2010 Buick LaCrosse - Road Test Specs

2010 Buick LaCrosse Sedan

(3.6L V6 6-speed Automatic)
Vehicle
Model year2010
MakeBuick
ModelLaCrosse
StyleCXS 4dr Sedan (3.6L 6cyl 6A)
Base MSRP$33,765
Options on test vehicleAudio System With Navigation and Back-Up Camera ($1,995); Oversized Power Sunroof ($995); Touring Package ($800 -- includes 19-inch nine-spoke alloy wheels, P245/40R19 all-season blackwall tires, continuously variable real-time-damping chassis with Sport mode selectivity); Xenon HID Headlamps ($695); Head-Up Display ($350); Rear-Seat-Mounted Thorax Airbags ($350).
As-tested MSRP$39,325
Drivetrain
Drive typeFront-wheel drive
Engine typeDirect-injection V6
Displacement (cc/cu-in)3,564cc (217 cu-in)
Block/head materialAluminum/aluminum
ValvetrainDOHC 4 valves per cylinder, continuously variable valve timing and lift
Compression ratio (x:1)11.3
Redline (rpm)6,500
Horsepower (hp @ rpm)280 @ 6,300
Torque (lb-ft @ rpm)259 @ 4,800
Transmission typeSix-speed automatic
Transmission and axle ratios (x:1)I = 4.48, II = 2.87, III = 1.84, IV = 1.41, V = 1.00, VI = 0.74, FD = 2.77, R =2.88
Chassis
Suspension, frontIndependent, MacPherson struts, electronically controlled dampers, coil springs and stabilizer bar
Suspension, rearIndependent, multilink, electronically controlled dampers, coil springs and stabilizer bar
Steering typeHydraulic-assist speed-proportional rack-and-pinion power steering
Steering ratio (x:1)15.2:1
Tire brandGoodyear
Tire modelEagle RS-A
Tire typeAll-season
Tire size, frontP245/40R19 94W
Tire size, rearP245/40R19 94W
Wheel size19-by-8.5 inches
Wheel materialPainted alloy
Brakes, front12.6-inch ventilated disc
Brakes, rear12.4-inch solid disc
Track Test Results
0-45 mph (sec.)4.9
0-60 mph (sec.)7.5
0-75 mph (sec.)11.2
1/4-mile (sec. @ mph)15.6 @ 90.3
0-60 with 1 foot of rollout (sec.)7.2
Braking, 30-0 mph (ft.)32
60-0 mph (ft.)127
Slalom, 6 x 100 ft. (mph)62.3 (61.1 ESC on)
Skid pad, 200-ft. diameter (lateral g)0.80 (0.76 ESC on)
Sound level @ idle (dB)44.4
@ Full throttle (dB)78.2
@ 70 mph cruise (dB)68.1
Test Driver Ratings & Comments
Acceleration commentsCompared to the 3.0 CXL, there's only a little more snap or sizzle from the CXS's 3.6-liter V6. Again, shifts are exceptionally smooth and occur at what we assume is a 6,500-rpm redline (none evident on tach). Quiet and confident but not at all what we'd call thrilling.
Braking ratingGood
Braking commentsPedal has some idle stroke, but the brakes themselves feel strong. Despite an identical 127-foot best stop, there's a little more fade on the CXS than on the CXL where this car's distances grew by about 5 feet from first to fourth stop. No ABS flutter or hum and dead straight.
Handling ratingGood
Handling commentsSkid pad: Appropriate effort/build-up from steering wheel. Easy to find the mild understeer at the limit. Good balance so I could easily alter the course with the throttle. ESP is rather conservatively tuned here, resulting in both brake application and throttle closure. Slalom: This CXS doesn't feel as crisp as the CXL did, but it ultimately makes the same handling numbers. The differences are: turn-in isn't as quick, it takes more time to take a set, and I had more difficulty placing the car very near the cones without hitting them. The stability system is well tuned to approach limits with minimal intrusion. All handling tests in Sport mode.
Testing Conditions
Elevation (ft.)1,121
Temperature (F)90.4
Wind (mph, direction)3.0 (head/cross)
Fuel Consumption
EPA fuel economy (mpg)17 city/27 highway/21 combined
Edmunds observed (mpg)13.0 worst/25.4 best/18.5 average
Fuel tank capacity (U.S. gal.)18.4
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)4,065
Curb weight, as tested (lbs.)4,155
Weight distribution, as tested, f/r (%)58/42
Length (in.)196.9
Width (in.)73.1
Height (in.)59.2
Wheelbase (in.)111.7
Track, front (in.)61.7
Track, rear (in.)62
Turning circle (ft.)38.7
Legroom, front (in.)41.7
Legroom, rear (in.)40.5
Headroom, front (in.)38.0
Headroom, rear (in.)37.3
Shoulder room, front (in.)57.4
Shoulder room, rear (in.)56.0
Seating capacity5
Cargo volume (cu-ft)12.8
Max. cargo volume, seats folded (cu-ft)Data not provided (60/40-split fold and ski pass-through)
Warranty
Bumper-to-bumper4 years/50,000 miles
Powertrain5 years/100,000 miles
Corrosion6 years/Unlimited miles
Roadside assistance5 years/100,000 miles
Free scheduled maintenanceNot available
Safety
Front airbagsStandard
Side airbagsStandard dual front, optional rear
Head airbagsStandard front and rear
Knee airbagsNot available
Antilock brakes4-wheel ABS
Electronic brake enhancementsBraking assist, electronic brakeforce distribution, electronic parking brake
Traction controlStandard
Stability controlStandard
Rollover protectionNot available
Tire-pressure monitoring systemStandard tire-pressure monitoring with location
Emergency assistance systemNot available
NHTSA crash test, driverNot tested
NHTSA crash test, passengerNot tested
NHTSA crash test, side frontNot tested
NHTSA crash test, side rearNot tested
NHTSA rollover resistanceNot tested

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