Interchangeable parts
What front end parts off of a 2003 Buick Century custom will fit a 2003 Buick Regal ls
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2003 Buick Regal Reviews, Pricing & Specs
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2003 was a year for downsizing in the Buick Regal. Not in dimensions or trunk capacity (16.7 cubic feet) or engine power (a 3.8-liter, V6), but in standard equipment, most notably in the base LS model. The 2003 Regal is a mid-size sedan that shares its style and platform with the Century, but offers better performance and a sportier suspension in an attempt to woo younger buyers.
This year, some safety features that were standard on the LS, such as ABS brakes and traction control, are now optional. They are still offered with the GS. Heated mirrors are now only optional on the GS. And the handy split-folding rear seats will now cost you extra. Does the 2003 Regal make up for this with anything new? It does get a better starter and bundles options together in more packages, a new Luxury package and a Leather and Wheel package, which adds leather seats, the split-fold, and 15-inch aluminum wheels to the LS. A 195-hp V6 powers the base LS, while the supercharged GS hits 240-hp, both with a 4-speed automatic. The GS comes standard with 16-inch wheels, a stiffer suspension, and rear stabilizer bar, which is optional on the LS as the Gran Touring package.
The 2003 Regal is a good domestic alternative to the more popular foreign mid-size sedans, and owners like the still long list of features (power driver's seat, cruise, keyless entry) even in the base model. They also feel the engine is reliable and durable, with good 20/30 gas mileage. Handling is a breeze, and the GS acceleration power hints at street racer potential. Downsides include some dash rattles, an outdated interior (especially the faux wood trim), wind noise, and cupholders that get in the way of the shifter.
Published Aug 8, 2022 by CarGurus Editorial Team
User reviews for 2003 Buick Regal
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by Big D
Sep 18, 2021
Its a nice car an they ride good to Sep 18, 2021
by Francois B
Sep 08, 2009
This is the Camry of North American cars. Just a size bigger and little bit less fuel efficient. This car is the most reliable of the Buick line and Buick is the most reliable brand from the North American's. The engine is responsive and better for highways; fuel economy is average for a car of this size. 26 Mpg with a highway-focused tempo. The steering wheel feels light but the windows allow for much visibility. Interior space is generous and sound-proofing is just above above average. Suspension is soft (too soft). I would recommend this car to anyone looking for a good full-size, reliable and affordable, sedan.Sep 08, 2009
by Anonymous
Feb 12, 2009
Performance is lively in every respect. The drivetrain is as close to bullet proof as they come. Build quality is quite good. The exterior is on the "classy bland" side, interior is relatively well laid out and executed, with the exception of lack of interior storage space. Buick just ignores this issue on most models. Cost of ownership is reasonable, except for the heavy footed driver. This model leads all other Buick models in fun factor. If you have to have a sporty Buick, this is the one!Feb 12, 2009
User rating:
by Big D
Sep 18, 2021
Its a nice car an they ride good to Sep 18, 2021
by Francois B
Sep 08, 2009
This is the Camry of North American cars. Just a size bigger and little bit less fuel efficient. This car is the most reliable of the Buick line and Buick is the most reliable brand from the North American's. The engine is responsive and better for highways; fuel economy is average for a car of this size. 26 Mpg with a highway-focused tempo. The steering wheel feels light but the windows allow for much visibility. Interior space is generous and sound-proofing is just above above average. Suspension is soft (too soft). I would recommend this car to anyone looking for a good full-size, reliable and affordable, sedan.Sep 08, 2009
by Anonymous
Feb 12, 2009
Performance is lively in every respect. The drivetrain is as close to bullet proof as they come. Build quality is quite good. The exterior is on the "classy bland" side, interior is relatively well laid out and executed, with the exception of lack of interior storage space. Buick just ignores this issue on most models. Cost of ownership is reasonable, except for the heavy footed driver. This model leads all other Buick models in fun factor. If you have to have a sporty Buick, this is the one!Feb 12, 2009
by Craig B
Mar 05, 2008
I would love to buy another one of these!Mar 05, 2008
What users have asked
2003 Buick Regal Momentary loss of power with p0101/p0107
I have an '03 Regal with around 350,000 miles on it. Ran fine for a long time, then it developed an interesting problem. Soon after starting up and getting up to speed, it has a momentary loss of power. The RPMs will drop 500- 1000 for a second, and then it's back to normal. This can happen at 35 or 55. Generally on my 25 minutes commute, it'll happen within the first 5 minutes, then maybe once more. After it does this, when I come to a stop, the engine begins surging while trying to slow down or idle. The lights are surging with the engine. I have to really hold the brake to keep it from trying to move forward. If I put it in park and give it some gas, this clears up. It will idle fine until the loss of power. But this idle surging always clears out with the application of more throttle (which is sometimes hard to do while sitting at a red light). OBD2 is throwing a p0101, p0107 and occasionally p0137. I cleaned, then replaced the MAF sensor Also cleaned, then replaced, the IAC Valve. (Every once in a while it will make a loud sucking sound from the throttle body, but that's infrequent). The rough idle was killing it, until I realized that I had left he MAF in when I sprayed Seafoam down the throttle body. I cleaned the MAF and it no longer dies at rough idle. But I replaced the MAF anyway. No change so far. And it's still throwing up the p0101 even after I replaced the MAF. I haven't yet replaced the MAP or the 02 sensor. I'm stuck and need some diagnostic direction.
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Car starts and slowly dies
My vehical has ran just fine, I parked it one night at home. The next morning I went out to my car to start it and it started no problem but then it slowly died. I gave it a little gas but that made it shut down even,quicker.
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What are the channels on roof of my Buick aregal for?
One channel on each side of roof of my 2003 Regal. what are they for? I’m getting water on floor of passenger side when it rains. The channels have nothing in them currently. Could this be reason for water coming in?
29 views
Top Comparisons
Have you driven a 2003 Buick Regal?Compare this car
2003 Buick Regal Pricing
Original MSRP
$24,895 to $28,895Price range
N/AAverage price on CG
N/AYoY price change
N/ATrims & specs
Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Front side airbags
Audio System
Single disc in-Dash CD · Premium Brand: Monsoon · AM/FM radio
Brakes
ABS: 4-wheel
Comfort Features
Steering wheel trim: leather
Convenience Features
Multi-function remote: keyless entry · Steering wheel: tilt-adjustable · Steering wheel mounted controls: audio
Lights
Exterior entry lights: security approach lamps · Headlights: Auto on/off
Mirrors
Exterior mirrors: power · Inside rearview mirror: electrochromic
Rear Seats
Type: bench
Roof
Moonroof: power
Seats
Front seat type: bucket · Heated: front seats · Upholstery: cloth
Tires and Rims
Wheels: chrome
Windows
Front wipers: intermittent
Air Conditioning
Automatic climate control front air conditioning · Dual front air conditioning zones
Airbags
Dual front airbags · Front side airbags
Audio System
Single disc in-Dash CD · Premium Brand: Monsoon · AM/FM radio
Brakes
ABS: 4-wheel
Comfort Features
Steering wheel trim: leather
Convenience Features
Dimming rearview mirror: auto-dimming · Multi-function remote: trunk release · Steering wheel: tilt-adjustable · Steering wheel mounted controls: audio
Lights
Exterior entry lights: security approach lamps · Headlights: Auto on/off
Mirrors
Exterior mirrors: power
Rear Seats
Type: split-bench
Roof
Moonroof: power
Seats
Front seat type: bucket · Heated: front seats · Upholstery: leather
Tires and Rims
Wheel type: aluminum alloy · Wheels: chrome
Windows
Front wipers: intermittent