NHTSA lists 5 safety recalls and 680 owner complaints for the 2000 Buick Lesabre. Most complaints involve visibility (250) and electrical system (87). The EPA rates it 20 mpg combined.
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES HAVE INTERNAL FLUID LEAKS IN THE BRAKE HYDRAULIC CONTROL UNIT.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE HEAD LAMP ADJUSTMENT DEVICE HORIZONTAL ADJUSTER MAY NOT MOVE THE HEAD LAMP REFLECTOR WHEN THE SHAFT IS ROTATED IN A NORMAL MANNER DURING AIMING.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“I HAVE REPLACED ALL 4 WINDOW REGULATORS TWICE. I HAVE DONE RESEARCH, AND IT APPEARS MANY HAVE THE SAME ISSUE. BUICK CLAIMS TO SELL "LUXURY" THIS IS FAR FROM LUXURY AND IS UNSAFE! DRIVING 65MPH AND THE WINDOWS JUST GO DOWN....THEN WON'T GO BACK UP! MY CAR HAD TO SIT OUTSIDE WITH BOTH BACK WINDOWS DOWN! *TR”
“I TURN THE IGNITION OVER DIDN'T IT DID NOT EVEN START YET A LOUD WENT BOOM AND UP UNDER THE HOOD WAS BLAZING WITH FIRE THAN MY DOORS LOCKED I COULD NOT GET OUT I HAD TO KICK THE OPPOSITE SIDE AND THEN I GOT OUT I HAD TO CALL SLEEP FIRE RESCUE SQUAD THE FIRE WAS SO BAD IT WAS GOING UP UNDER MY CARPORT AND ALMOST CAUGHT MY ROOF ON FIRE AND ALMOST DID AND DID A LITTLE BIT”
“TL* THE CONTACT OWNS A 2000 BUICK LESABRE. THE CONTACT STATED THAT THE VEHICLE ENGINE CAUGHT ON FIRE WHILE THE VEHICLE WAS TURNED ON. THE VEHICLE WAS NOT TAKEN TO THE DEALER TO BE DIAGNOSED AND WAS NOT REPAIRED. THE FAILURE AND THE CURRENT MILEAGE WAS 80,940.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| LeSabre Auto 4-spd, 6 cyl, 3.8 L · Front-Wheel Drive | 17 | 27 | 20 | $3,100 | 444 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
5 safety recalls as of Nov 9, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 680 complaints with NHTSA. The most-cited components are visibility (250), electrical system (87), engine and engine cooling (78). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2000 Buick Lesabre at 20 mpg combined, depending on engine and drivetrain (1 version rated).