What's Wrong with the 4th Generation (1997–2008) Regal?

Regal owners have made 125 complaints about the 1997–2008 model years. Using our PainRank™ system we've ranked it 13th out of 22 Buick generations in overall reliability, with real electrical and engine concerns.

Compare With Other Regal Generations

Common 1997-2008 Buick Regal Problems

Some of the worst issues 4th generation Regal owners have to deal with.

  1. Inaccurate Gas Gauge

    GM vehicles have a problem with defective gas gauges that leave owners wondering just how much fuel is left in their tank. The gauge goes a little whacko once the tank is less than half full, with owners saying it sticks in place or bounces…

    Continue reading article "Inaccurate Gas Gauge" Cluster on instruments in a Buick, including a gas gauge that shows the tank is empty.

What Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Issues

What Breaks the Most

Years to Avoid

4th Generation (1997–2008) Regal Key Numbers

  1. 8 model years

    Grouping all models by their year can reveal some baddies.

  2. 125 complaints

    Running tally of owner grievances filed to CarComplaints.com.

  3. 13th in reliability

    Overall reliability rank out of 22 eligible generations.