Buick LeSabre vs Pontiac Bonneville 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 Buick LeSabre
Custom Sedan FWD
CarGurus Instant Market Value
$4,965
41 listings nationwide

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2005 Pontiac Bonneville
GXP
CarGurus Instant Market Value
$8,307
8 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2005 Buick LeSabre
Custom Sedan FWD

The Buick LeSabre holds several notable distinctions. As Buick's entry level full-size sedan (just a notch below the Park Avenue), the LeSabre is both the number one selling car in it...

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 ...

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

2005 Buick LeSabre
Custom Sedan FWD
50
Dawn writes:
Great car
105
smokedmw writes:
Outstanding car! 3800 V-6.
Looks/Style Ranked 2008 Chevrolet Impala worse.
"Everything!"
Front Seats Ranked 2008 Chevrolet Impala worse.
"Heated leather, styling"
130
Escape_1650 writes:
For a twelve year old car that I only paid 3000 for its a gem. Has never failed and easy on the wallet for rep...
Power Ranked 2005 Honda Accord DX worse.
"Yes, more powerful"
Family Car Ranked 2005 Honda Accord DX worse.
"More room and more cargo capacity"
2005 Pontiac Bonneville
GXP
45
jwdstang2000 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.)

125
donhank 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
ruzzinator 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

Specs

2005 Buick LeSabre
Custom Sedan FWD
2005 Pontiac Bonneville
GXP
Powertrain 4-Speed Automatic 4-Speed Automatic
Drivetrain
FWD
FWD
Fuel Economy, City
18 MPG
15 MPG
Fuel Economy, Highway
27 MPG
22 MPG
Fuel Tank Volume 18 gal 18 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
205 hp @ 5,200 RPM
275 hp @ 5,600 RPM
Torque
230 lb-ft @ 4,000 RPM
300 lb-ft @ 4,000 RPM
Cylinders
6 cylinders
8 cylinders
Compression Ratio
9.4:1
10:1
Displacement
3,800 cc
4,600 cc
Bore x Stroke
3.8 in x 3.4 in
3.66 in x 3.31 in
Safety
ABS Brakes Standard Optional
Driver Airbag Standard Optional
Passenger Airbag Standard Optional
Front Side Airbags Optional Optional
NHTSA Crash Test Results
Front Driver 4 stars 4 stars
Front Passenger 5 stars 5 stars
Side Driver 4 stars 4 stars
Side Rear Passenger 4 stars 4 stars
Rollover (pre-2011) 5 stars 5 stars
Comfort and Convenience
Sunroof/Moonroof -- Optional
Leather Seats Optional Standard
Air Conditioning Standard Optional
CD Player Standard Optional
CD Changer Optional Optional
Cassette Player Optional Optional
Radio Standard Optional
Power Windows Standard Optional
Power Door Locks Standard Optional
Driver Power Seats Standard Optional
Passenger Power Seats Optional Optional
Interior
Maximum Seating 6 seats 5 seats
Front Legroom 42.4 in 42.6 in
Back Legroom 39.9 in 38 in
Payload and Towing
Cargo Volume 18 cu ft 18 cu ft
Standard Towing Capacity 1,000 lbs --
Maximum Towing Capacity 1,000 lbs --
Exterior
Length 200 in 202.6 in
Width 73.5 in 74.2 in
Height 57 in 56.6 in
Wheelbase 112.2 in 112.2 in

Available Options

2005 Buick LeSabre
Custom Sedan FWD
2005 Pontiac Bonneville
GXP

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