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2003 Buick Regal Overview

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 Downsides include some dash rattles, an outdated interior (especially the faux wood trim), wind noise, and cupholders that get in the way of the shifter.

Updated by Anonymous

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Buick Regal Questions

2003 Buick Regal Shuts Down While In 4th Gear

My Buick regal will run forever as long as it's in 3rd gear. If I have it in 4th (OD), it will stall it between 1-7 miles from where I started. I need to give it ether to start it back up, rev en...

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 po...

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 mad...

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 fo...


I replaced the BCM on my '03 Regal and now the engine will not crank. When I put the old BCM back in the car will start but the dash and gauges do not work, which is why I replaced the BCM in the fir...