2011 BMW ALPINA B7 - Road Test Specs

2011 BMW Alpina B7 Sedan

(4.4L V8 Twin-turbo 6-speed Automatic)
Vehicle
Year Make Model2011 BMW ALPINA B7 SWB 4dr Sedan (4.4L 8cyl Turbo 6A)
Vehicle TypeRWD 4dr 5-passenger Sedan
Base MSRP$122,000
Options on test vehicleAlpina Blue Metallic ($0); Driver Assistance Package ($1,350 -- includes automatic high beams, lane departure warning, active blind spot detection, ceramic-finish control surfaces); Rearview Camera ($400); Smartphone Integration ($150).
As-tested MSRP$127,255
Assembly locationDingolfing, Germany
North American parts content (%)5
Drivetrain
ConfigurationLongitudinal, front-engine, rear-wheel drive
Engine typeTwin-turbocharged, direct-injected V8, gasoline
Displacement (cc/cu-in)4,395cc (268cu-in)
Block/head materialAluminum/aluminum
ValvetrainDOHC, 4 valves/cylinder variable intake + exhaust-valve timing
Compression ratio (x:1)9.2
Redline, indicated (rpm)6,750
Horsepower (hp @ rpm)500 @ 5,500
Torque (lb-ft @ rpm)516 @ 3,000
Fuel typePremium unleaded (required)
Transmission typeSix-speed automatic with console shifter and steering-mounted buttons
Transmission ratios (x:1)I=4.171; II=2.340; III=1.521; IV=1.143; V=0.867; VI=0.691; Reverse=3.462
Final-drive ratio (x:1)3.64
Chassis
Suspension, frontIndependent double-wishbones, coil springs, driver-adjustable 3-mode variable dampers, self-adjusting, active, stabilizer bar
Suspension, rearIndependent multilink, coil springs, driver-adjustable 3-mode variable dampers, self-adjusting active stabilizer bar
Steering typeSpeed-proportional power steering
Steering ratio (x:1)19.1
Tire make and modelMichelin Pilot Sport PS2
Tire typePerformance front - performance rear
Tire size, frontP245/35R21 96Y
Tire size, rearP285/30R21 100Y
Wheel size, front21-by-8.5 inches
Wheel size, rear21-by-10 inches
Wheel materialCast aluminum
Brakes, front14.7-inch one-piece ventilated cast-iron discs with single-piston sliding calipers
Brakes, rear14.6-inch one-piece ventilated cast-iron discs with single-piston sliding calipers
Track Test Results
Acceleration, 0-30 mph (sec.)1.9
0-45 mph (sec.)3.1
0-60 mph (sec.)4.5
0-75 mph (sec.)6.4
1/4-mile (sec. @ mph)12.7 @ 111.6
0-60 with 1 foot of rollout (sec.)4.3
0-30 mph, trac ON (sec.)2.0
0-45 mph, trac ON (sec.)3.3
0-60 mph, trac ON (sec.)4.7
0-75 mph, trac ON (sec.)6.7
1/4-mile, trac ON (sec. @ mph)12.9 @ 110.7
0-60, trac ON with 1 foot of rollout (sec.)4.4
Braking, 30-0 mph (ft.)28
60-0 mph (ft.)107
Slalom, 6 x 100 ft. (mph)68.5
Slalom, 6 x 100 ft. (mph) ESC ON68.1
Skid pad, 200-ft. diameter (lateral g)0.90
Skid pad, 200-ft. diameter (lateral g) ESC ON0.90
Sound level @ idle (dB)43.6
@ Full throttle (dB)71.5
@ 70 mph cruise (dB)66.0
Engine speed @ 70 mph (rpm)1,900
Test Driver Ratings & Comments
Acceleration commentsThe Alpina B7 accelerates effortlessly, like it's barely breaking a sweat, and then feels like it accelerates harder and harder as it goes through the gears. The power delivery is smooth yet potent everywhere on the tach. Won't spin the rear tires during a launch without brake torquing. The quickest run came with a smidge of tire chirp at launch and running in Sport + with stability control off and six-speed automatic in Manual mode (although it shifts for itself anyway).
Braking commentsThe Alpina stops like a champion, probably due to the wide 21-inch Michelin Pilot Sport PS2s. You can feel the tires clawing at the pavement for traction. The brakes themselves are also phenomenal, as stopping distances were consistently short, with only a small amount of sponginess in the pedal for the last two attempts.
Handling commentsSkid pad: Grip is excellent and it's easy to keep the car on the cornering arc. Able to attain peak number with stability control on because Alpina-tuned Sport + mode has very high limits and so didn't intervene. Slalom: The steering is slower than expected and the car is quite heavy, yet the B7 proves deft through the slalom cones. The grip is excellent and the car seems to hunker down the harder you push it. Sport + mode allows a decent amount of sliding but then is very aggressive when it does intervene with abrupt throttle cut.
Testing Conditions
Test date11/16/2010
Test locationCalifornia Speedway
Elevation (ft.)1,121
Temperature (F)72.1
Relative humidity (%)22.8
Barometric pressure (in. Hg)28.9
Wind (mph, direction)4.7 head
Odometer (mi.)5,227
Fuel used for test91-octane gasoline
As-tested tire pressures, f/r (psi)38/38
Fuel Consumption
EPA fuel economy (mpg)14 city/22 highway/16 combined
Edmunds observed (mpg)16.3
Fuel tank capacity (U.S. gal.)21.7
Driving range (mi.)477.4
Audio and Advanced Technology
Stereo descriptionPremium Hi-Fi with six-disc DVD changer
iPod/digital media compatibilityStandard generic aux jack
Satellite radioStandard Sirius
Hard-drive music storage capacity (Gb)None
Rear seat video and entertainmentOptional DVD player
Bluetooth phone connectivityStandard
Navigation systemStandard with traffic
Telematics (OnStar, etc.)Optional
Smart entry/StartStandard ignition doors trunk/hatch
Parking aidsStandard parking sonar front and rear perimeter + back-up camera system
Blind-spot detectionOptional
Adaptive cruise controlOptional
Lane-departure monitoringOptional departure warning
Collision warning/avoidanceOptional
Night VisionOptional
Driver coaching displayNot available
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)4,564
Curb weight, as tested (lbs.)4,686
Weight distribution, as tested, f/r (%)52/48
Length (in.)200.2
Width (in.)74.9
Height (in.)58.4
Wheelbase (in.)120.9
Track, front (in.)63.8
Track, rear (in.)64.1
Turning circle (ft.)40.0
Legroom, front (in.)41.3
Legroom, rear (in.)38.9
Headroom, front (in.)40.6
Headroom, rear (in.)38.5
Shoulder room, front (in.)59.2
Shoulder room, rear (in.)57.4
Seating capacity5
Step-in height, measured (in.)16.0
Trunk volume (cu-ft)17.6
Cargo loading height, measured (in.)27.8
GVWR (lbs.)5,699
Warranty
Bumper-to-bumper4 years/50,000 miles
Powertrain4 years/50,000 miles
Corrosion6 years/Unlimited miles
Roadside assistance4 years/50,000 miles
Free scheduled maintenance4 years/50,000 miles

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