2011 BMW
Z4 sDrive30i
vs. 2011 Mercedes-Benz
SLK300

2011 BMW Z4 sDrive30i

10.0

starting from

$48,325
"The interior environment is typical BMW, a bit stark but crafted from quality soft-touch materials."
autos.msn.com | talking about the Z4's build-quality
"Handles like a dream"
autos.msn.com | talking about the Z4's handling

Reasons to buy the BMW Z4 sDrive30i

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Average 0-60 time
5.6 seconds
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Power seats
Optional
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Passenger power seats
Optional
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Average power
255 HP @ 6,600 RPM
2011 Mercedes-Benz SLK300

9.8

starting from

$48,525

Reasons to buy the Mercedes-Benz SLK300

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Good range on the highway
481 miles
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Leather
Standard
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Average range in the city
315 miles
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Comparable turning radius
34.5 ft
Luxury Features 9.2 vs 10.0
2011 BMW Z4 sDrive30i Winner: Z4 sDrive30i
[details]
  • Power seats are available as an option on the Z4 sDrive30i; not at all on the SLK300
Performance 9.7 vs 10.0
2011 BMW Z4 sDrive30i Winner: Z4 sDrive30i
[details]
  • The Z4 sDrive30i's power-to-weight ratio is more than 10% better, providing a sportier ride, 12.7 lb/hp vs 14.2 lb/hp
  • More than 10% more powerful, 255 HP @ 6,600 RPM vs 228 HP @ 6,000 RPM
Practicality 10.0 vs 9.8
2011 Mercedes-Benz SLK300 Winner: SLK300
[details]
  • A single tank lasts around 20% longer, 481 miles vs 406 miles
  • Room for more than 20% more stuff, 9.8 ft3 vs 8.0 ft3
Cost 10.0 vs 10.0
Too close to call
[details]
  • Fantastic basic warranty
  • Fantastically long-lasting basic warranty
  • Inexpensive
Safety Features 10.0 vs 10.0
Too close to call
[details]
  • Both have good brakes for high-performance use
  • Both have electronic stability control
  • Both have good airbag coverage
Crash Test Ratings - vs -
Missing information
[details]
Road Tests - vs -
Missing information
[details]
Entertainment System 10.0 vs -
Missing information
[details]
  • Both can be upgraded to include an entertainment system
  • CD player comes standard
  • Neither offers speed-sensitive volume
Overall 9.8 vs 10.0

Luxury Features

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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moon roof Not Available vs Not Available Neither offers a sun roof
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power seats Not Available vs Optional Power seats are available as an option on the Z4 sDrive30i; not at all on the SLK300
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keyless entry Standard vs Standard Both have keyless entry
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leather Standard vs Optional Leather-appointed interiors are available on both; but it comes standard with the SLK300

Performance

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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Horsepower 228 HP @ 6,000 RPM vs 255 HP @ 6,600 RPM The Z4 sDrive30i is of average power, but the SLK300 is underpowered
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Number of gears 6 vs 6 Average number of gears
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Transmission Manual transmission vs Manual transmission Both offer a manual transmission, unlike most in this class
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paddle shifters Not Available vs Not Available Neither offers paddle shifters
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Air compressor None vs None Neither has an air compressor for increased power output
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Power-to-weight ratio 14.2 lb/hp vs 12.7 lb/hp The Z4 sDrive30i has OK performance while the SLK300 gives sluggish performance
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Drivetrain type rear-wheel drive vs rear-wheel drive Both have the usual drivetrain for this class of vehicle
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Curb-to-curb turning radius 34.5 ft vs 35.1 ft The SLK300 is comparable to most other vehicles for turning, but the Z4 sDrive30i is quite bad

Practicality

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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Passengers 2 vs 2 Average number of seats
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Highway driving range 481 miles vs 406 miles The SLK300 has good highway range and the Z4 sDrive30i is reasonable
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Cargo space 9.8 ft3 vs 8.0 ft3 Both have OK cargo room
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front seats 48.7 ft3 vs 50.9 ft3 Both average size front seats
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folding rear seats Not Available vs Not Available Neither offers a folding rear seat
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power outlets Not Available vs Not Available Neither offers power outlets
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roof rails Not Available vs Not Available Neither offers roof rails
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navigation system Optional vs Optional Both offer an upgrade to a navigation system
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Cupholders 2 vs 3 OK number of cupholders
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front air conditioning Standard vs Standard A/C for hot summer days comes standard

Cost

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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MSRP $48,525 vs $48,325 Inexpensive
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In-city gas mileage 17 mpg vs 18 mpg Both get OK mileage in the city
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basic warranty miles 50,000 mile vs 50,000 mile Fantastic basic warranty
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basic warranty years 4 year vs 4 year Fantastically long-lasting basic warranty

Safety Features

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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antilock brakes Standard vs Standard Both come standard with ABS brakes
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Stability control system Yes vs Yes Both have electronic stability control
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Airbags 4 vs 4 Both have good airbag coverage
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Rear brakes Disc vs Disc Both have good brakes for high-performance use
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child door locks Not Available vs Not Available
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Roadside assistance system mbrace vs BMW Assist

Crash Test Ratings

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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Rollover resistance Unknown vs Unknown
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Front driver crash test Unknown vs Unknown
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Driver side crash test Unknown vs Unknown

Road Tests

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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0-60 mph 6.1 seconds vs 5.6 seconds Neither car's 0-60 time is remarkable
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Braking distance at 60mph Unknown vs Unknown
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1/4 mile Unknown vs Unknown
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Lateral acceleration Unknown vs Unknown
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Top speed 155 mph vs 155 mph Both vehicles' top speed is just average

Entertainment System

Mercedes-Benz
SLK300
2011 Mercedes-Benz SLK300
2011 BMW Z4 sDrive30i BMW
Z4 sDrive30i
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Number of speakers 8 vs Unknown
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Has speed sensitive volume No vs No Neither offers speed-sensitive volume
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CD player Standard vs Standard CD player comes standard
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premium radio Optional vs Optional Both can be upgraded to include satellite radio
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Has auxiliary audio input Yes vs Yes Both have an audio-in jack so you can plug in your own MP3 player to the stereo
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Has subwoofer No vs No Neither has a subwoofer; audio won't have that deep thumping bass sound
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entertainment system Optional vs Optional Both can be upgraded to include an entertainment system

Other Vehicles to Consider

2011 BMW Z4 sDrive30i 2011 Nissan 370Z Touring Z4 sDrive30i vs 370Z Touring
2011 BMW Z4 sDrive35is 2011 BMW M3 Z4 sDrive35is vs M3
2011 BMW Z4 sDrive35is 2012 Ford Mustang Boss 302 Z4 sDrive35is vs Mustang Boss 302
2011 BMW Z4 sDrive35is 2011 Chevrolet Corvette Z4 sDrive35is vs Corvette
2011 BMW Z4 sDrive35is 2011 Mazda Miata MX-5 Grand Touring (Hard Top) Z4 sDrive35is vs Miata MX-5 Grand Touring (Hard Top)
2011 Mercedes-Benz SLK350 2011 Mazda Miata MX-5 Grand Touring (Hard Top) SLK350 vs Miata MX-5 Grand Touring (Hard Top)
2011 Mercedes-Benz SLK350 2011 BMW 328i SLK350 vs 328i
2011 Mercedes-Benz SLK350 2011 Nissan 370Z SLK350 vs 370Z
2011 Mercedes-Benz SLK350 2011 Porsche Boxster SLK350 vs Boxster
2011 Mercedes-Benz SLK350 2011 Chevrolet Corvette ZR1 SLK350 vs Corvette ZR1

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