The Comparative Analysis :
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. Audi TT RS Roadster S tronic (10 - 14)
€ 45,800
		
					
					€ 62,000
					
					
					€ 45,800
					Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
					€ 62,000
				ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive30i is  4.1 cm longer,  5.2 cm narrower and  5.7 cm lower than the Audi TT RS Roadster.
				
				BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				1291
							
							1790
							
							1951
							
						1348
							
							1842
															
							1952
							
						1790 mm
					Width
					1842 mm
				1951 mm
					Width Incl. Mirrors
					1952 mm
				1291 mm
					Height
					1348 mm
				2496
							
							4239
							
						2468
							
							4198
							
						4239 mm
					Length
					4198 mm
				2496 mm
					Wheelbase
					2468 mm
				Vehicle Weight
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				1505 kg
					Kerb Weight
					1610 kg
				1760 kg
					Gross Vehicle
Weight
					Weight
1855 kg
				
								Weight Difference:
								105 kg
									6.52 %
								
								General
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				E89
	
					Generation
					8J
				Roadster
	
					Car Body Style
					Roadster
				Super Unleaded (98 RON)
					Fuel Type
					Unleaded (95 RON)
				
Rear-wheel drive
					Drive
					Permanent all-wheel drive
						
6-speed automatic transmission
					Transmission
					7-speed dual clutch transmission
				Engine
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				Straight-six petrol engine (naturally  aspirated  engine)
	
					Engine Type
					Straight-five petrol engine with turbocharger
				BMW N52
Engine Series
VW EA855
N52-B30
Engine Code
CEPA

4
Valves
					4
6
Cylinders
					5
2996 CC
Engine Capacity
					2480 CC
254 bhp
						at 6600 rpm
					Power
					335 bhp
						at 5400 rpm
					BMW Z4 Roadster sDrive30i
						254 bhp
						335 bhp
						Audi TT RS Roadster
					310 NM
						at 2600 rpm
					Max. Torque
					450 NM
						at 1600 rpm
					BMW Z4 Roadster sDrive30i
						310 NM
						450 NM
						Audi TT RS Roadster
					Performance
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				
							
							
							155 mph
						
					Maximum Speed
					
							
							
							155 mph
						
					6.1 sec
					Acceleration 0 to 62 mph
					4.4 sec
				
									62 mph
									62
mph
mph
85 m
							0.000 sec
								
								BMW Z4 Roadster sDrive30i
									62 mph
									62
mph
mph
61 m
							0.000 sec
								
								Audi TT RS Roadster
▶ REPLAY
						5.93 kg/bhp
					Weight-to-Power Ratio
					4.81 kg/bhp
						
				BMW Z4 Roadster sDrive30i
						5.93 kg/bhp
						4.81 kg/bhp
						Audi TT RS Roadster
					Fuel Economy / Emissions
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				Fuel Economy
	
				
						34 mpg
						
					
					combined
					
						33 mpg
						
					
				BMW Z4 Roadster sDrive30i
						34 mpg
						33 mpg
						Audi TT RS Roadster
					24 mpg
					city
					23 mpg
						
				No data
					motorway
					No data
						
				55 L
					Fuel Tank Capacity
					60 L
						412 mi
					Range
					434 mi
				BMW Z4 Roadster sDrive30i
						412 mi
						434 mi
						Audi TT RS Roadster
					Environmental Impact
	
				157.2 kWh
					Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
					per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
162.9 kWh
						
				BMW Z4 Roadster sDrive30i
						157.2 kWh
						162.9 kWh
						Audi TT RS Roadster
					Euro 5
					Emission Standard
					Euro 5
						
				195 g/km (NEFZ)
					CO2 Emissions
					199 g/km (NEFZ)
						
				Practical Convenience
BMW Z4 Roadster sDrive30i
					Audi TT RS Roadster
				2
					Doors
					2
				2
					No. of Seats
					2
				255 kg
					Maximum Payload
					245 kg
				310 L
					Boot Capacity
					250 L
				





No data
					Boot Capacity (Seats Down)
					No data
				


















