4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 16-valve straight (inline) engine, side valves (flathead, L-block, L-head), 4972 cm3 / 303.4 cu in / 303.4 cu in, 89.5 kW / 120.0 hp / 120.0 hp @ 3500 rpm / 3500 rpm / 3500 rpm, rear wheel drive
| Marque (make) | Hupmobile | Issued from | |
|---|---|---|---|
| Model | 621 | Issued until | |
| Serie | 621 | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Hupmobile | Country | US |
| Base platform | Number of doors | 4 | |
|---|---|---|---|
| Bodywork type | sedan (saloon) | Number of seats | 5 |
| Bodywork designer | Cargo capacity (volume) | ||
| Passenger space (volume) | Max. cargo capacity (volume) |
| Length | Total (curb) weight | ||
|---|---|---|---|
| Width | Dry weight | ||
| Height | Load capacity | ||
| Wheelbase | 3073 mm / 121.0 in / 121.0 in | Gross (max.) weight | |
| Track front | 1480 mm / 58.3 in / 58.3 in | Towing weight | |
| Track rear | 1538 mm / 60.6 in / 60.6 in | Weight distribution (front) | |
| Ground clearance | Fuel capacity | 68 l / 15.0 UK gal / 18.0 US gal | |
| Length/wheelbase ratio |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | ||
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 8 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | 16 |
| Engine Manufacturer | Hupmobile | Valves per cylinder | 2 |
| Engine construction | Bore | 81.0 mm / 3.19 in / 3.19 in | |
| Fuel | petrol (gasoline) | Stroke | 120.6 mm / 4.75 in / 4.75 in |
| Fuel details | Bore/Stroke ratio | 0.67 | |
| Fuel supply | Engine displacement | 4972 cm3 / 303.4 cu in / 303.4 cu in | |
| Engine Main bearings | Unitary capacity | 621.50 cm3/cylinder / 37.926 cu in/cylinder / 37.926 cu in/cylinder | |
| Cam Design | side valves (flathead, L-block, L-head) | Compression ratio | 5.8 : 1 |
| Sump | Max. output power | 89.5 kW / 120.0 hp / 120.0 hp at 3500 rpm / 3500 rpm / 3500 rpm | |
| Aspiration | natural | Max. torque | at |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output (power at the wheels) | 35.8 kW / 48.0 hp / 48.0 hp (est.) |
| Coolant | water | Specific output | 18.0 kW/l / 0.396 bhp/cu in / 0.396 bhp/cu in |
| Catalytic converter | no | Specific torque |
| Transmission type | Number of gears | ||
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1 |
| Final gear (drive) ratio | 4.27 |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | ||
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | Power-to-weight ratio | ||
| 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 | Turning circle | ||
| Suspension front | Suspension rear | ||
| Wheels front | Wheels rear | ||
| Tyres front | 6.50 x 16 | Tyres rear | 6.50 x 16 |
| Brakes front | Brakes rear | ||
| Brake diameter front | Brake diameter rear | ||
| Brakes details | Braked area |
Technical specifications and performance data of Hupmobile 621
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