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Aston Martin DB 2/4 Mk III B

(1957 model)

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

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, 120.8 kW / 162.0 hp / 162.0 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 244.0 N·m / 180.0 lb·ft / 180.0 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual with overdrive 4-speed transmission, rear wheel drive, 193 km/h / 120 mph / 120 mph top speed

units: metric UK US

Basic (general) data

Marque (make)Aston MartinIssued from1957
ModelDB 2/4 Mk III BIssued 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)51.5 % / 51.5 % / 51.5 %
Ground clearanceFuel capacity
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 supply2 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 ratio8.2 : 1
SumpwetMax. output power120.8 kW / 162.0 hp / 162.0 hp at 5500 rpm / 5500 rpm / 5500 rpm
AspirationnaturalMax. torque244.0 N·m / 180.0 lb·ft / 180.0 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)48.2 kW / 64.7 hp / 64.7 hp (est.)
CoolantwaterSpecific output41.3 kW/l / 0.908 bhp/cu in / 0.908 bhp/cu in
Catalytic converternoSpecific torque83.5 N·m/l / 0.73 lb·ft/cu in / 0.73 lb·ft/cu in

Transmission

Transmission typemanual with overdriveNumber of gears4
Wheel driverear wheel driveTop gear (drive) ratio2.9
  Final gear (drive) ratio3.77

Performance

Acceleration 0-50 mph (80 km/h)7.10 s / 7.10 s / 7.10 sTop (maximal) speed193 km/h / 120 mph / 120 mph
Acceleration 0-60 mph (97 km/h)9.30 s / 9.30 s / 9.30 sPower-to-weight ratio127.6 kW/ton / 96.6 bhp/ton / 96.6 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)31.00 s / 31.00 s / 31.00 sFuel 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-lock2.5Turning circle
Suspension frontIndependent, Trailing link, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearLive axle,ParRadiusArms, Coil springs, Panhard rod
Wheels frontWheels rear
Tyres front6.00-16Tyres rear6.00-16
Brakes frontdiscBrakes reardrum
Brake diameter front305 mm / 12.0 in / 12.0 inBrake diameter rear305 mm / 12.0 in / 12.0 in
Brakes detailsservo-assistedBraked area

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

Infobox

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