| petrol | |
| diesel | |
| alcohol based | |
| gas (LPG, CNG) | |
| steam | |
| electricity |
(1970 model)
2-door 2-seater roadster, petrol (gasoline) 4-cylinder 8-valve straight (inline) engine, OHV (overhead valve, I-head), 1599 cm3 / 97.6 cu in / 97.6 cu in, 64.1 kW / 86.0 hp / 86.0 hp @ 5500 rpm / 5500 rpm / 5500 rpm, 125.0 N·m / 92.2 lb·ft / 92.2 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 4-speed transmission, rear wheel drive
| Marque (make) | Lotus | Issued from | 1970 |
|---|---|---|---|
| Model | Seven S4 | Issued until | |
| Serie | Seven | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Lotus | Country | UK |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | roadster | Number of seats | 2 |
| Bodywork designer | Cargo capacity (volume) | ||
| Passenger space (volume) | 3430 l / 121.13 cu ft / 121.13 cu ft | Max. cargo capacity (volume) |
| Length | 3702 mm / 145.7 in / 145.7 in | Total (curb) weight | 590 kg / 1301 lb / 1301 lb |
|---|---|---|---|
| Width | 1537 mm / 60.5 in / 60.5 in | Dry weight | |
| Height | 1124 mm / 44.3 in / 44.3 in | Load capacity | |
| Wheelbase | 2286 mm / 90.0 in / 90.0 in | Gross (max.) weight | |
| Track front | 1245 mm / 49.0 in / 49.0 in | Towing weight | |
| Track rear | 1321 mm / 52.0 in / 52.0 in | Weight distribution (front) | |
| Ground clearance | 114 mm / 4.5 in / 4.5 in | Fuel capacity | 34 l / 7.5 UK gal / 9.0 US gal |
| Length/wheelbase ratio | 1.62 |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | 1.47 m2 / 15.8 sq ft / 15.8 sq ft (est.) | |
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 4 | |
|---|---|---|---|
| Engine Type | straight (inline) (Inline, 4 cylinder) | Total number of valves | 8 |
| Engine Manufacturer | Valves per cylinder | 2 | |
| Engine construction | Bore | 81.0 mm / 3.19 in / 3.19 in | |
| Fuel | petrol (gasoline) | Stroke | 77.6 mm / 3.06 in / 3.06 in |
| Fuel details | Bore/Stroke ratio | 1.04 | |
| Fuel supply | 1 We carb | Engine displacement | 1599 cm3 / 97.6 cu in / 97.6 cu in |
| Engine Main bearings | Unitary capacity | 399.75 cm3/cylinder / 24.394 cu in/cylinder / 24.394 cu in/cylinder | |
| Cam Design | OHV (overhead valve, I-head) | Compression ratio | 9.0 : 1 |
| Sump | Max. output power | 64.1 kW / 86.0 hp / 86.0 hp at 5500 rpm / 5500 rpm / 5500 rpm | |
| Aspiration | natural | Max. torque | 125.0 N·m / 92.2 lb·ft / 92.2 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output (power at the wheels) | 25.6 kW / 34.4 hp / 34.4 hp (est.) |
| Coolant | water | Specific output | 40.1 kW/l / 0.881 bhp/cu in / 0.881 bhp/cu in |
| Catalytic converter | no | Specific torque | 78.2 N·m/l / 0.68 lb·ft/cu in / 0.68 lb·ft/cu in |
| Transmission type | manual | Number of gears | 4 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1 |
| Final gear (drive) ratio | 3.77 |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | ||
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | Power-to-weight ratio | 145.8 kW/ton / 110.4 bhp/ton / 110.4 bhp/ton | |
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | ||
| Acceleration 0-100 mph (160 km/h) | Fuel consumption, Road (extra-urban) | ||
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | ||
| Standing ¼mile time | Fuel consumption, Euro | ||
| Standing kilometer time | CO2 emissions | ||
| Range |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | Steering details | ||
| Turns lock-to-lock | 2.8 | Turning circle | 9.1 m / 29.9 ft / 29.9 ft |
| Suspension front | Independent, Coil springs | Suspension rear | Live axle, Coil springs |
| Wheels front | Wheels rear | ||
| Tyres front | 155/80-R13 | Tyres rear | 155/80-R13 |
| Brakes front | disc | Brakes rear | drum |
| Brake diameter front | Brake diameter rear | ||
| Brakes details | Braked area |
Technical specifications and performance data of Lotus Seven S4
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