Technical Data – Audi A3 1.
8 TFSI
Status: May 2008
Model Audi A3 1.8 TFSI
Engine / electronics
Engine type Inline four-cylinder spark-ignition engine with gasoline direct injection,
exhaust turbocharger with intercooler, four valves per cylinder, double overhead
camshafts (DOHC)
Valve gear / number of valves per cylinder Chain drive/continuous intake camshaft adjustment / 4
Displacement in cc / bore x stroke in mm / compression 1798 / 82.5 x 84.1 / 9.6
Max. power output in PS / at rpm 160 / 5000 - 6200
Max. torque in Nm (lb-ft) / at rpm 250 (184.39) / 1500 - 4200
Mixture preparation Fully electronic engine management with drive-by-wire throttle control, direct
injection, adaptive lambda control, mapped ignition with solid-state high-voltage
distribution, cylinder-selective adaptive knock control
Exhaust emission control Close-coupled ceramic primary catalytic converter and ceramic underfloor
catalytic conv. with catalyst heating function via homogeneous split dual injection
Emissions class EU 4
Alternator in A / battery in A/Ah 140 / 280 / 60
Drivetrain / transmission
Drive type Front-wheel drive with EDL
Clutch Hydraulically operated single-plate dry Two electrohydraulically operated dry
clutch clutches
Gearbox type 6-speed manual transmission, 7-speed S tronic dual-clutch trans. with
synchromesh on all gears electrohydraulic control
Gear ratio in 1st gear / 2nd gear 3.778 / 2.063 3.765 / 2.273
Gear ratio in 3rd gear / 4th gear 1.455 / 1.107 1.531 / 1.122
Gear ratio in 5th gear / 6th gear 0.875 / 0.725 1.176 / 0.951
Gear ratio in reverse gear 3.600 0.795 / 3.811
Final drive ratio 3.647 -
Final drive ratio in 1st – 4th gear / 5th – 7th gear / rev. gear - 4.438 / 3.227 / 4.176
Suspension / steering / brakes
Front suspension McPherson struts with lower wishbones, tubular anti-roll bar, track-stabilizing
steering roll radius, aluminum subframe
Rear suspension Four-link rear suspension with separate spring/shock absorber arrangement,
tubular anti-roll bar, subframe
Steering / steering ratio / turning circle in meters (D102) (feet) Electromechanical steering with speed-dependent power assistance / 16.2 /
approx. 10.7 (35.10)
Brake system, front/rear Dual-circuit brake system with diagonal split. ESP with electronic brake-force
distribution EBD, ABS, electronic differential lock EDL; brake booster with dual-
rate function, hydraulic brake assist;
front: ventilated disks, rear: disks;
Performance / consumption / acoustics
Top speed in mph 138 138
Acceleration, 0-62mph in sec 7.6 7.5
Fuel type premium unleaded, 95 RON
Fuel consumption: urban / extra urban / combined, mpg 31.0 / 53.3 / 42.2 31.7 / 53.3 / 42.8
CO2 mass emission, g/km 159 153
Idling / drive-past exterior noise level in dB (A) 89 / 74 89 / 73
Servicing / warranty
LongLifeService after max. miles Oil change 9,000-19,000 miles, service inspection 19,000-mile increments 1)
Vehicle / paint / rust perforation guarantee 3 years or 60,000 miles / 3 years / 12 years
Insurance classification in Germany 15 / 18 / 18
Weights / loads
Unladen weight in kg / gross weight limit in kg (pounds) 1280 / 1840 (2821.92 / 4056.51) 1295 / 1855 (2854.99 / 4089.57)
Axle load limit at front / rear in kg (pounds) 1020 / 945 (2248.72 / 2083.37) 1040 / 945 (2292.81 / 2083.37)
Trailer load limit on 8% / 12% gradient, braked/unbraked in 1700 / 1400 / 670 (3747.86 / 3086.47 / 1700 / 1400 / 680 (3747.86 / 3086.47 /
kg (pounds) 1477.10) 1499.14)
Roof load limit in kg / permissible nose weight in kg (pounds) 75 / 75 (165.35 / 165.35)
Capacities
Cooling system capacity (including heating) in liters (gallons) 8.6 (2.27)
Engine oil capacity (including filter) in liters (quarts) 4.6 (4.86)
Fuel tank capacity in liters (gallons) 55 (14.53)
Body / dimensions
Body type Unitary, steel
Number of doors / seats 3 doors with additional side protection / 5 seats
Drag coefficient Cd / frontal area A in m2 (square feet) 0.33 / 2.13 (22.93)
Length (L103) / width excluding mirrors (W103) / height 4238 / 1765 / 1421 (13.90 / 5.79 / 4.66)
(H100) in mm (feet)
Wheelbase (L101) / track at fr./rear (W101/W102), mm (feet) 2578 / 1534 / 1507 (8.46 / 5.03 / 4.94)
Height of loading lip in mm (H195) (feet) 685 (2.25)
Luggage capacity in liters (cubic feet), according to VDA 350 / 1080 (12.36 / 38.14)
block method (V211)
1) depends on driving style and operating conditions
