2011 BMW Z4 - Road Test Specs

2011 BMW Z4 Convertible

(3.0L 6-cyl. Twin-turbo 7-speed Automated Manual)
Vehicle
Model year2011
MakeBMW
ModelZ4 sDrive 35is
Style2 Dr Roadster (3.0-liter 6cyl )
Drivetrain
Drive typeRear-wheel drive
Engine typeFront-mounted longitudinal turbocharged inline-6
Displacement (cc/cu-in)2,979cc (182 cu-in)
Block/head materialAluminum/aluminum
ValvetrainDouble-overhead camshafts with four valves per cylinder and variable valve timing
Compression ratio (x:1)10.2:1
Redline (rpm)7,000
Horsepower (hp @ rpm)335 @ 5,900
Torque (lb-ft @ rpm)332 @ 1,500-4,500 (369 lb-ft with overboost)
Transmission typeSeven-speed dual-clutch transmission
Transmission and axle ratios (x:1)I = 4.78; II = 3.06; III = 2.15; IV = 1.68; V = 1.39; VI = 1.20; VII = 1; R = 4.45; Final Drive = 2.56
Chassis
Suspension, frontIndependent MacPherson struts, coil springs and stabilizer bar
Suspension, rearIndependent, mulilink, coil springs and stabilizer bar
Steering typeElectric power-assisted rack-and-pinion
Steering ratio (x:1)14.4:1
Tire typeSummer performance
Tire size, front225/45 R17 91V RSC
Tire size, rear255/40 R17 94V RSC
Wheel size17-by-8 inches front -- 17-by-8.5 inches rear
Wheel materialAluminum alloy
Brakes, front13.7-inch ventilated discs
Brakes, rear12.8-inch ventilated discs
Testing Conditions
Fuel used for testPremium unleaded (required)
Fuel Consumption
Fuel tank capacity (U.S. gal.)14.5
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)3,549
Weight distribution, as tested, f/r (%)49.3/50.7
Length (in.)167
Width (in.)70.5
Height (in.)50.8
Wheelbase (in.)98.3
Track, front (in.)59.5
Track, rear (in.)61.4
Turning circle (ft.)35.1
Legroom, front (in.)42.2
Headroom, front (in.)39.1
Shoulder room, front (in.)53.3
Seating capacity2
Cargo volume (cu-ft)8
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
Safety
Front airbagsStandard
Side airbagsStandard
Head airbagsStandard
Antilock brakesStandard
Traction controlStandard
Stability controlStandard

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