1957 Lotus Seven

The Lotus Seven is a rear wheel drive car, with its engine mounted in the front, and a 2 door convertible/cabriolet body. It's powered courtesy of a naturally aspirated engine of 1.6 litre capacity. This unit features double overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 126 bhp (128 PS/94 kW) of power at 6500 rpm, and maximum torque of 153 N·m (113 lb·ft/15.6 kgm) at 5500 rpm. It weighs a stated 750 kg at the kerb. Maximum quoted speed is 166 km/h, or 103 mph.
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
3366 mm
Weight
750 kg
Engine type
naturally aspirated petrol
Engine size
1.6 litre
Cylinders
4, Straight
Power
128 PS / 126 bhp / 94 kW @ 6500 rpm
Torque
153 Nm / 113 ft.lb / 15.6 kgm @ 5500 rpm
Acceleration
0-60 mph 7.1 s
Top speed
166 km/h / 103 mph

1957 Lotus Seven specifications

1957 Lotus Seven data
bodywork
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Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2184 mm	86 inches
Track/tread (front)
Track/tread (rear)
Length	3366 mm	132.5 inches
Width	1549 mm	61 inches
Height	940 mm	37 inches
Ground clearance
length:wheelbase ratio	1.54
Kerb weight	750 kg	1653 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer
Engine code
Cylinders	Straight 4
Capacity	1.6 litre 1558 cc (95.075 cu in)
Bore × Stroke	82.57 × 72.75 mm 3.25 × 2.86 in
Bore/stroke ratio	1.13
Valve gear	double overhead camshaft (DOHC) 2 valves per cylinder 8 valves in total
maximum power output	128 PS (126 bhp) (94 kW) at 6500 rpm
maximum torque	153 Nm (113 ft·lb) (15.6 kgm) at 5500 rpm
Specific output	60.3 kW/litre 82 ps/litre 80.9 bhp/litre 1.33 bhp/cu in
Specific torque	98.2 Nm/litre 1.19 ft·lb/cu³
Engine construction
Lubrication
compression ratio	10.3:1
Fuel system
bmep (brake mean effective pressure)	1234.1 kPa (179 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	389.5 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph	7.1 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	15.5 s
Standing kilometre
Maximum speed	166 km/h (103 mph)
Power-to-weight ratio	Higher is better 170.34 PS/tonne (1000 kg) 0.17 PS/kg 125.28 kW/tonne (1000 kg) 0.13 kW/kg 168 bhp/tonne (1000 kg) 0.17 bhp/kg 0.08 bhp/lb
Weight-to-power ratio	Lower is better 7.98 kg/kW 13.33 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox
Top gear ratio
Final drive ratio
general
Carfolio.com ID	8668
Production total
Model code
RAC rating	16.9
Insurance classification	No information available
Tax band	No information available
1957 Lotus Seven added before December 1995. Last modified 2013-02-28.