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  1. #1
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    Audi 4.0 TFSI acceleration figures and specs (curb weight, skidpad) from standard 2013 D4 A8L - 0-60 in 4.2, 1/4 mile in 12.5@110

    Audi simply continues to impress with their 4.0 TFSI motor. Just a couple months ago we saw how potent the S8 with the 4.0 TFSI is capable of 11's in the 1/4 mile stock with an 11.8@118.3. The A8L long wheel base with the standard 4.0 TFSI motor at "only" 420 horsepower is no slouch either. Edmunds testsed the A8L and recorded a 0-60 of 4.2 seconds (S8 does the same spring it in 3.5) and 1/4 mile of 12.5@110.

    Click here to enlarge

    That is some serious speed out of an extended wheelbase luxury sedan. Even the handling is impressive with slalom numbers at 65 mph and the skidpad at .83g. All of this is a 4,693 pound all wheel drive extended wheelbase premium luxury sedan. Excellent work Audi, simply phenomenal.

    2013 Audi A8 Sedan

    (4.0L V8 Twin-turbo AWD 8-speed Automatic)

    Vehicle
    Year Make Model 2013 Audi A8 L 4.0T quattro 4dr Sedan AWD (4.0L 8cyl Turbo 8A)
    Base MSRP $88,095
    Options on test vehicle Executive Rear Seat Comfort Package ($11,250 -- includes Valcona leather interior, front passenger seat adjustment from rear seat, fixed rear center console - four-passenger configuration, one rear relaxation seat with power footrest, rear-seat entertainment package, Audi exclusive coolbox, 10-way power front passenger seat without massage, rear-seat ventilation and massage); Bang & Olufsen Advanced Sound System ($6,300); Driver Assistance Package ($3,000 -- includes Audi adaptive cruise control with stop and go, Audi side assist, Audi lane assist, Audi pre-sense plus); Night Vision Assist ($2,300); Comfort Package ($2,000 -- includes 22-way climate-controlled comfort front seats with massage, wood decorative inlays on front seatbacks); LED Headlights ($1,600); Panorama Sunroof ($1,300); 20-Inch 10-Spoke Wheels With All-Season Tires ($1,200); Camera Assistance Package ($750 -- includes top-view camera system, high beam assistant); Front Filler Panel ($0); Preferred Equipment Credit (-$2,600).
    As-tested MSRP $115,195
    Assembly location Neckarsulm, Germany
    North American parts content (%) 1
    Drivetrain
    Configuration Longitudinal, front-engine, all-wheel drive
    Engine type Twin-turbocharged, direct-injected V8, gasoline with cylinder deactivation and auto stop-start
    Displacement (cc/cu-in) 3,991/244
    Block/head material Aluminum/aluminum
    Valvetrain DOHC, 4 valves per cylinder, variable intake + exhaust-valve timing
    Compression ratio (x:1) 10.1
    Redline, indicated (rpm) 6,000
    Fuel cutoff/rev limiter (rpm) 6,000
    Horsepower (hp @ rpm) 420 @ 5,000
    Torque (lb-ft @ rpm) 444 @ 1,500
    Fuel type Premium unleaded (required)
    Transmission type Eight-speed automatic with steering-mounted paddles and Sport/Competition modes
    Transmission ratios (x:1) I: 4.714; II: 3.143; III: 2.106; IV: 1.667; V: 1.285; VI: 1.000; VII: 0.839; VIII: 0.667; R: 3.317
    Final-drive ratio (x:1) 3.204
    Chassis
    Suspension, front Independent multilink, coil springs, driver-adjustable 3-mode variable dampers, stabilizer bar
    Suspension, rear Independent multilink, coil springs, self-adjusting 3-mode variable dampers
    Steering type Electric-assist, speed-proportional rack-and-pinion steering
    Steering ratio (x:1) 15.1
    Tire make and model Pirelli P Zero Nero All-Season
    Tire type All-season front and rear
    Tire size 265/40 R20 (104H) M+S
    Wheel size 20
    Wheel material Alloy
    Brakes, front 15-inch one-piece ventilated steel discs with four-piston sliding calipers
    Brakes, rear 13.8-inch one-piece ventilated steel discs with single-piston sliding calipers
    Track Test Results
    Acceleration, 0-30 mph (sec.) 1.7
    0-45 mph (sec.) 2.7
    0-60 mph (sec.) 4.2
    0-75 mph (sec.) 6.0
    1/4-mile (sec. @ mph) 12.5 @110
    0-60 with 1 foot of rollout (sec.) 4.0
    0-30 mph, trac ON (sec.) 2.1
    0-45 mph, trac ON (sec.) 3.2
    0-60 mph, trac ON (sec.) 4.9
    0-75 mph, trac ON (sec.) 6.8
    1/4-mile, trac ON (sec. @ mph) 13.0 @109.0
    0-60, trac ON with 1 foot of rollout (sec.) 4.5
    Braking, 30-0 mph (ft.) 30
    60-0 mph (ft.) 114
    Slalom, 6 x 100 ft. (mph) 65.0
    Slalom, 6 x 100 ft. (mph) ESC ON 63.4
    Skid pad, 200-ft. diameter (lateral g) 0.83
    Skid pad, 200-ft. diameter (lateral g) ESC ON 0.82
    Sound level @ idle (dB) 40.1
    @ Full throttle (dB) 68.4
    @ 70 mph cruise (dB) 61.8
    Engine speed @ 70 mph (rpm) 1,800
    Test Driver Ratings & Comments
    Acceleration comments This thing burns up the drag strip, despite significant lag below 3,000 rpm. Smooth rush of power, with quick upshifts in Drive. Found the "Audi quick shift" mode with transmission in Sport and a bit of power braking. Still, turbo lag below 3,000, but upshifts become incredibly quick and abrupt, gaining 0.6 second. Manual shifting is via paddle shifters. Does not hold gears to rev limiter, blips throttle on downshifts.
    Braking comments Very firm brake pedal with excellent feel. Stops were reasonably short considering how heavy the A8 L is. First stop was by far the shortest at 114 feet. Fifth stop (out of six) was the longest at 119 feet.
    Handling comments "Skid pad: Nothing to write home about here: lots of punishing understeer, even in Dynamic suspension mode. Chassis wasn't overly accepting of drop-throttle to dial it out.
    Testing Conditions
    Test date 12/4/2012
    Elevation (ft.) 1,121
    Temperature (F) 69.4
    Relative humidity (%) 55.2
    Barometric pressure (in. Hg) 29.1
    Wind (mph, direction) 0.62, tail/cross
    Odometer (mi.) 917
    Fuel used for test 91-octane gasoline
    As-tested tire pressures, f/r (psi) 38/38
    Fuel Consumption
    EPA fuel economy (mpg) 16 city/26 highway/19 combined
    Edmunds observed (mpg) 15.9
    Fuel tank capacity (U.S. gal.) 23.8
    Audio and Advanced Technology
    Stereo description 19-speaker, 1,400-watt Bang & Olufsen advanced sound system
    iPod/digital media compatibility Standard iPod via proprietary cable
    Satellite radio Standard Sirius
    Rear seat video and entertainment Optional DVD player
    Bluetooth phone connectivity Standard
    Navigation system Standard hard drive with traffic 8-inch display screen (measured diagonally)
    Smart entry/Start Standard ignition doors trunk/hatch
    Parking aids Optional parking sonar front and rear perimeter + back-up camera system
    Blind-spot detection Optional
    Adaptive cruise control Optional
    Lane-departure monitoring Optional departure warning
    Collision warning/avoidance Optional
    Night Vision Optional
    Dimensions & Capacities
    Curb weight, mfr. claim (lbs.) 4,597
    Curb weight, as tested (lbs.) 4,693
    Weight distribution, as tested, f/r (%) 55.7/44.3
    Length (in.) 207.4
    Width (in.) 76.7
    Height (in.) 57.9
    Wheelbase (in.) 122.9
    Track, front (in.) 64.7
    Track, rear (in.) 64.4
    Turning circle (ft.) 41.7
    Legroom, front (in.) 41.4
    Legroom, rear (in.) 42.9
    Headroom, front (in.) 37.2
    Headroom, rear (in.) 39.1
    Shoulder room, front (in.) 59.1
    Shoulder room, rear (in.) 57.8
    Seating capacity 4
    Trunk volume (cu-ft) 13.2
    Warranty
    Bumper-to-bumper 4 years/50,000 miles
    Powertrain 4 years/50,000 miles
    Corrosion 12 years/Unlimited miles
    Roadside assistance 4 years/Unlimited miles
    Free scheduled maintenance 12-month/5,000-mile no-charge first scheduled maintenance

    Source

  2. #2
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    6k rpm redline? Sucks
    Click here to enlarge

  3. #3
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    6k rpm redline? Sucks
    It's designed to move a fairly heavy car with good torque... results work.

    It needs to have a little lazier and more relaxed powerband for this type of market. If you want more, there is the S8.

    I mean this thing is basically equal to an E92 M3, that's impressive.

  4. #4
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    Where does the S8 redline? Do you have any dynos of the two?
    Click here to enlarge

  5. #5
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    Click here to enlarge Originally Posted by dzenno@ProTUNING Freaks Click here to enlarge
    Where does the S8 redline? Do you have any dynos of the two?
    Yes, I do: http://www.bimmerboost.com/content.p...mparison-tests

    S8 redlines at 6500.

  6. #6
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    So A8 3.0 TFSI have performance of the A8 4.2, A8 4.0 TFSI have performance of the S8 and S8 have performance of the RS8?
    4.0 TFSI is really incredible.

  7. #7
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    4.0 TFSI S4 swap?

  8. #8
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    Click here to enlarge Originally Posted by Eryk03 Click here to enlarge
    So A8 3.0 TFSI have performance of the A8 4.2, A8 4.0 TFSI have performance of the S8 and S8 have performance of the RS8?
    4.0 TFSI is really incredible.
    They still have room to do an RS8 is they want... the S8 is incredible.

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