Pontiac Bonneville vs Pontiac Grand Am Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Used Car Pricing Used listing price comparison and analysis.

2005 Pontiac Bonneville
GXP
CarGurus Instant Market Value
$5,483
11 listings nationwide

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2006 Pontiac Grand Am
GT Coupe
CarGurus Instant Market Value
N/A

Expert Reviews Reviews from CarGurus experts.

2005 Pontiac Bonneville
GXP

After 47 years on the market, the Pontiac Bonneville hears the fat lady sing in 2005. Starting life as Pontiac's sporty full-size coupe and convertible in the 1950s and evolving into ...

2006 Pontiac Grand Am
GT Coupe
No Expert Reviews

User Reviews Reviews from CarGurus users who have driven or owned the car.

2005 Pontiac Bonneville
GXP
45
2005 Pontiac Bonneville GXPReview:

Gxp — fun car, drives great. expensive to maintain. love beating up on little tuners at the stoplight wh...

Primary Use: Sport/fun (spirited driving, track racing, off-roading, etc.)

105
2005 Pontiac Bonneville GXPReview:

Another Great Orphan Bites The Dust. — Pontiac has been a favorite of mine since owning my Firebird TransAms. This car has great handling, ...

Primary Use: Family transportation

50
2005 Pontiac Bonneville GXPReview:

Hey I Give It 10 Out Of 10 — 11/20/10 = Just found my 2005 Bonneville GXP, white tricoat with 18,000 miles. What a find. Have onl...

Primary Use: Commuting to work

2006 Pontiac Grand Am
GT Coupe
No User Reviews

Specs

2005 Pontiac Bonneville
GXP
2006 Pontiac Grand Am
GT Coupe
Powertrain 4-Speed Automatic
Drivetrain
FWD
--
Fuel Economy, City
15 MPG
--
Fuel Economy, Highway
22 MPG
--
Fuel Tank Volume 18 gal --
Engine
Fuel Type
Gasoline
--
Power
275 hp @ 5,600 RPM
--
Torque
300 lb-ft @ 4,000 RPM
--
Cylinders
8 cylinders
--
Compression Ratio
10:1
--
Displacement
4,600 cc
--
Bore x Stroke
3.66 in x 3.31 in
--
Safety
ABS Brakes Optional --
Driver Airbag Optional --
Passenger Airbag Optional --
Front Side Airbags Optional --
NHTSA Crash Test Results
Front Driver 4 stars --
Front Passenger 5 stars --
Side Driver 4 stars --
Side Rear Passenger 4 stars --
Rollover (pre-2011) 5 stars --
Comfort and Convenience
Sunroof/Moonroof Optional --
Leather Seats Standard --
Air Conditioning Optional --
CD Player Optional --
CD Changer Optional --
Cassette Player Optional --
Radio Optional --
Power Windows Optional --
Power Door Locks Optional --
Driver Power Seats Optional --
Passenger Power Seats Optional --
Interior
Maximum Seating 5 seats --
Front Legroom 42.6 in --
Back Legroom 38 in --
Payload and Towing
Cargo Volume 18 cu ft --
Exterior
Length 202.6 in --
Width 74.2 in --
Height 56.6 in --
Wheelbase 112.2 in --

Available Options

2005 Pontiac Bonneville
GXP
2006 Pontiac Grand Am
GT Coupe

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