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Aston Martin DB 2/4 Mk III

(1957 model)

Brief specs of 1957 Aston Martin DB 2/4 Mk III

2-door 2+2-seater fixed-head coupé, petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2922 cm3 / 178.3 cu in / 178.3 cu in, 146.9 kW / 197.0 hp / 197.0 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 263.0 N·m / 194.0 lb·ft / 194.0 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual with overdrive 4-speed transmission, rear wheel drive, 192 km/h / 119 mph / 119 mph top speed

units: metric UK US

Basic (general) data

Marque (make)Aston MartinIssued from1957
ModelDB 2/4 Mk IIIIssued until
SerieDB2Number made
Model familyBody construction
Model codeBody designation
ManufacturerAston Martin Lagonda Ltd.CountryUK

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2+2
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4356 mm / 171.5 in / 171.5 inTotal (curb) weight1270 kg / 2800 lb / 2800 lb
Width1651 mm / 65.0 in / 65.0 inDry weight
Height1360 mm / 53.5 in / 53.5 inLoad capacity
Wheelbase2515 mm / 99.0 in / 99.0 inGross (max.) weight
Track front1372 mm / 54.0 in / 54.0 inTowing weight
Track rear1372 mm / 54.0 in / 54.0 inWeight distribution (front)
Ground clearanceFuel capacity70 l / 15.5 UK gal / 18.6 US gal
Length/wheelbase ratio1.73  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)1.91 m2 / 20.5 sq ft / 20.5 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders6
Engine Typestraight (inline) Total number of valves12
Engine ManufacturerAston MartinValves per cylinder2
Engine constructionBore83.0 mm / 3.27 in / 3.27 in
Fuelpetrol (gasoline)Stroke90.0 mm / 3.54 in / 3.54 in
Fuel detailsBore/Stroke ratio0.92
Fuel supply3 SU carbsEngine displacement2922 cm3 / 178.3 cu in / 178.3 cu in
Engine Main bearingsUnitary capacity487.00 cm3/cylinder / 29.719 cu in/cylinder / 29.719 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio8.6 : 1
SumpMax. output power146.9 kW / 197.0 hp / 197.0 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationnaturalMax. torque263.0 N·m / 194.0 lb·ft / 194.0 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)58.8 kW / 78.8 hp / 78.8 hp (est.)
CoolantwaterSpecific output50.3 kW/l / 1.105 bhp/cu in / 1.105 bhp/cu in
Catalytic converternoSpecific torque90.0 N·m/l / 0.79 lb·ft/cu in / 0.79 lb·ft/cu in

Transmission

Transmission typemanual with overdriveNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio0.77
  Final gear (drive) ratio3.77

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed192 km/h / 119 mph / 119 mph
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio155.1 kW/ton / 117.5 bhp/ton / 117.5 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
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Coil springsSuspension rearLive axle, Coil springs
Wheels frontWheels rear
Tyres frontTyres rear
Brakes frontdiscBrakes reardrum
Brake diameter frontBrake diameter rear
Brakes detailsBraked area

Technical specifications and performance data of Aston Martin DB 2/4 Mk III

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