2010 Porsche
911 Carrera
vs. 2011 Mazda
Miata MX-5 Grand Touring (Hard Top)

2010 Porsche 911 Carrera

9.9

starting from

$78,750

Reasons to buy the Porsche 911 Carrera

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High top speed
180 mph
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Average power
345 HP @ 6,500 RPM
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Good braking distance from 60mph
104 ft
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Zippy 1/4 mile time
13.0 s @ 108 mph
2011 Mazda Miata MX-5 Grand Touring (Hard Top)

8.8

starting from

$30,445
"Grand Touring models come with a six-speed manual transmission."
edmunds.com | talking about the Miata MX-5's transmission
"Grand Touring includes seven-speaker Bose audio system."
edmunds.com | talking about the Miata MX-5's stereo

Reasons to buy the Mazda Miata MX-5 Grand Touring (Hard Top)

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Very inexpensive
$30,445
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Tighter turning radius
30.8 ft
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Average highway fuel efficiency
28 mpg
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Good city fuel efficiency
21 mpg
Road Tests 10.0 vs 7.6
2010 Porsche 911 Carrera Winner: 911 Carrera
[details]
  • The 911 Carrera can go more than 30% faster than the Miata MX-5 Grand Touring (Hard Top), 180 mph vs 134 mph
  • The 911 Carrera needs more than 10% less space to stop from 60mph, 104 ft vs 122 ft
  • Around 20% faster in the 1/4 mile, 13.0 s @ 108 mph vs 15.4 s @ 91 mph
Luxury Features 10.0 vs 8.0
2010 Porsche 911 Carrera Winner: 911 Carrera
[details]
  • Almost the same
  • Almost the same
Performance 10.0 vs 9.6
2010 Porsche 911 Carrera Winner: 911 Carrera
[details]
  • More than 2x more powerful, 345 HP @ 6,500 RPM vs 158 HP @ 6,700 RPM
  • The 911 Carrera 's power-to-weight ratio is around 50% better, providing a sportier ride, 9.0 lb/hp vs 16.6 lb/hp
Cost 9.6 vs 10.0
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Winner: Miata MX-5 Grand Touring (Hard Top)
[details]
  • The best price we've seen is $48,305 cheaper (2.6x less), $30,445 vs $78,750
  • Gets around 20% more miles per gallon in the city, 21 mpg vs 18 mpg
Crash Test Ratings - vs -
Missing information
[details]
Practicality - vs -
Missing information
[details]
Safety Features 10.0 vs -
Missing information
[details]
Entertainment System 10.0 vs -
Missing information
[details]
Overall 9.9 vs 8.8

Road Tests

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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0-60 mph 4.8 seconds vs 7.0 seconds The 911 Carrera 's 0-60 time is average for this class of vehicle, but the Miata MX-5 Grand Touring (Hard Top) is sluggish
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Braking distance at 60mph 104 ft vs 122 ft The 911 Carrera has above average braking ability for this class of vehicle, but the Miata MX-5 Grand Touring (Hard Top) is just OK
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1/4 mile 13.0 s @ 108 mph vs 15.4 s @ 91 mph The 911 Carrera 's 1/4 mile time is good, but the Miata MX-5 Grand Touring (Hard Top)'s is below average for this class of vehicle
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Lateral acceleration 0.92 g vs 0.86 g The 911 Carrera has OK cornering abilities compared to the below average Miata MX-5 Grand Touring (Hard Top)
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Top speed 180 mph vs 134 mph The 911 Carrera can hit high speeds, but the Miata MX-5 Grand Touring (Hard Top) is below average for this class of vehicle

Luxury Features

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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moon roof Standard vs Not Available Enjoy additional natural light with the 911 Carrera 's standard sun roof
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power seats Optional vs Not Available Power seats are available as an option on the 911 Carrera ; not at all on the Miata MX-5 Grand Touring (Hard Top)
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keyless entry Standard vs Standard Both have keyless entry
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leather Standard vs Standard Both come standard with leather interiors

Performance

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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Horsepower 345 HP @ 6,500 RPM vs 158 HP @ 6,700 RPM The 911 Carrera is of average power, but the Miata MX-5 Grand Touring (Hard Top) is underpowered
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Number of gears 6 vs 6 Average number of gears
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Transmission Manual transmission vs Automatic transmission The Miata MX-5 Grand Touring (Hard Top)'s automatic transmission is convenient for stop-and-go traffic
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paddle shifters Not Available vs Unknown
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Air compressor None vs None Neither has an air compressor to maximize power output
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Power-to-weight ratio 9.0 lb/hp vs 16.6 lb/hp The 911 Carrera is a sporty car, but the Miata MX-5 Grand Touring (Hard Top) is sluggish
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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 35.8 ft vs 30.8 ft The Miata MX-5 Grand Touring (Hard Top) can make tight turns, and the 911 Carrera is comparable to most other vehicles

Cost

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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MSRP $78,750 vs $30,445 The Miata MX-5 Grand Touring (Hard Top) has a great price and the 911 Carrera is pretty reasonable
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In-city gas mileage 18 mpg vs 21 mpg The Miata MX-5 Grand Touring (Hard Top) has great city mileage and the 911 Carrera is pretty reasonable
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basic warranty miles 50,000 mile vs 36,000 mile The 911 Carrera 's %s warranty covers lots of miles, but the Miata MX-5 Grand Touring (Hard Top)'s doesn't cover many
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basic warranty years 4 year vs 3 year The 911 Carrera 's basic warranty is long lasting, but the Miata MX-5 Grand Touring (Hard Top)'s is very short

Crash Test Ratings

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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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

Practicality

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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Passengers 4 vs 2 The 911 Carrera has the usual number of seats, while the Miata MX-5 Grand Touring (Hard Top) has very few
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Highway driving range 422 miles vs 356 miles The 911 Carrera has OK highway range, but the Miata MX-5 Grand Touring (Hard Top) is very limited
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Cargo space 4.4 ft3 vs 5.3 ft3 The Miata MX-5 Grand Touring (Hard Top) has OK cargo room, while the 911 Carrera has very little
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front seats Unknown vs 49.1 ft3
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folding rear seats Standard vs Not Available The 911 Carrera 's standard folding rear seat will get you extra cargo room; not available on the Miata MX-5 Grand Touring (Hard Top)
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power outlets Not Available vs Standard The Miata MX-5 Grand Touring (Hard Top)'s standard power outlets will keep your gadgets charged; not available on the 911 Carrera
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roof rails Optional vs Not Available Need to carry bulky cargo? Get the roof rails upgrade on the 911 Carrera
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navigation system Optional vs Not Available The 911 Carrera offers an optional navigation system; not available on the Miata MX-5 Grand Touring (Hard Top)
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Cupholders 2 vs Unknown
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front air conditioning Standard vs Standard A/C for hot summer days comes standard

Safety Features

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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antilock brakes Standard vs Standard Both come standard with ABS brakes
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Stability control system Yes vs Unknown
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Airbags 4 vs 3 The 911 Carrera has an OK number of airbags while the Miata MX-5 Grand Touring (Hard Top) has very few (missing Head / Curtain)
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Rear brakes Disc vs Disc Both have the usual brakes for this class of vehicle
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child door locks Not Available vs Not Available
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Roadside assistance system None vs None

Entertainment System

Porsche
911 Carrera
2010 Porsche 911 Carrera
2011 Mazda Miata MX-5 Grand Touring (Hard Top) Mazda
Miata MX-5 Grand Touring (Hard Top)
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Number of speakers 9 vs Unknown
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Has speed sensitive volume No vs Unknown
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CD player Standard vs Standard CD player comes standard
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premium radio Optional vs Standard Have your pick of music from around the world with the Miata MX-5 Grand Touring (Hard Top)'s satellite radio; in the 911 Carrera , too, but it'll cost
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Has auxiliary audio input No vs Unknown
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Has subwoofer No vs Unknown
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entertainment system Standard vs Not Available If you want to keep the kids occupied with an entertainment system, it comes standard in the 911 Carrera ; no amount of money can buy it on the Miata MX-5 Grand Touring (Hard Top)

Other Vehicles to Consider

2010 Porsche 911 Carrera 4S 2010 Porsche 911 Turbo 911 Carrera 4S vs 911 Turbo
2010 Porsche 911 Carrera 4S 2011 Porsche Panamera 4S 911 Carrera 4S vs Panamera 4S
2010 Porsche 911 Carrera 4S 2011 Nissan 370Z Touring 911 Carrera 4S vs 370Z Touring
2010 Porsche 911 Carrera 4S 2011 Maserati GranTurismo 911 Carrera 4S vs GranTurismo
2010 Porsche 911 Carrera 4S 2011 Audi TT 911 Carrera 4S vs TT
2011 Mazda Miata MX-5 Grand Touring (Hard Top) 2011 Nissan 370Z Touring Miata MX-5 Grand Touring (Hard Top) vs 370Z Touring
2011 Mazda Miata MX-5 Grand Touring (Hard Top) 2011 Audi TT Miata MX-5 Grand Touring (Hard Top) vs TT
2011 Mazda Miata MX-5 Grand Touring (Hard Top) 2011 Mercedes-Benz SLK350 Miata MX-5 Grand Touring (Hard Top) vs SLK350
2011 Mazda Miata MX-5 Grand Touring (Hard Top) 2012 Ford Mustang GT Miata MX-5 Grand Touring (Hard Top) vs Mustang GT
2011 Mazda Miata MX-5 Grand Touring (Hard Top) 2011 Mazda RX-8 Sport Miata MX-5 Grand Touring (Hard Top) vs RX-8 Sport

Comments Which car would you recommend, and why?

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