



(1954 model)
| Marque (make) | Buick | Issued from | 1954 |
|---|---|---|---|
| Model | Series 70 Roadmaster | Issued until | |
| Serie | 70 | Number made | |
| Model family | Body construction | ||
| Model code | 72R | Body designation | |
| Manufacturer | Buick | Country | US |
| Base platform | Number of doors | 4 | |
|---|---|---|---|
| Bodywork type | sedan (saloon) | Number of seats | 5 |
| Bodywork designer | Cargo capacity (volume) | ||
| Max. cargo capacity (volume) |
| Length | 5507 mm / 216.8 in / 216.8 in | Ground clearance | |
|---|---|---|---|
| Width | 2029 mm / 79.9 in / 79.9 in | Length/wheelbase ratio | 1.71 |
| Height | 1588 mm / 62.5 in / 62.5 in | Total (curb) weight | 1983 kg / 4372 lb / 4372 lb |
| Wheelbase | 3226 mm / 127.0 in / 127.0 in | Dry weight | |
| Track front | Weight distribution (front) | ||
| Track rear | Fuel capacity | 72 l / 15.8 UK gal / 19.0 US gal |
| Drag coefficient | Frontal Area | ||
|---|---|---|---|
| Cx |
| Engine Code | Total number of cylinders | 8 | |
|---|---|---|---|
| Engine Type | V engine | Total number of valves | 16 |
| Engine Manufacturer | GM | Valves per cylinder | 2 |
| Engine construction | Bore | 101.6 mm / 4.00 in / 4.00 in | |
| Fuel | petrol (gasoline) | Stroke | 81.3 mm / 3.20 in / 3.20 in |
| Fuel supply | Bore/Stroke ratio | 1.25 | |
| Engine Main bearings | Engine displacement | 5276 cm3 / 322.0 cu in / 322.0 cu in | |
| Cam Design | OHV (overhead valve, I-head) | Unitary capacity | 659.50 cm3/cylinder / 40.245 cu in/cylinder / 40.245 cu in/cylinder |
| Sump | wet | Compression ratio | 8.5 : 1 |
| Aspiration | N | Max. output power | 149.1 kW / 202.7 hp / 202.7 hp at 4100 rpm / 4100 rpm / 4100 rpm |
| Compressor type | N/A | Max. torque | 410.0 Nm / 302.4 lbft / 302.4 lbft at 2400 rpm / 2400 rpm / 2400 rpm |
| Intercooler | none | Maximum rpm | |
| Coolant | W | Max. net output | 147.1 kW / 200.0 bhp / 200.0 bhp |
| Catalytic converter | N | Specific output | 37.9 kW/l / 0.844 bhp/cu in / 0.844 bhp/cu in |
| Specific torque | 77.71 Nm/l / 0.680 lbft/cu in / 0.680 lbft/cu in |
| Transmission type | A | Number of gears | 3 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1 |
| Final gear (drive) ratio | 3.4 |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | 161 km/h / 100 mph / 100 mph | |
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | Power-to-weight ratio | 100.86 kW/ton / 137.13 bhp/ton / 137.13 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 | longitudinal |
|---|---|---|---|
| Steering | |||
| Turns lock-to-lock | Turning circle | ||
| Suspension front | I.CS. | Suspension rear | LA.CS. |
| Wheels front | 6 x 15 | Wheels rear | 6 x 15 |
| Tyres front | 8.00-15 | Tyres rear | 8.00-15 |
| Brakes front | Dr | Brakes rear | drum |
| Brake diameter front | Brake diameter rear | ||
| Braked area |
Technical specifications and performance data of Buick Series 70 Roadmaster