Comparisons / Comparison of Audi TT Roadster (8S, facelift 2018) 45 TFSI and BMW Z4 (G29) 30i sDrive Steptronic

Comparison of Audi TT Roadster (8S, facelift 2018) 45 TFSI and BMW Z4 (G29) 30i sDrive Steptronic [S]ave

Attribute
BMW Z4 (G29) 30i sDrive Steptronic ×
Audi TT Roadster (8S, facelift 2018) 45 TFSI ×
General
MakeBMWAudi
ModelZ4TT
GenerationZ4 (G29)TT Roadster (8S, facelift 2018)
Modification30i sDrive Steptronic45 TFSI
Websitehttps://www.bmw.comhttps://www.audi.com/
Number of doors22
Number of seats22
Body typeCabrioletRoadster
Transmissionautomatic steptronic manual
Number of gears86
Production from (year)20182018
Performance
Top speed (km/h)250250
Acceleration 0-100 km/h (s)5.46.1
City consumption (l/100km)7.48.6
Extra-urban consumption (l/100km)4.95.6
Combined consumption (l/100km)66.7
CO2 emissions (g/km)137153
Emission standardEURO VI dEURO VId
Drive
DriveRear wheel driveFront wheel drive
Position of engineFront,ongitudinalFront, transversely
FuelPetrol (Gasoline)Petrol (Gasoline)
Max. power (hp)258245
Max. torque (Nm)400370
Fuel Engine
Number of cylinders44
Cylinders arrangementInlineInline
Valves per cylinder44
Engine displacement (cm³)1,9981,984
Compression ratio10.2-
Max. power @ rpm (rpm)5,0005,000
Max. torque @ rpm (rpm)1,5501,600
Cylinder bore (mm)82-
Piston stroke (mm)94.6-
Fuel systemDirect injectionDirect injection
TurbineTwin-power turboTurbocharger
Fuel tank (l)5250
Engine oil capacity (l)5.25-
Chassis
ABS++
Front wheel suspensionDouble wishboneIndependent, Spring McPherson, with stabilizer
Rear wheel suspensionMulti-link independentMulti-link independent
Steering typeSteering rackSteering rack
Power steeringElectric SteeringElectric Steering
Front brakesVentilated discsVentilated discs
Rear brakesVentilated discsDisc
Tires size
  • 225/50 R17
  • 255/45 R17
  • 225/50 R17
Turning radius (m)11-
Dimensions
Length (mm)4,3244,191
Width (mm)1,8641,832
Height (mm)1,3041,355
Wheelbase (mm)2,4702,505
Kerb weight (kg)1,4151,415
Gross weight (kg)1,7401,695
Minimum boot space (l)281-
Front track (mm)1,6091,572
Rear track (mm)1,6161,552
Ride height (mm)117-
Drag coefficient (Cd)0.29-



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