(1957 model)
2-door 2-seater drophead coupé (convertible coupé), petrol (gasoline) 2-cylinder straight (inline) engine, 394 cm3 / 24.0 cu in / 24.0 cu in, 10.4 kW / 13.9 hp / 13.9 hp @ 4350 rpm / 4350 rpm / 4350 rpm, 27.0 N·m / 19.9 lb·ft / 19.9 lb·ft @ 2200 rpm / 2200 rpm / 2200 rpm, manual 3-speed transmission, rear wheel drive, 83 km/h / 52 mph / 52 mph top speed
| Marque (make) | Vespa | Issued from | 1957 |
|---|---|---|---|
| Model | 400 | Issued until | |
| Serie | 400 | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Vespa | Country | FR |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | drophead coupé (convertible coupé) | Number of seats | 2 |
| Bodywork designer | Cargo capacity (volume) | ||
| Passenger space (volume) | Max. cargo capacity (volume) |
| Length | 2852 mm / 112.3 in / 112.3 in | Total (curb) weight | 360 kg / 794 lb / 794 lb |
|---|---|---|---|
| Width | 1270 mm / 50.0 in / 50.0 in | Dry weight | |
| Height | 1250 mm / 49.2 in / 49.2 in | Load capacity | |
| Wheelbase | 1694 mm / 66.7 in / 66.7 in | Gross (max.) weight | |
| Track front | 1100 mm / 43.3 in / 43.3 in | Towing weight | |
| Track rear | 1100 mm / 43.3 in / 43.3 in | Weight distribution (front) | |
| Ground clearance | Fuel capacity | ||
| Length/wheelbase ratio | 1.68 |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | 1.35 m2 / 14.5 sq ft / 14.5 sq ft (est.) | |
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 2 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | |
| Engine Manufacturer | Valves per cylinder | ||
| Engine construction | Bore | 63.0 mm / 2.48 in / 2.48 in | |
| Fuel | petrol (gasoline) | Stroke | 63.0 mm / 2.48 in / 2.48 in |
| Fuel details | Bore/Stroke ratio | 1 | |
| Fuel supply | 1 So carb | Engine displacement | 394 cm3 / 24.0 cu in / 24.0 cu in |
| Engine Main bearings | Unitary capacity | 197.00 cm3/cylinder / 12.022 cu in/cylinder / 12.022 cu in/cylinder | |
| Cam Design | Compression ratio | 6.6 : 1 | |
| Sump | Max. output power | 10.4 kW / 13.9 hp / 13.9 hp at 4350 rpm / 4350 rpm / 4350 rpm | |
| Aspiration | natural | Max. torque | 27.0 N·m / 19.9 lb·ft / 19.9 lb·ft at 2200 rpm / 2200 rpm / 2200 rpm |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output (power at the wheels) | 0.3 kW / 0.5 hp / 0.5 hp (est.) |
| Coolant | air | Specific output | 26.4 kW/l / 0.580 bhp/cu in / 0.580 bhp/cu in |
| Catalytic converter | no | Specific torque | 68.5 N·m/l / 0.60 lb·ft/cu in / 0.60 lb·ft/cu in |
| Transmission type | manual | Number of gears | 3 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | |
| Final gear (drive) ratio |
| Acceleration 0-50 mph (80 km/h) | 58.00 s / 58.00 s / 58.00 s | Top (maximal) speed | 83 km/h / 52 mph / 52 mph |
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | Power-to-weight ratio | 38.9 kW/ton / 29.5 bhp/ton / 29.5 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 | rear | Engine alignment | |
|---|---|---|---|
| Steering | rack & pinion | Steering details | |
| Turns lock-to-lock | Turning circle | ||
| Suspension front | Independent,SlPi, Trailing arm, Coil springs | Suspension rear | Live axle, Swinging axlele, Wishbone (A-arm, control arm), Coil springs |
| Wheels front | Wheels rear | ||
| Tyres front | 4.00-16 | Tyres rear | 4.00-16 |
| Brakes front | drum | Brakes rear | drum |
| Brake diameter front | Brake diameter rear | ||
| Brakes details | Braked area |
Technical specifications and performance data of Vespa 400
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