 6-Автомат 2WD | 275 hp | 6-Автомат | 2WD |
| Cadillac DTS | DTS | Cadillac DTS 4.6L V8 275 л.с. 6-Автомат 4x4 | 275 hp | 6-Автомат | 4x4 |
| Datsun 200/220/260/280C | 200/220/260/280C | Datsun 260C 2.6 150 л.с. 3-Автомат 2WD | 150 hp | 3-Автомат | 2WD |
Interesting Facts
- The Buick L26 engine is part of the legendary 3800 V6 series, known for its durability and reliability.
- It was one of the last naturally aspirated engines in the 3800 series before GM discontinued it.
Applications
Total produced: null
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Buick LaCrosse | First Generation | 2005-2008 | 200hp | North America |
| Buick Lucerne | First Generation | 2006-2008 | 200hp | North America |
Compatible transmissions: 4-speed Automatic 4T65-E
Drive types: FWD
Fuel Economy
| Fuel Type | Petrol 87 |
| Octane Rating | Minimum: 87 | Recommended: 87 |
| 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 | 68 L |
| Range | 694 km |
| Cost per 100 km | 10-12 USD |
Emissions Standards
| Emission Standard | Euro 4 |
| CO₂ Emissions | 230 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Ward's 10 Best Engines (2005) — V6 Engines