Rolls-Royce Corniche 6.8 AT Specs — First Generation
The Rolls-Royce Corniche 6.8 AT, from the first generation, is examined here through one mechanical idea: how gearing converts what the engine makes into what the wheels actually feel.
1 generation · Sedan 2-doors
Generation photo. Individual trim appearance may differ.
The highest speed a vehicle can sustain under manufacturer test conditions. Some cars are electronically limited below their mechanical potential. Glossary entry
203 km/h
Engine type
Gasoline
Transmission
Automatic
Type of boost?
A turbocharger or supercharger compresses the air entering the engine so a smaller engine can produce more power. Naturally aspirated engines draw air without a compressor. Glossary entry
No
Type of drive?
Which wheels receive power: front-wheel drive, rear-wheel drive or all-wheel drive. All-wheel drive can send power to every wheel for extra traction. Glossary entry
RWD
Bore and stroke?
The diameter of a cylinder (bore) and the distance the piston travels inside it (stroke). Together they determine the displacement of the engine. Glossary entry
104.1 × 99.1 mm
Engine capacity?
The total volume swept by all pistons inside the cylinders, usually stated in cubic centimetres or litres. Larger displacement often means more power but higher consumption. Glossary entry
6750 cm³
Engine location
Not provided
Number of gears?
How many fixed forward ratios a gearbox offers. More gears can improve economy and refinement; continuously variable transmissions have no fixed steps. Glossary entry
3
Maximum power?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
260 hp
Maximum power, kw?
A unit of engine or motor output. One metric horsepower is about 0.735 kilowatts. Peak power is normally reached at high engine speed. Glossary entry
191 kW
Compression ratio?
The ratio between the largest and smallest volume of a cylinder as the piston moves. Higher ratios improve efficiency but may require higher-octane fuel. Glossary entry
9
Maximum power rpm
4500 rpm
Maximum torque N⋅m
550 N⋅m
Maximum torque rpm
2500 rpm
Acceleration to 100?
The time a vehicle needs to reach 100 km/h from a standstill, a common shorthand for overall performance. Glossary entry
9.7 s
Engine power system
Carburetor
Number of cylinders
8
Valves per cylinder?
The number of intake and exhaust valves in each cylinder. Four valves per cylinder is common and helps the engine breathe at higher speeds. Glossary entry
2
Cylinder arrangement
V-shaped
Maximum power ICE
Not provided
Maximum power ICE
Not provided
Energy & emissions
ECO class
Not provided
Battery power
Not provided
Fuel grade
Not provided
Mild Hybrid?
A car with a small electric motor and battery that assist the combustion engine and recover braking energy but cannot drive on electricity alone. Glossary entry
Not provided
Battery type
Not provided
CO2 emissions?
The amount of carbon dioxide released per kilometre under a standardised test. Lower figures usually go hand in hand with lower fuel consumption. Glossary entry
Not provided
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
Not provided
Full public charging time
Not provided
Driving range, maximum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Driving range, minimum?
The distance an electric or plug-in vehicle can travel on a full charge under a stated test cycle. Temperature, speed and load change the real result. Glossary entry
Not provided
Fuel consumption city
Not provided
Average consumption
Not provided
Fuel consumption highway
Not provided
Dimensions & body
Doors number
2
Number of seats
5
Width
1836 mm
Height
1490 mm
Length
5196 mm
Body type
Sedan 2-doors
Wheelbase?
The distance between the centres of the front and rear wheels. A longer wheelbase usually gives more cabin space and a calmer ride; a shorter one helps agility and parking. Glossary entry
3061 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
Sedan
Rear track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1537 mm
Trunk volume max
Not provided
Trunk volume min
Not provided
Front track width?
The distance between the centres of the two wheels on the same axle. A wider track generally improves stability in corners. Glossary entry
1524 mm
Max weight
Not provided
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
Not provided
Ground clearance, maximum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Ground clearance, minimum?
The gap between the lowest point of the underbody and the road. More clearance helps on rough roads and steep driveway ramps. Glossary entry
Not provided
Identity & configuration
Vehicle class
F
Right-hand drive
No
Additional specifications
Stop
1995-12-31
Start
1971-01-01
Wheel size
Not provided
Rear brakes
Disc
Front brakes
Disc
Rear suspension
Independent, spring
Front suspension
Independent, spring
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Not provided means the source has no value. Zero remains zero. Units are shown as supplied; range test cycles are only stated when known.
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Engine and Transmission
A gasoline engine produces its output at the crankshaft; the automatic transmission cannot add to it. What a ratio does is trade rotational speed for turning effort, so a lower gear multiplies torque at the wheels while the driveshaft turns more slowly.
Drivetrain and Everyday Driving
Each tyre has a single budget of grip shared between cornering and driving. With RWD, opening the throttle mid-corner asks the rear tyres to generate forward thrust while they are already holding the car on its line, so less of that budget remains for steering it.
Body and Practicality
A two-door body gives each door a long aperture covering both seating rows, so rear access runs past the front seat rather than through a separate opening. The trade is a wide swing arc, which needs clearance beside the car when parked.
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