Engine repair for a 2004 Buick Regal
Engine repair for the 2004 Buick Regal: CarmaCars does not do this work itself. Request it and we arrange it with a trusted shop or connect you with one, and we can deliver a rental car to you while yours is in.
- Combined
- 11.2 to 11.8 L/100 km
- Body
- Midsize Cars

A rental while yours is in the shop
CarmaCars does not do this work; you keep driving while the shop has your car. We deliver a rental to you, by the day, at our usual rates.
The 2004 Buick Regal for engine repair
- Body: midsize cars (EPA size class).
2004 Buick Regal: every figure
| Figure | Powertrain 1 | Powertrain 2 |
|---|---|---|
| Displacement | 3.8 L | 3.8 L |
| Cylinders | 6 | 6 |
| MPG city (US) | 18 | 16 |
| MPG highway (US) | 28 | 26 |
| MPG combined (US) | 21 | 20 |
| MPG combined (Imperial) (converted from the US figure) | 25 | 24 |
| Luggage volume (litres converted from EPA's cubic feet) | 481 L (17 cu ft) | 481 L (17 cu ft) |
| Fuel cost a year (EPA) (EPA: 15,000 miles at its fuel prices) | US$3,200 | US$4,100 |
| Fuel cost for 20,000 km (at $1.55 a litre) | $3,472 | $4,130 |
Sources: fuel use, MPG, CO2, electric range, battery, charge time, luggage volume and the annual fuel cost are the US EPA's (fueleconomy.gov). Imperial MPG, litres, inches and pounds are converted from those figures. Figures no free source publishes for this car (power, torque, acceleration, top speed, fuel tank, towing) are left out.
What to check when buying the 2004 Buick Regal
- NHTSA lists 2 recall campaigns for this model year. Ask the seller for proof each one was fixed; a dealer can check it by the VIN.
- Owners filed 66 complaints with NHTSA, most often about electrical system (36), engine (18) and engine and engine cooling (8). Have those parts checked before you buy.
| Campaign | Date | Component | Summary |
|---|---|---|---|
| 15V701000 | 2015-10-26 | engine and engine cooling:exhaust system:manifold/header/muffler/tail pipe | General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and... |
| 15V201000 | 2015-04-06 | engine and engine cooling:engine | General Motors LLC (GM) notified the agency on April 2, 2015, that they are is recalling certain model year 2004 Buick Regal vehicles manufactured April 9, 2003, to June 1, 2003, 2004 Chevrolet Impala vehicles manufactured April 8, 2003, to June 23, 2003, and 2004 Chevrolet Monte Carlo vehicles manufactured April... |
Source: NHTSA (US) recall campaigns and owner complaints for this model year.
Engine repair: how we help
For engine work on the 2004 Buick Regal, a trusted shop does the work and CarmaCars arranges it, with a rental if you need one. Engine work ranges from a leak to a rebuild; the shop inspects the car and quotes it.
About your Regal
Bring the owner's manual or service records if you have them. Mention the trim and engine in your request; parts differ between them. Tell the shop the year, the trim and the engine: the 3.8L 6-cylinder. The 3.8L 6-cylinder does the work, through a 4-speed automatic.
How we help
We keep you posted until the car is booked in. You approve the shop's quote before any work. Tell us when suits you, and whether the car can be driven.
A car while yours is in the shop
Keep moving with a rental while the shop has your car, by the day at our usual rates. We deliver the rental to you and collect it when your car is ready. Your offer shows the delivery fee if you want the car brought to you.
A short checklist
If a warning light was the reason, ask what the code was and what fixed it. Ask how long the job should take, so you know how long to rent for. Ask how the shop will contact you if it finds something unexpected.
Between shop visits
Have the cabin air filter changed on the maker's schedule. Follow the maintenance schedule in your owner's manual, by time or distance. Clear snow off the whole car, roof included, before you drive.
Still deciding?
Ask us, and we tell you whether we can arrange it.
Request engine repair
Tell us when suits you. A person replies within one business day and arranges it with a trusted shop or recommends one; the shop sets its own price and time.
Rent a car while yours is in in Toronto
We have no car while yours is in on the site right now. Request one and we look for it for your dates, or take a similar car that is available now.
Similar cars available now
Representative photo
Checking tomorrow…
Example car
Checking tomorrow…
Example car
Checking tomorrow…
Example car
Checking tomorrow…
Representative photo
Checking tomorrow…
Example car
Checking tomorrow…
Want this exact car?
Tell us your dates and we look for a car while yours is in for you. Nothing is booked or charged.