Lotus Seven S4 1971 specs
General information
| Model: | Lotus Seven S4 |
| Year: | 1971 |
| Category: | Sport cars |
| Manufacturer: | Lotus |
| Seats: | 2 |
Engine and transmission
| Valves per cylinder: | 2 |
| Engine type: | Inline, 4 cylinder |
| Engine location: | Front, longitudinal |
| Displacement: | 1340 ccm |
| Max power: | 86 PS (64 kW) at 6000 Rev. per min. |
| Max torque: | 92 Nm |
| Compression: | 9:1 |
| Bore x stroke: | 81 x 63 mm (3.2 x 2.5 inches) |
| Lubrication system: | Wet sump |
| Cooling system: | Liquid |
| Gearbox: | Manual, 4-speed |
Main features, safety and ecconomy
| Fuel type: | Gasoline |
| Drive: | Rear wheels |
Speed and acceleration
| Top speed: | 160 km/h (99.4 mph) |
| Power/weight ratio: | 0.1448 PS/kg |
Exterior and interior
| Max no. of doors: | 2 |
| Passenger space: | 3430 litres (907 gallons) |
Steering, brakes and tires
| Front brakes: | Disks, 216 mm |
| Rear brakes: | Drums, 216 mm |
| Front tire dimensions: | 165-13 |
| Rear tire dimensions: | 165-13 |
| Turn circle: | 9 m (354.3 inches) |
Dimensions and weight
| Weight: | 594 kg (1309.5 pounds) |
| Overall length: | 3720 mm (146.5 inches) |
| Overall width: | 1540 mm (60.6 inches) |
| Overall height: | 1090 mm (42.9 inches) |
| Wheelbase: | 2240 mm (88.2 inches) |
| Fuel capacity: | 34 litres (8.98 gallons) |
| Ground clearance: | 120 mm (4.7 inches) |






















