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Lotus Esprit S3

(1981 model)

Brief specs of 1981 Lotus Esprit S3

2-door 2-seater fixed-head coupé, petrol (gasoline) 4-cylinder 16-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2174 cm3 / 132.7 cu in / 132.7 cu in, 119.3 kW / 160.0 hp / 160.0 hp @ 6500 rpm / 6500 rpm / 6500 rpm, 217.0 N·m / 160.1 lb·ft / 160.1 lb·ft @ 5250 rpm / 5250 rpm / 5250 rpm, manual 5-speed transmission, rear wheel drive, 217 km/h / 135 mph / 135 mph top speed, consumption 9.1 l/100km / 31.0 mpg-UK / 25.8 mpg-US

units: metric UK US

Basic (general) data

Marque (make)LotusIssued from1981
ModelEsprit S3Issued until
SerieEspritNumber made
Model familyBody construction
Model codeBody designation
ManufacturerLotusCountryUK

Bodywork

Base platformNumber of doors2
Bodywork typefixed-head coupéNumber of seats2
Bodywork designerGiugiaroCargo capacity (volume)
Passenger space (volume)4530 l / 159.98 cu ft / 159.98 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4191 mm / 165.0 in / 165.0 inTotal (curb) weight1067 kg / 2352 lb / 2352 lb
Width1852 mm / 72.9 in / 72.9 inDry weight
Height1118 mm / 44.0 in / 44.0 inLoad capacity
Wheelbase2438 mm / 96.0 in / 96.0 inGross (max.) weight
Track front1511 mm / 59.5 in / 59.5 inTowing weight
Track rear1511 mm / 59.5 in / 59.5 inWeight distribution (front)41.5 % / 41.5 % / 41.5 %
Ground clearanceFuel capacity72 l / 15.8 UK gal / 19.0 US gal
Length/wheelbase ratio1.72  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)0.35Frontal area (A)1.76 m2 / 18.9 sq ft / 18.9 sq ft (est.)
Aerodynamic coefficient (Cd×A)0.62 m2 / 6.6 sq ft / 6.6 sq ft (est.)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)15.3 kW / 20.5 hp / 20.5 hp (est.)

Engine

Engine CodeTotal number of cylinders4
Engine Typestraight (inline) (Inline, 4 cylinder)Total number of valves16
Engine ManufacturerLotusValves per cylinder4
Engine constructionaluminium alloy block & headBore95.3 mm / 3.75 in / 3.75 in
Fuelpetrol (gasoline)Stroke76.2 mm / 3.00 in / 3.00 in
Fuel detailsBore/Stroke ratio1.25
Fuel supply2 De DHLA4SE carbsEngine displacement2174 cm3 / 132.7 cu in / 132.7 cu in
Engine Main bearings5Unitary capacity543.50 cm3/cylinder / 33.166 cu in/cylinder / 33.166 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio9.5 : 1
SumpMax. output power119.3 kW / 160.0 hp / 160.0 hp at 6500 rpm / 6500 rpm / 6500 rpm
AspirationnaturalMax. torque217.0 N·m / 160.1 lb·ft / 160.1 lb·ft at 5250 rpm / 5250 rpm / 5250 rpm
Compressor typeN/AMaximum rpm
IntercoolernoMax. net output (power at the wheels)67.0 kW / 89.9 hp / 89.9 hp (est.)
CoolantwaterSpecific output54.9 kW/l / 1.206 bhp/cu in / 1.206 bhp/cu in
Catalytic converternoSpecific torque99.8 N·m/l / 0.87 lb·ft/cu in / 0.87 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears5
Wheel driverear wheel driveTop gear (drive) ratio0.76
  Final gear (drive) ratio4.1

Performance

Acceleration 0-50 mph (80 km/h)4.70 s / 4.70 s / 4.70 sTop (maximal) speed217 km/h / 135 mph / 135 mph
Acceleration 0-60 mph (97 km/h)6.50 s / 6.50 s / 6.50 sPower-to-weight ratio149.9 kW/ton / 113.6 bhp/ton / 113.6 bhp/ton
Acceleration 0-100 km/h7.00 s / 7.00 s / 7.00 sFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)19.00 s / 19.00 s / 19.00 sFuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)9.1 l/100km / 31.0 mpg-UK / 25.8 mpg-US
Standing ¼mile time15.00 s / 15.00 s / 15.00 s (top 92 km/h / 57 mph / 57 mph)Fuel consumption, Euro
Standing kilometer time27.90 s / 27.90 s / 27.90 s CO2 emissions213 g/km / 343 g/mi / 343 g/mi (est.)
  Range789 km / 490 mi / 490 mi

Chassis

Engine locationmiddleEngine alignmentlongitudinal
Steeringrack & pinionSteering details
Turns lock-to-lockTurning circle
Suspension frontIndependent, Wishbone (A-arm, control arm), Coil springsSuspension rearIndependent, Wishbone (A-arm, control arm), Coil springs
Wheels frontWheels rear
Tyres front205/70-R14Tyres rear205/70-R14
Brakes frontdiscBrakes reardisc
Brake diameter front267 mm / 10.5 in / 10.5 inBrake diameter rear274 mm / 10.8 in / 10.8 in
Brakes detailsservo-assistedBraked area

Technical specifications and performance data of Lotus Esprit S3

Infobox

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