(1961 model)
| Marque (make) | Riley | Issued from | 1961 |
|---|---|---|---|
| Model | 4/72 | Issued until | |
| Serie | 4 | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Riley | Country | UK |
| Base platform | Number of doors | 4 | |
|---|---|---|---|
| Bodywork type | sedan (saloon) | Number of seats | 5 |
| Bodywork designer | Cargo capacity (volume) | ||
| Max. cargo capacity (volume) |
| Length | 4534 mm / 178.5 in / 178.5 in | Ground clearance | 165 mm / 6.5 in / 6.5 in |
|---|---|---|---|
| Width | 1613 mm / 63.5 in / 63.5 in | Length/wheelbase ratio | 1.78 |
| Height | 1499 mm / 59.0 in / 59.0 in | Total (curb) weight | 1148 kg / 2531 lb / 2531 lb |
| Wheelbase | 2546 mm / 100.2 in / 100.2 in | Dry weight | |
| Track front | 1283 mm / 50.5 in / 50.5 in | Weight distribution (front) | |
| Track rear | 1308 mm / 51.5 in / 51.5 in | Fuel capacity | 46 l / 10.0 UK gal / 12.0 US gal |
| Drag coefficient | Frontal Area | ||
|---|---|---|---|
| Cx |
| Engine Code | Total number of cylinders | 4 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | 8 |
| Engine Manufacturer | BMC | Valves per cylinder | 2 |
| Engine construction | Bore | 76.2 mm / 3.00 in / 3.00 in | |
| Fuel | petrol (gasoline) | Stroke | 88.9 mm / 3.50 in / 3.50 in |
| Fuel supply | Bore/Stroke ratio | 0.86 | |
| Engine Main bearings | Engine displacement | 1622 cm3 / 99.0 cu in / 99.0 cu in | |
| Cam Design | OHV (overhead valve, I-head) | Unitary capacity | 405.50 cm3/cylinder / 24.745 cu in/cylinder / 24.745 cu in/cylinder |
| Sump | Compression ratio | 8.3 : 1 | |
| Aspiration | natural | Max. output power | 50.7 kW / 68.9 hp / 68.9 hp at 5000 rpm / 5000 rpm / 5000 rpm |
| Compressor type | N/A | Max. torque | 120.0 Nm / 88.5 lbft / 88.5 lbft at 2500 rpm / 2500 rpm / 2500 rpm |
| Intercooler | none | Maximum rpm | |
| Coolant | water | Max. net output | 50.0 kW / 68.0 bhp / 68.0 bhp |
| Catalytic converter | no | Specific output | 41.9 kW/l / 0.934 bhp/cu in / 0.934 bhp/cu in |
| Specific torque | 73.98 Nm/l / 0.647 lbft/cu in / 0.647 lbft/cu in |
| Transmission type | manual | Number of gears | 4 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1.00 |
| Final gear (drive) ratio | 4.30 |
| Acceleration 0-50 mph (80 km/h) | 13.50 s / 13.50 s / 13.50 s | Top (maximal) speed | 131 km/h / 81 mph / 81 mph |
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | Power-to-weight ratio | 59.23 kW/ton / 80.53 bhp/ton / 80.53 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) | ||
| 0-Quarter-mile time | Fuel consumption, Euro | ||
| 0-Kilometer time | CO2 emissions |
| Engine location | front | Engine alignment | transverse |
|---|---|---|---|
| Steering | |||
| Turns lock-to-lock | Turning circle | ||
| Suspension front | I.CS. | Suspension rear | LA.SE. |
| Wheels front | Wheels rear | ||
| Tyres front | Tyres rear | ||
| Brakes front | Brakes rear | ||
| Brake diameter front | Brake diameter rear | ||
| Braked area |
Technical specifications and performance data of Riley 4/72
