2011 Buick LaCrosse — Full Specifications
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The 2011 Buick LaCrosse is a saloon/sedan offered with 2 engines (2.4L 4-cyl, 3.6L 6-cyl). Its most fuel-efficient configuration returns around 28 mpg (UK) / 23 mpg (US EPA) combined, with 24–28 mpg (UK) across all configurations. Owners often keep a Buick LaCrosse workshop manual to hand for servicing and repairs.
Full Specifications
| Engine (most efficient) | 2.4L 4-cyl |
|---|---|
| Engine options | 2.4L 4-cyl · 3.6L 6-cyl |
| Transmission (most efficient) | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Front-Wheel Drive |
| Body Style | Saloon/Sedan |
| Passenger Volume (EPA) | 100 cu ft (2,832 L) |
| Luggage Volume (EPA) | 16 cu ft (453 L) |
| Fuel Economy (UK) | 28 combined / 23 urban / 35 extra-urban mpg |
| Fuel Economy (US EPA) | 23 combined / 19 city / 29 highway mpg |
| CO₂ Emissions | 240 g/km |
| EPA Est. Annual Fuel Cost | $2,900 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 3 configurations for the 2011 Buick LaCrosse across 2 engines (2.4L 4-cyl, 3.6L 6-cyl). Combined fuel economy ranges from 20 to 23 mpg (US), or 24 to 28 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 2.4L 4-cyl | Automatic (S6) | Front-Wheel Drive | 28 | 23 (19/29) | 240 | $2,900 |
| 3.6L 6-cyl | Automatic (S6) | All-Wheel Drive | 24 | 20 (16/26) | 276 | $3,350 |
| 3.6L 6-cyl | Automatic (S6) | Front-Wheel Drive | 24 | 20 (17/27) | 276 | $3,350 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 100 cubic feet (about 2,832 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2011 Buick LaCrosse
Running Costs: 2011 Buick LaCrosse
Covering around 8,000 miles a year in a 2011 Buick LaCrosse at 28 mpg combined, expect roughly 1,299 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $2,900 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2011 Buick LaCrosse Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 4 safety recall campaigns that include the 2011 Buick LaCrosse (as of 6 October 2026). Most affected areas: Suspension (2), Seats (1), Visibility (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Suspension — campaign 21V00F000, reported 22 December 2021. Risk: A rear toe link fracture may reduce the driver's ability to control the vehicle, increasing the risk of a crash.
- Suspension — campaign 20V764000, reported 21 December 2020. Risk: A rear toe link fracture may reduce the driver's ability to control the vehicle, increasing the risk of a crash.
- Seats — campaign 14V447000, reported 23 July 2014. Risk: If the driver's seat unexpectedly drops, the distraction and altered seat position may affect the drivers' control of the vehicle, increasing the risk of a crash.
- Visibility — campaign 11V149000, reported 4 March 2011. Risk: IF THIS CONDITION AFFECTS THE DEFROST SYSTEM WHEN IT IS REQUIRED, IT MAY DECREASE THE DRIVER'S VISIBILITY, AND COULD RESULT IN A CRASH.
Owners have filed 169 complaints with NHTSA about the 2011 Buick LaCrosse. The most-reported areas are Electrical system (32), Engine (30), Suspension (27). Complaints include 15 reported crashes, 1 reported fire, 12 reported injuries. That is well above the median of 48 complaints across the 9 Buick LaCrosse model years in our data.
Used-buyer checklist for the 2011 Buick LaCrosse
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Suspension (2 recall campaigns · 27 owner complaints) — Listen for knocks over bumps and check tyre wear for signs of alignment problems.
- Electrical system (32 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (30 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Transmission & drivetrain (19 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
At 28 mpg (UK) combined it sits close to the 29 mpg average for Buick models in our database.
Of the 9 Buick LaCrosse model years we cover, the 2011 ranks 4th for combined fuel economy on its best configuration (28 mpg UK combined, against a high of 30 mpg). See every Buick LaCrosse year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2011 Buick LaCrosse
Frequently Asked Questions
What engine does the 2011 Buick LaCrosse have?
EPA lists 2 engines for the 2011 Buick LaCrosse: 2.4L 4-cyl, 3.6L 6-cyl. The most fuel-efficient configuration pairs the 2.4L 4-cyl with a automatic (s6).
What is the fuel economy of the 2011 Buick LaCrosse?
The most efficient configuration returns around 28 mpg (UK) combined, or 23 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 24 to 28 mpg.
How much does the 2011 Buick LaCrosse cost to fuel per year?
The US EPA estimates about $2,900 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2011 Buick LaCrosse have a good safety rating?
It holds an overall NHTSA rating of 5 stars, with 5 stars for frontal crash protection.
Does the 2011 Buick LaCrosse have any recalls?
NHTSA lists 4 safety recall campaigns that include the 2011 Buick LaCrosse (as of 6 October 2026). Most affected areas: Suspension (2), Seats (1), Visibility (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2011 Buick LaCrosse?
Among the 169 owner complaints filed with NHTSA, the most-reported areas are Electrical system (32 complaints), Engine (30 complaints), Suspension (27 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2011 Buick LaCrosse have?
EPA measures interior passenger volume at 100 cubic feet (about 2,832 litres) and luggage volume at 16 cubic feet (about 453 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.