| petrol | |
| diesel | |
| alcohol based | |
| gas (LPG, CNG) | |
| steam | |
| electricity |
(1968 model)
4-door 5-seater sedan (saloon), petrol (gasoline) 8-cylinder 16-valve V engine, OHV (overhead valve, I-head), 4638 cm3 / 283.0 cu in / 283.0 cu in, 141.7 kW / 190.0 hp / 190.0 hp @ 4600 rpm / 4600 rpm / 4600 rpm, 427.0 N·m / 314.9 lb·ft / 314.9 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, automatic 3-speed transmission, rear wheel drive, 200 km/h / 124 mph / 124 mph top speed
| Marque (make) | Opel | Issued from | 1968 |
|---|---|---|---|
| Model | Diplomat | Issued until | |
| Serie | Diplomat | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Adam Opel AG | Country | DE |
| Base platform | Number of doors | 4 | |
|---|---|---|---|
| Bodywork type | sedan (saloon) | Number of seats | 5 |
| Bodywork designer | Cargo capacity (volume) | ||
| Passenger space (volume) | 3820 l / 134.90 cu ft / 134.90 cu ft | Max. cargo capacity (volume) |
| Length | 4950 mm / 194.9 in / 194.9 in | Total (curb) weight | 1690 kg / 3726 lb / 3726 lb |
|---|---|---|---|
| Width | 1902 mm / 74.9 in / 74.9 in | Dry weight | |
| Height | 1445 mm / 56.9 in / 56.9 in | Load capacity | |
| Wheelbase | 2845 mm / 112.0 in / 112.0 in | Gross (max.) weight | |
| Track front | 1510 mm / 59.4 in / 59.4 in | Towing weight | |
| Track rear | 1510 mm / 59.4 in / 59.4 in | Weight distribution (front) | |
| Ground clearance | 160 mm / 6.3 in / 6.3 in | Fuel capacity | 80 l / 17.6 UK gal / 21.1 US gal |
| Length/wheelbase ratio | 1.74 |
| Drag coefficient (Cd, Cx, Cw) | Frontal area (A) | 2.34 m2 / 25.1 sq ft / 25.1 sq ft (est.) | |
|---|---|---|---|
| Aerodynamic coefficient (Cd×A) | Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph) |
| Engine Code | Total number of cylinders | 8 | |
|---|---|---|---|
| Engine Type | V engine (V8) | Total number of valves | 16 |
| Engine Manufacturer | GM | Valves per cylinder | 2 |
| Engine construction | Bore | 98.4 mm / 3.87 in / 3.87 in | |
| Fuel | petrol (gasoline) | Stroke | 76.2 mm / 3.00 in / 3.00 in |
| Fuel details | Bore/Stroke ratio | 1.29 | |
| Fuel supply | Carburettor | Engine displacement | 4638 cm3 / 283.0 cu in / 283.0 cu in |
| Engine Main bearings | Unitary capacity | 579.75 cm3/cylinder / 35.379 cu in/cylinder / 35.379 cu in/cylinder | |
| Cam Design | OHV (overhead valve, I-head) | Compression ratio | 9.3 : 1 |
| Sump | Max. output power | 141.7 kW / 190.0 hp / 190.0 hp at 4600 rpm / 4600 rpm / 4600 rpm | |
| Aspiration | natural | Max. torque | 427.0 N·m / 314.9 lb·ft / 314.9 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm |
| Compressor type | N/A | Maximum rpm | |
| Intercooler | no | Max. net output (power at the wheels) | 22.7 kW / 30.4 hp / 30.4 hp (est.) |
| Coolant | water | Specific output | 30.6 kW/l / 0.671 bhp/cu in / 0.671 bhp/cu in |
| Catalytic converter | no | Specific torque | 92.1 N·m/l / 0.81 lb·ft/cu in / 0.81 lb·ft/cu in |
| Transmission type | automatic | Number of gears | 3 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | |
| Final gear (drive) ratio |
| Acceleration 0-50 mph (80 km/h) | 7.30 s / 7.30 s / 7.30 s | Top (maximal) speed | 200 km/h / 124 mph / 124 mph |
|---|---|---|---|
| Acceleration 0-60 mph (97 km/h) | Power-to-weight ratio | 136.2 kW/ton / 103.2 bhp/ton / 103.2 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 | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | Steering details | ||
| Turns lock-to-lock | Turning circle | 11.0 m / 36.1 ft / 36.1 ft | |
| Suspension front | Suspension rear | ||
| Wheels front | Wheels rear | ||
| Tyres front | Tyres rear | ||
| Brakes front | disc | Brakes rear | disc |
| Brake diameter front | Brake diameter rear | ||
| Brakes details | ABS (anti-lock braking system) | Braked area |
Technical specifications and performance data of Opel Diplomat
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