Pontiac Bonneville 3.8 AT Specs — Tenth Generation
The Pontiac Bonneville 3.8 AT, from the tenth generation, is a sedan whose separate body, drivetrain and gearbox labels each answer a narrower question than they first appear to.
10 generation · Sedan
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
220 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
Compressor
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
FWD
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
96.5 × 86.4 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
3791 cm³
Engine location
Front, transverse
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
4
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
240 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
177 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
8.5
Maximum power rpm
5200 rpm
Maximum torque N⋅m
380 N⋅m
Maximum torque rpm
3600 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
8.5 s
Engine power system
Distributed injection (multi-point)
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
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
92
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
70 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
13.1 l
Average consumption
10 l
Fuel consumption highway
8.7 l
Dimensions & body
Doors number
4
Number of seats
5
Width
1885 mm
Height
1440 mm
Length
5145 mm
Body type
Sedan
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
2850 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
1580 mm
Trunk volume max
Not provided
Trunk volume min
510 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
1590 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
1720 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
135 mm
Identity & configuration
Vehicle class
E
Right-hand drive
No
Additional specifications
Stop
2005-05-31
Start
1999-03-01
Wheel size
Not provided
Rear brakes
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
A sedan's mass must be moved from rest, so an automatic transmission uses short ratios that multiply engine torque heavily at first. Once travelling steadily, taller ratios let the gasoline engine turn slowly, which is a different mechanical requirement entirely.
Drivetrain and Everyday Driving
Front-wheel drive states only which axle receives torque through the transaxle. The differential inside may be an ordinary open unit or a limited-slip design, and the layout label alone never reveals which type is actually fitted.
Body and Practicality
Door aperture shape and hinge position govern the path a person follows while entering a sedan. Interior legroom and shoulder width govern comfort once seated, so a car can be easy to board yet still feel snug inside.
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