Vehicle Data Hub

2003 Buick Regal engine problems

Owners reported engine problems in 36 complaints for the 2003 Buick Regal, 26% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
36 26% of this year's complaints
Typical mileage
146,000 miles 20 complaints with mileage
Crashes and fires
1 and 12
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

When engine problems show up

Engine complaints by mileage, 2003 Buick Regal Complaints by odometer reading in 20,000-mile steps. The median is about 146,000 miles. 0k to 20k miles: 0 complaints 20k to 40k miles: 1 complaints 40k to 60k miles: 1 complaints 60k to 80k miles: 0 complaints 80k to 100k miles: 2 complaints 100k to 120k miles: 2 complaints 120k to 140k miles: 3 complaints 140k to 160k miles: 3 complaints 160k to 180k miles: 1 complaints 180k to 200k miles: 5 complaints 200k+ miles: 2 complaints 040k80k120k160k200k miles Typical: 146,000 miles
Based on 20 complaints that include mileage. 10% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles0
20k to 40k miles1
40k to 60k miles1
60k to 80k miles0
80k to 100k miles2
100k to 120k miles2
120k to 140k miles3
140k to 160k miles3
160k to 180k miles1
180k to 200k miles5
200k+ miles2

What the data shows

Of the 20 engine complaints that report mileage, the median is about 146,000 miles, and 10% were reported before 60,000 miles.

These complaints mention 1 crash, 12 fires.

What owners wrote

Tl*the contact owns a 2003 buick regal. The contact received a recall notice for NHTSA campaign id number 08v118000, NHTSA action number ea07008 (engine and engine cooling). The failure occurred before the vehicle could be taken to the dealer. While driving 35 MPH, the driver noticed smoke coming out of the dashboard. She pulled the vehicle over and it burst into flames seconds later. The fire department extinguished the fire, but they stated that the vehicle should not have caught fire so easily.

Reported at 120,000 miles, July 2009 Fire

Engine died while signaling a left turn going about 45 MPH. Almost rear ended. Changed ignition switch module. No repeat recurrence.

Reported at 103,000 miles, March 2014

Other problems reported for the 2003 Buick Regal

Engine problems in other years

Engine problems across all Buick models