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Bristol 401

(1949 model)

Brief specs of 1949 Bristol 401

petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, 1971 cm3 / 120.3 cu in / 120.3 cu in, 54.0 kW / 72.4 hp / 72.4 hp @ 4500 rpm / 4500 rpm / 4500 rpm, 145.0 N·m / 106.9 lb·ft / 106.9 lb·ft @ 3500 rpm / 3500 rpm / 3500 rpm, manual 4-speed transmission, rear wheel drive

units: metric UK US

Basic (general) data

Marque (make)BristolIssued from1949
Model401Issued until
Serie401Number made
Model familyBody construction
Model codeBody designation
ManufacturerBristol Aeroplane Co.CountryUK


Base platformNumber of doors
Bodywork typeNumber of seats
Bodywork designerCargo capacity (volume)
Passenger space (volume)4920 l / 173.75 cu ft / 173.75 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4870 mm / 191.7 in / 191.7 inTotal (curb) weight1225 kg / 2701 lb / 2701 lb
Width1710 mm / 67.3 in / 67.3 inDry weight
Height1530 mm / 60.2 in / 60.2 inLoad capacity
Wheelbase2900 mm / 114.2 in / 114.2 inGross (max.) weight
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearance170 mm / 6.7 in / 6.7 inFuel capacity
Length/wheelbase ratio1.68  


Drag coefficient (Cd, Cx, Cw)0.4Frontal area (A)2.22 m2 / 23.9 sq ft / 23.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.89 m2 / 9.6 sq ft / 9.6 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)22.1 kW / 29.6 hp / 29.6 hp (est.)


Engine CodeTotal number of cylinders6
Engine Typestraight (inline) (Inline, 6 cylinder)Total number of valves12
Engine ManufacturerValves per cylinder2
Engine constructionBore66.0 mm / 2.60 in / 2.60 in
Fuelpetrol (gasoline)Stroke96.0 mm / 3.78 in / 3.78 in
Fuel detailsBore/Stroke ratio0.69
Fuel supplyCarburettorEngine displacement1971 cm3 / 120.3 cu in / 120.3 cu in
Engine Main bearingsUnitary capacity328.43 cm3/cylinder / 20.042 cu in/cylinder / 20.042 cu in/cylinder
Cam DesignCompression ratio
SumpMax. output power54.0 kW / 72.4 hp / 72.4 hp at 4500 rpm / 4500 rpm / 4500 rpm
AspirationnaturalMax. torque145.0 N·m / 106.9 lb·ft / 106.9 lb·ft at 3500 rpm / 3500 rpm / 3500 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)21.6 kW / 29.0 hp / 29.0 hp (est.)
CoolantSpecific output27.4 kW/l / 0.602 bhp/cu in / 0.602 bhp/cu in
Catalytic converterSpecific torque73.6 N·m/l / 0.64 lb·ft/cu in / 0.64 lb·ft/cu in


Transmission typemanualNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio
  Final gear (drive) ratio


Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio59.6 kW/ton / 45.2 bhp/ton / 45.2 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions


Engine locationEngine alignment
SteeringSteering details
Turns lock-to-lockTurning circle11.0 m / 36.1 ft / 36.1 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdrumBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Bristol 401


Beyond basic auto insurance

In addition to having enough liability protection, there are some other coverages you should consider:

Collision: Pays for damage to your car resulting from a collision with another car, an object or as a result of flipping over. It also covers damage caused by potholes. Even if you are at fault for the accident, your collision coverage will reimburse you for the costs of repairing your car, minus the deductible. If you are not at fault, your insurance company may try to recover the amount they paid out from the other driver’s insurance company though a process called subrogation. If the company is successful, you will be reimbursed for the deductible.

Comprehensive: Reimburses you for loss due to theft or damage caused by something other than a collision with another car or object, such as fire, falling objects, missiles, explosion, earthquake, windstorm, hail, flood, vandalism, riot, or contact with animals such as birds or deer. Comprehensive insurance will also reimburse you if your windshield is cracked or shattered; some companies may waive the deductible on the glass portion of this coverage.

Uninsured and Underinsured Motorist Coverage: Reimburses you, a member of your family, or a designated driver if one of you is hit by an uninsured or hit-and-run driver. Underinsured motorist coverage comes into play when an at-fault driver has insufficient insurance to pay for your total loss. These coverages are required in 19 states, but available in all. It is important to purchase the same amount of coverage for uninsured/underinsured motorists as you have for liability to others.