Buyer Research

2010 Buick LaCrosse — Should You Buy One?

Typical asking price: $4,000–$7,500. There are 2 high-severity known issues you need to know before handing over a check.

Deciding between model years? Compare the 10 Buick LaCrosse years we've written up →

Kestrel Take

First year of the second-generation LaCrosse — the handsome one on the Epsilon II platform, with a 2.4L four, a 3.0L V6 or the 3.6L direct-injection V6 and a six-speed automatic. The record is 189 complaints, and half of it is two clusters that tell one story: the engine cutting out or dropping into reduced power at highway speed, and an electrical system that throws every warning on the dash at once, sometimes on the way to a stall. Twelve of those reports involve a fire, most of them in the headlight wiring. Underneath it all sits a rear toe-link recall for salt-state cars that GM took two attempts at. It is a comfortable, quiet, cheap car now, and one with a full service file and a mechanic's sign-off on the grounds and timing chains can be a bargain — but a 2010 that stumbles on a cold start or flickers its dash is a car that will strand you, and the record says so plainly.

What we checked

Reconciled against public records, 2026-09-25

NHTSA holds 189 owner complaints for the 2010 Buick LaCrosse, and 2 recall campaigns.

A big number here usually means a lot of these were sold, not that it is a bad vehicle — popular models collect more complaints for the same rate of trouble. So the total on its own says little. What is worth reading is the shape of it. The largest single group is the engine at 27%. That is notable without being overwhelming — worth checking, not worth panicking about.

2 recall campaigns cover this model year. Recalls are repaired free, for any owner, with no time limit on most safety campaigns — but only if someone books it in. Ask the seller to show it was done, or have any dealer check the VIN; it takes them a couple of minutes and costs nothing.

Counts come from the NHTSA complaint and recall database — free, public, and worth checking yourself.

Known Issues for the 2010 Buick LaCrosse

Ranked by wallet impact. These are documented, recurring problems — not freak accidents. How we decide that.

Stall or 'Engine Power Reduced' at highway speed — steering and brakes go heavy with itHigh — wallet impact

Engine is 27% of the record and the samples repeat one scene: 50 to 70 mph, a warning light, the car loses forward drive, the power steering and brake assist fall away, and it either restarts after fifteen minutes or gets towed. Six of these reports involve a fire. On the 3.6L direct-injection V6 the usual suspects are stretched timing chains (codes P0008 and P0017, a rattle on cold start) and a failing high-pressure fuel pump; on the 2.4L the same pump and a timing chain, and across all three engines a throttle body or accelerator pedal sensor that trips reduced-power mode. A repeat catalytic converter replacement appears too. GM extended coverage on the 3.6L's timing chains for some model years — ask a Buick dealer to run the VIN for any open special coverage. Cold-start the car yourself and listen for a chain rattle in the first ten seconds; pull the codes even if the light is off.

Repair cost (estimate): $400–$1,200 for a throttle body, pedal sensor or high-pressure fuel pump; $1,800–$3,200 for timing chains on the 3.6L — around 56% of what this car is typically worth

Source: NHTSA complaints filed under the engine (51), throttle and cruise control (17).

Rear suspension toe links can fracture in salt-belt cars — loss of control (recall, issued twice)High — wallet impact

Recall 20V764 covers 2010–2013 LaCrosses sold or ever registered in the salt-belt states and the District of Columbia: the rear toe links corrode and can fracture, and a broken toe link lets the rear wheel steer itself. Dealers replace both toe links and their adjuster fasteners free. Parts were not available when the first campaign was announced, so GM reissued it in 2021 with letters mailed in January 2022 — which means a car that shows the first campaign as open may have been waiting for parts, not skipped. Look the VIN up on the NHTSA recall page, and if the car has ever lived in a snow state, get under the rear with a flashlight: the toe links are the thin bars from the subframe to each rear hub, and rust flaking off them is your answer.

Repair cost: $0 with the recall — verify it was performed

Source: 2 NHTSA recall campaigns on this model year.

Low-beam headlight goes dark; the connector behind it melts — six fires in this clusterMedium

Electrical is 24% of the record, and the headlights are the expensive part of it: a low beam that stops working, works again when it feels like it, and defeats shop after shop until someone finds the connector at the bulb burned and shorted. One owner had the dealer repair the connector and watched it fail again; the whole cluster carries six fire reports. The rest is a dead battery that locks the owner out of the car, a defroster and instrument panel that stay lit, and an airbag light paired with a transmission that jerks. Check both low beams from outside the car with the engine running, then pull the bulb cover and look at the plug for browning or a melted edge. Ask a Buick dealer whether the VIN carries any extended coverage on the headlamp wiring.

Repair cost (estimate): $150–$500 per side for a connector and bulb; $700–$1,400 for a headlamp assembly

Source: NHTSA complaints filed under electrics and electronics (46).

'Service StabiliTrak' with ABS and Park Assist warnings, gauges swinging, then the engine loses powerMedium

Twenty-three stability-control complaints, and almost none of them are about stability control. The pattern is a cascade: StabiliTrak, ABS and Park Assist messages flashing, the tachometer and speedometer swinging, the car jerking and losing engine power at speed, sometimes a shake for the first minutes after a cold start. Dealers finding nothing wrong is part of the pattern. On GM cars of this era the cascade usually traces to a voltage problem — a corroded negative battery cable or engine ground strap, a tired alternator, or a failing ignition switch — before it is any of the modules named on the dash. A shop with a scan tool can read the stored codes and check charging voltage in half an hour; ask for both before you buy, and treat a seller's 'the light just does that' as a reason to walk.

Repair cost (estimate): $150–$600 for a battery cable, ground strap or ignition switch; $500–$900 for an alternator

Source: NHTSA complaints filed under stability control (23).

Power steering assist drops out — 17 complaints, three of them crashesMedium

The four-cylinder LaCrosse uses electric power steering and the V6 cars a hydraulic pump, and both appear here as sudden heavy steering with a power-steering warning, three times ending in a crash. On the 2.4L the electric rack's motor or its control module is the usual failure and the fix is a rack; on the V6, look for a whining pump and a low reservoir. Some of these are the same voltage cascade written up above, which is why a charging-system check comes first. In the lot, turn the wheel lock to lock at a standstill and listen; on the drive, take a slow parking-lot loop and feel for a moment where the assist vanishes.

Repair cost (estimate): $900–$2,000 for an electric steering rack; $300–$700 for a hydraulic pump — about 35% of what this car is typically worth

Source: NHTSA complaints filed under steering (17).

Six-speed automatic slamming into gear or losing forward driveMedium

Seventeen power train complaints describe harsh or delayed shifts, a jerk under acceleration and, in the worse cases, a transmission that will not pull forward. The 6T70 six-speed behind the V6 has a known weak point on early cars in the 3-5-reverse wave plate, which cracks and takes third, fifth and reverse with it; the 6T40 behind the 2.4L is generally stronger but not immune to solenoid and valve-body faults. On the test drive, from a cold start, check that reverse engages within a second and that the 2-3 and 4-5 shifts are smooth under light throttle. Check the fluid on the dipstick if the car has one: dark or burnt-smelling fluid on a car with no service record is a transmission you are buying blind.

Repair cost (estimate): $2,500–$4,500 for a rebuild or replacement; $400–$900 for a valve body or solenoid — around 78% of what this car is typically worth

Source: NHTSA complaints filed under the transmission and drivetrain (17).

Walk-Away Red Flags

✗Rattle from the front of the engine in the first seconds after a cold start
✗Any dash warning that flickers or a gauge that swings on the test drive
✗A low beam that is out, or a browned plug behind the headlight bulb
✗Rust flaking off the rear toe links on a car from a snow state
✗Delayed or slamming engagement into reverse or third
✗Seller cannot show the toe-link recall closed on the VIN

Good Signs

✓Recall 20V764 shown complete on the NHTSA VIN lookup, or an invoice for both rear toe links
✓Invoice for timing chains and guides on the 3.6L, with the codes cleared since
✓New negative battery cable or ground strap with a receipt, and charging voltage of 13.8–14.4V at idle
✓Both low beams lit with the original, unmelted connectors behind them
✓Transmission fluid changed with a receipt and smooth shifts on a cold drive