BMW 8 Series 840i 3.0 AT Specs — Second Generation Restyling 1
The BMW 8 Series 840i 3.0 AT is considered here in the setting of city journeys, where short distances, frequent stops and shared streets shape what a driver notices most.
2 generation, restyling 1 · Cabrio
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
250 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
Turbo
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
82 × 94.6 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
2998 cm³
Engine location
Front, longitudinal
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
8
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
333 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
244 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
11
Maximum power rpm
6250 rpm
Maximum torque N⋅m
500 N⋅m
Maximum torque rpm
4000 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
5.3 s
Engine power system
Direct injection (direct)
Number of cylinders
6
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
4
Cylinder arrangement
Inline
Maximum power ICE
Not provided
Maximum power ICE
Not provided
Energy & emissions
ECO class
Euro 6
Battery power
Not provided
Fuel grade
95
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
168 g/km
Full charge home
Not provided
Power consumption
Not provided
Fuel tank capacity
68 l
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
8.8 l
Fuel consumption highway
Not provided
Dimensions & body
Doors number
2
Number of seats
5
Width
1902 mm
Height
1339 mm
Length
4843 mm
Body type
Cabrio
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
2822 mm
U-turn diameter
Not provided
Depth of the ford to be crossed
Not provided
Body style
Drop-top
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
1642 mm
Trunk volume max
Not provided
Trunk volume min
350 l
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
1627 mm
Max weight
2340 kg
Curb weight?
The weight of the vehicle with all standard equipment and fluids but without passengers or cargo. Glossary entry
1830 kg
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
128 mm
Identity & configuration
Body code
G14
Vehicle class
S
Right-hand drive
No
Additional specifications
Stop
Not provided
Start
2022-02-01
Wheel size
Not provided
Rear brakes
Ventilated disc
Front brakes
Ventilated 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
In town, driving is mostly a sequence of short pulls between lights rather than sustained progress. Drivers generally value predictable behaviour at low speeds, since that is where most of the work of an urban trip actually happens.
Drivetrain and Everyday Driving
Urban driving asks for attention outside the car, so anything done inside it should take little thought. When wipers, lights and climate settings are already familiar, a driver can adjust them during a journey without shifting focus away from the road.
Body and Practicality
A common city errand ends with bags to load in a busy car park. What helps there is usually space alongside the car to stand while loading, and a settled place for items so nothing shifts on the way home.
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