2013 BMW 6 Series Gran Coupe - Road Test Specs

2013 BMW 6 Series Gran Coupe Sedan

(3.0L 6-cyl. Turbo 8-speed Automatic)
Vehicle
Year Make Model2013 BMW 6 Series Gran Coupe 640i 4dr Sedan (3.0L 6cyl Turbo 8A)
Vehicle TypeRWD 4dr 5-passenger Sedan
Base MSRP$76,895
Options on test vehicleImola Red Paint, M Sport Package ($4,200 -- includes 19-by-8.5-inch front and 19-by-9-inch double-spoke (style 351M) alloy wheels with 245/40R19 front and 275/35R19 rear run-flat performance tires; increased top speed limiter; M steering wheel; aerodynamic kit), Driver Assistance Package ($3,700 -- includes head-up display; Active Blind Spot Detection; side and top view cameras; lane departure warning; Parking Assistant), Luxury Seating Package ($3,600 -- includes power rear window sunshade with rear manual side window shades; active head restraints for the front seats; active front seats that periodically, alternately raise and lower the left and right halves of each front seat cushion; front ventilated seats; front-passenger seat memory; four-zone automatic climate control), Ivory White Napa Leather Upholstery ($3,000), Instrument Panel With Leather Finish ($3,000), Active Roll Stabilization/Adaptive Drive ($2,500), Full LED Lights ($1,900), Integral Active Steering ($1,750), 20-Inch Double-Spoke Wheels ($1,300 -- 20-by-8.5-inch front and 20-by-9-inch rear double-spoke (style 373M) alloy wheels with 245/35R20 front and 275/30R20 rear run-flat performance tires), Ceramic Controls ($650 -- includes black-glazed finish on iDrive controller and other controls), Heated Front Seats ($500), BMW Apps ($250)
As-tested MSRP$103,245
Assembly locationDingolfing, Germany
Drivetrain
ConfigurationLongitudinal, front-engine, rear-wheel drive
Engine typeTurbocharged, direct-injected, inline-6, gasoline with auto-stop/start
Displacement (cc/cu-in)2,979/182
Block/head materialAluminum/aluminum
ValvetrainDOHC, 4 valves per cylinder, variable intake- and exhaust-valve timing, variable intake valve lift
Compression ratio (x:1)10.2
Redline, indicated (rpm)7,000
Horsepower (hp @ rpm)315 @ 5,800
Torque (lb-ft @ rpm)330 @ 1,400
Fuel typePremium unleaded (required)
Transmission typeEight-speed automatic with console shifter and steering-wheel-mounted paddles
Transmission ratios (x:1)I = 4.71, II = 3.14, III = 2.11, IV = 1.667, V = 1.28, VI = 1.00, VII = 0.84, VIII = 0.67, R = 3.29
Final-drive ratio (x:1)3.23
Differential(s)Open rear differential
Chassis
Suspension, frontIndependent double wishbones; coil springs; driver-adjustable three-mode variable dampers; self-adjusting, active stabilizer bar
Suspension, rearIndependent multilink; coil springs; driver-adjustable three-mode variable dampers; self-adjusting active stabilizer bar
Steering typeElectric-assist, speed-proportional rack-and-pinion power steering with optional active rear steer
Steering ratio (x:1)17.2
Tire make and modelDunlop SP Sport Maxx GT DSST
Tire typeSummer run-flat
Tire size, front245/35R20 95Y (treadwear rating: 240)
Tire size, rear275/30R20 97Y (treadwear rating: 240)
Wheel size, front20-by-8.5 inches
Wheel size, rear20-by-9 inches
Wheel materialForged aluminum alloy
Brakes, frontVentilated disc with single-piston sliding caliper
Brakes, rearVentilated disc with single-piston sliding caliper
Track Test Results
Acceleration, 0-30 mph (sec.)2.1
0-45 mph (sec.)3.6
0-60 mph (sec.)5.7
0-75 mph (sec.)8.6
1/4-mile (sec. @ mph)14.2 @ 95.0
0-60 with 1 foot of rollout (sec.)5.4
0-30 mph, trac ON (sec.)2.6
0-45 mph, trac ON (sec.)4.2
0-60 mph, trac ON (sec.)6.3
0-75 mph, trac ON (sec.)8.9
1/4-mile, trac ON (sec. @ mph)14.4 @ 97.3
0-60, trac ON with 1 foot of rollout (sec.)5.8
Braking, 30-0 mph (ft.)27
60-0 mph (ft.)110
Slalom, 6 x 100 ft. (mph)64.9
Slalom, 6 x 100 ft. (mph) ESC ON64.4
Skid pad, 200-ft. diameter (lateral g)0.87
Skid pad, 200-ft. diameter (lateral g) ESC ON0.86
Sound level @ idle (dB)39.6
@ Full throttle (dB)75.3
@ 70 mph cruise (dB)60.2
Engine speed @ 70 mph (rpm)1,850
Test Driver Ratings & Comments
Acceleration commentsPerhaps it's the size/mass of the Gran Coupe, but this is the first time I've felt like this otherwise potent engine wasn't up to the task. Brilliant in a 3, adequate in a 5, but it feels sluggish off the line in this car and the feeling of real power/torque arrives in the midrange. Seems to resist pedal overlap unlike previous BMWs. Dunno why. Also, I couldn't manage to get any wheelspin at all with Trac off. Not a bad performance, but not what I'd call a thrilling one, either. Upshifts click off like clockwork and darned close to 100 mph in the quarter-mile.
Braking commentsThe very definition of fade-free brakes, holding steady between 110-111 feet for five consecutive stops. Straight as an arrow and it mattered not which Drive mode was selected; same distance, just varied amounts of dive. Very good brakes.
Handling commentsSkid pad: With ESC off, I found it difficult to maintain a steady line with the engine boost surging, lazy throttle response, and the unintuitive, disconnected steering. Plenty of grip, but no poise or ability to balance it on the edge. With ESC on, it was much happier and tracked true to steering input with the system using minor throttle adjustments to correct course. Slalom: Good initial steering response, but a thoroughly uncharacteristic BMW experience thereafter. Active suspension keeps the car unnervingly flat, the steering response was not linear or anything close to intuitive, and I never felt as if I knew what would happen cone-to-cone, much less run-to-run. Every cone was its own event, requiring "Active Learning" on my part. I had a hard time not hitting cones. BMWs have historically felt like an extension of my will, but no more. So sad for this day. This is a good 8/10ths car that falls to pieces at 10/10ths.
Testing Conditions
Test date5/30/2012
Test locationCalifornia Speedway
Elevation (ft.)1,121
Temperature (F)77.3
Relative humidity (%)31.1
Barometric pressure (in. Hg)28.74
Wind (mph, direction)1.6 head/cross
Odometer (mi.)2,230
Fuel used for test91-octane gasoline
As-tested tire pressures, f/r (psi)36/41
Fuel Consumption
EPA fuel economy (mpg)20 city/30 highway/24 combined (estimated)
Edmunds observed (mpg)19.9 over 452 miles
Fuel tank capacity (U.S. gal.)18.5
Audio and Advanced Technology
Stereo descriptionAM/FM/satellite radio with HD receiver, MP3-compatible CD drive, 12 speakers
iPod/digital media compatibilityStandard auxiliary input, optional USB, optional BMW Apps provides smartphone integration
Satellite radioOptional
Bluetooth phone connectivityStandard
Navigation systemStandard
Telematics (OnStar, etc.)Standard (BMW Assist)
Smart entry/StartStandard
Parking aidsStandard sonar; optional back-up camera and automated parking system
Blind-spot detectionOptional (equipped)
Adaptive cruise controlOptional (not equipped)
Lane-departure monitoringOptional (equipped)
Night VisionOptional (not equipped)
Driver coaching displayStandard
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)4,191
Curb weight, as tested (lbs.)4,292
Weight distribution, as tested, f/r (%)50.6/49.4
Length (in.)197.2
Width (in.)74.6
Height (in.)54.8
Wheelbase (in.)116.9
Track, front (in.)63.0
Track, rear (in.)65.6
Turning circle (ft.)39.2
Legroom, front (in.)42.1
Legroom, rear (in.)35.3
Headroom, front (in.)40.6
Headroom, rear (in.)37.0
Shoulder room, front (in.)56.7
Shoulder room, rear (in.)54.6
Seating capacity5
Trunk volume (cu-ft)13.0
Warranty
Bumper-to-bumper4 years/50,000 miles
Powertrain4 years/50,000 miles
Corrosion12 years/Unlimited miles
Roadside assistance4 years/Unlimited miles
Free scheduled maintenance4 years/50,000 miles

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