Road Tests Real world tests of 911 GT3 vs Carrera S

Top Gear track time

Nurburgring time

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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Great lap time on the Top Gear track 1:23.10 vs 1:26.20 Around 5% great lap time on the Top Gear track
Slightly more powerful engine 429 HP @ 7,600 RPM vs 394 HP @ 7,400 RPM Around 10% stronger engine
Higher redline 8,500 RPM vs 7,800 RPM Around 10% more revs
Better power-to-weight ratio 7.06 lb/hp vs 8.2 lb/hp Around 15% better power-to-weight ratio
Side view of Porsche 911 Carrera S

Reasons to consider the
Porsche 911 Carrera S

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TwinRev is not aware of any important advantages of the 911 Carrera S vs the 911 GT3 (997 Mk2).

Specifications Full list of technical specs

general

911 GT3  vs
Carrera S 
Brand Porsche Porsche
Price 112,200 110,800
Type of car Production car Production car
Year 2009 2012

power & handling

Power-to-weight ratio 7.06 lb/hp 8.2 lb/hp
Maximum hp 429 HP @ 7,600 RPM 394 HP @ 7,400 RPM
Maximum torque 318 ft-lb @ 6,250 RPM 324 ft-lb @ 5,600 RPM
Max RPM 8,500 RPM 7,800 RPM
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes 14.96 in Disc Disc
Rear brakes 13.78 in Disc Disc
Front wheels 483/? 216 508/? 216
Rear wheels 483/? 305 508/? 279

physical dimensions

Curb weight 3,027 lb 3,230 lb
Width 2.8 in 71.2 in
Height 2 in 51.1 in
Length 6.9 in 176.8 in
Front track width 2.3 in 60.6 in
Wheelbase 3.6 in 96.5 in

road tests

911 GT3  vs
Carrera S 
Top gear time 1:23.10 1:26.20
20.6km nurburgring time 7:40.0 7:37.90

transmission

Drivetrain RWD w/PSM RWD
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

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 4.02 in / 3.05 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4
Porsche 911 GT3 (997 Mk2)
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Porsche 911 Carrera S
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