Road Tests Real world tests of 911 GT3 vs Carrera 4S

0-60mph

Top speed

Differences What are the advantages of each

Side view of Porsche 911 GT3

Reasons to consider the
Porsche 911 GT3 (997 Mk2)

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Faster to 60mph 3.6 s vs 4.5 s 20% faster to 60mph
Faster top speed 195 mph vs 183 mph 12 more mph; leaves lesser cars in the dust on the straights
Higher redline 8,500 RPM vs 7,800 RPM Around 10% more revs
Better power-to-weight ratio 7.06 lb/hp vs 8.35 lb/hp More than 15% better power-to-weight ratio
Lighter curb weight 3,027 lb vs 3,340 lb Around 10% lighter curb weight; less inertia to overcome when accelerating
Front view of Porsche 911 Carrera 4S

Reasons to consider the
Porsche 911 Carrera 4S

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Slightly more expensive sticker price $118k vs $112k More than 5% more expensive harder to own

Specifications Full list of technical specs

general

911 GT3  vs
Carrera 4S 
Brand Porsche Porsche
Price 112,200 117,530
Type of car Production car Production car
Year 2009 2012

power & handling

Power-to-weight ratio 7.06 lb/hp 8.35 lb/hp
Maximum hp 429 HP @ 7,600 RPM 400 HP @ 7,400 RPM
Maximum torque 318 ft-lb @ 6,250 RPM 325 ft-lb @ 5,600 RPM
Max RPM 8,500 RPM 7,800 RPM
Engine placement Rear Mid
Steering system Rack and pinion rack&pinionPAS

suspension, wheels & brakes

Front brakes 14.96 in Disc 13.39 in Disc
Rear brakes 13.78 in Disc 12.99 in Disc
Front wheels 483/? 216 483/? 216
Rear wheels 483/? 305 483/? 279

physical dimensions

Curb weight 3,027 lb 3,340 lb
Width 2.8 in 72.9 in
Height 2 in 50.9 in
Length 6.9 in 176.8 in
Front track width 2.3 in 60.3 in
Wheelbase 3.6 in 96.5 in

road tests

911 GT3  vs
Carrera 4S 
Top speed 195 mph 183 mph
0-60mph 3.6 s 4.5 s

transmission

Drivetrain RWD w/PSM AWD
Gearing Traditional Traditional
# of gears 6 7
Gear ratios
1: 3.82:1
2: 2.26:1
3: 1.64:1
4: 1.29:1
5: 1.06:1
6: 0.92:1
7: 0.71:1
Axle ratio 3.44:1 3.44:1

engine

Displacement 3,800 cc 3,800 cc
Cylinders I6 Flat 6
Air compressor None None
Fuels
Gas
Compression ratio 12:1 12.5:1
Bore/stroke 4 in / 3 in 4.01 in / 3.05 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4
Porsche 911 GT3 (997 Mk2)
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Porsche 911 Carrera 4S
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