Mulliner 6.8L V8 Bentley Mulliner 6.8L V8

Класичний V8 двигун Bentley з великим об'ємом, відомий своєю потужністю та плавністю роботи.

Brand: Bentley Type: Petrol Configuration: V8 Production Years: 1959 - 2020 Production: Crewe, England
22 Brand engines
5 Modifications

Technical Specifications

Engine Displacement 6.8 L (6,750 cc)
Configuration V8
Number of Cylinders 8
Valves per Cylinder 2
Power 400 - 530 л.с.
Torque 835 - 1100 Н*м
Cylinder Bore 104.10 mm
Piston Stroke 99.10 mm
Compression Ratio 8.5:1
Firing Order 1-5-4-8-6-3-7-2
Fuel System Multi-point fuel injection
Aspiration Turbocharged
Turbocharger Twin-turbo
Intercooler Yes
Maximum RPM 4,200 rpm
Max Torque RPM 1,750 rpm
Valve Train OHV
Timing Drive Chain
Timing Chain Replacement 300000 or as needed
Block Material Aluminum
Head Material Aluminum
Engine Weight 320 kg
Dimensions (L×W×H) 800 × 750 × 700 mm
Lubrication System Dry sump
Cooling System Liquid cooling

Additional Information

Engine Family Bentley L-Series
Manufacturing Plant Crewe, England

Maintenance

Engine Oil Capacity 10.5 L (with filter: 11 L)
Recommended Viscosity 10W-60
Oil Standard API SN
Recommended Brands Castrol Edge, Mobil 1, Shell Helix
Oil Change Interval 15 000 km or 12 mo
Oil Filter 03C115561D
Air Filter 07C133843
Replace every 40 000 km
Fuel filter 3W0201511B
Cabin Filter 3W0819439
Spark Plugs Type: Platinum
Part number: 101905601F
Gap: 0.8 mm
Quantity: 8 pcs
Replace every 60 000 km
Coolant Capacity 20 L
Coolant Type G12++ (Bentley 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 2000-3000 USD

Reliability

Reliability rating: 8/10

Expected lifespan: 400 000 km

Common problems

Problem Severity Mileage Repair cost
Turbocharger oil leaks Medium 100000-150000 km $2000-4000
Cooling system failures High 80000-120000 km $1500-3000

Known defects

  • Early models had cylinder head gasket issues
  • Oil pump failures

Warranty extensions

  • Bentley extended warranty for turbocharger issues up to 7 years/100000 miles

Tuning potential

Tuning potential: Medium | Max. safe power: 800 hp

Stage Power Torque Method Cost
Stage 1 580 hp 1200 Nm ECU remap only
Reliability impact: Minimal 		$1500
Stage 2 650 hp 1300 Nm ECU, Exhaust System
Required: Upgraded intercooler, Exhaust system, ECU remap
Reliability impact: Low 		$5000
Stage 3 750 hp 1400 Nm -
Required: Bigger turbos, Forged internals, Upgraded fuel system
Reliability impact: Medium-High 		$15000

Popular modifications

  • ECU tune
  • Exhaust system upgrade
  • Cold air intake

Tuning limitations

  • Cooling system upgrades required for track use
  • Transmission may need reinforcement at higher power levels

Cars with the Mulliner 6.8L V8 engine

This engine was fitted to 1 model

Photo Brand Model Generation Production years
No photo
 Bentley Azure Azure 1999 - 2009

All modifications (5)

Vehicle Generation Modification Power Gearbox Drive
Bentley Azure Azure 6.75 V8 405 л.с. 6-МКП 2WD 405 hp 6-МКП 2WD
Bentley Azure Azure 6.75 V8 405 л.с. 6-Автомат 2WD 405 hp 6-Автомат 2WD
Bentley Azure Azure 6.75 V8 405 л.с. 6-Автомат 4x4 405 hp 6-Автомат 4x4
Bentley Azure Azure 6.75 V8 530 л.с. 6-Автомат 2WD 530 hp 6-Автомат 2WD
Bentley Azure Azure 6.75 V8 530 л.с. 6-Автомат 4x4 530 hp 6-Автомат 4x4

Interesting Facts

  • One of the longest-running V8 engines in continuous production
  • Originally designed in the 1950s and continuously updated
  • Known for its smooth and powerful performance

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Bentley Mulsanne 2009-2020 2010-2020 505hp/530hp Global
Bentley Brooklands 2008-2011 2008-2011 530hp Global

Compatible transmissions: 8-speed Automatic

Drive types: RWD

Fuel Economy

Fuel Type Petrol 98
Octane Rating Minimum: 95 | Recommended: 98
Consumption (City) 22 L/100km
Consumption (Highway) 12 L/100km
Consumption (Combined) 16 L/100km
Real Consumption 18 L/100km
Fuel Tank Capacity 90 L
Range 500 km
Cost per 100 km 30-40 USD

Emissions Standards

Emission Standard Euro 5
CO₂ Emissions 350 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Awards and Recognition

  • Engine of the Year (2010) — Luxury Performance

Comparison with competitors

Engine Brand Displacement Power Torque
Rolls-Royce 6.75L V8 Rolls-Royce 6,749 cc 563 hp 900 Nm

Pros

  • Exceptional torque delivery
  • Smooth and refined performance
  • Iconic status in the luxury segment

Cons

  • High fuel consumption
  • Expensive maintenance
  • Complex engineering may lead to costly repairs