1999 Buick LeSabre
US · Large Cars
The 1999 Buick LeSabre is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- 3.8L 6-cylinder
- Power
- Not available
- Torque
- Not available
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Fuel
- Gasoline
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 3.8L 6-cylinder | |
| Displacement | 3.8 L | |
| Cylinders | 6 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Aspiration, Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 4 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| City | 17 mpg (13.8 L/100 km) | |
| Highway | 27 mpg (8.7 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 2 recall campaigns for this model year. Last checked October 19, 2026.
04V090000: FUEL SYSTEM, GASOLINE:DELIVERY
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.
Remedy: DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDUCTED IN PHASED MAILINGS. PHASE 1 BEGAN ON JUNE 30, 2004, AND PHASE 2 BEGAN ON SEPTEMBER 30, 2004. OWNERS SHOULD CONTACT BUICK AT…
Reported February 24, 2004. View on NHTSA
99V089000: POWER TRAIN:AUTOMATIC TRANSMISSION
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSIONS. THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE." A RETAINING CLIP, WHICH SECURES THE MANUAL VALVE TO THE LINKAGE OF THE TRANSMISSION DETENT LEVER, CAN BECOME LOOSE UNDER A COMBINATION OF POSSIBLE DRIVER SHIFTING MANEUVERS AND ALLOW THE LINK TO BECOME…
Remedy: DEALERS WILL REPLACE THE MANUAL VALVE/LINK ASSEMBLY WITH A REPLACEMENT MANUAL VALVE/LINK KIT, FEATURING A SPRING-TYPE FASTENER.
Reported April 26, 1999. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 19, 2026 · US Government public data
- NHTSA vPIC · retrieved October 19, 2026 · US Government public data
Source checked: October 19, 2026
Data verified: October 19, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 1998 Buick LeSabre
Gasoline
3.8L 6-cylinder · FWD
21 mpg (11.2 L/100 km) - 2000 Buick LeSabre
Gasoline
3.8L 6-cylinder · FWD
20 mpg (11.8 L/100 km)
Frequently asked questions
What engine does the 1999 Buick LeSabre have?
3.8L 6-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1999 Buick LeSabre?
Combined fuel economy is 21 mpg (11.2 L/100 km), as published by the source shown in the specification table.
Is the 1999 Buick LeSabre front-wheel, rear-wheel or all-wheel drive?
Drivetrain: FWD.
Are there recalls for the 1999 Buick LeSabre?
NHTSA lists 2 recall campaigns for this model year (last checked October 19, 2026). Details are in the Recalls section.