Road Tests Real world tests of Boxster S vs 911 Carrera S

Top Gear track time

Boxster S
1:28.70
911 Carrera S
1:26.20

Nurburgring time

Boxster S
8:18.0
911 Carrera S
7:37.90

Differences What are the advantages of each

Side view of Porsche Boxster S

Reasons to consider the
Porsche Boxster S

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Lighter curb weight 2,959 lb vs 3,230 lb Around 10% lighter curb weight; less inertia to overcome when accelerating
Side view of Porsche 911 Carrera S

Reasons to consider the
Porsche 911 Carrera S

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Way more expensive sticker price $111k vs $54k More than 2x more expensive harder to own
More powerful engine 394 HP @ 7,400 RPM vs 276 HP Around 45% stronger engine
Great lap time on the Top Gear track 1:26.20 vs 1:28.70 Around 5% great lap time on the Top Gear track
More torque 324 ft-lb @ 5,600 RPM vs 237 ft-lb @ 6,000 RPM More than 35% stronger engine from a stand-still; more acceleration power
Better power-to-weight ratio 8.2 lb/hp vs 10.72 lb/hp Around 25% better power-to-weight ratio
Higher redline 7,800 RPM vs 7,200 RPM Around 10% more revs
Bigger engine 3,800 cc vs 3,200 cc Around 20% bigger engine

Specifications Full list of technical specs

general

Boxster S  vs
911 Carrera S 
Brand Porsche Porsche
Price 53,895 110,800
Year 2005 2012

power & handling

Power-to-weight ratio 10.72 lb/hp 8.2 lb/hp
Maximum hp 276 HP 394 HP @ 7,400 RPM
Maximum torque 237 ft-lb @ 6,000 RPM 324 ft-lb @ 5,600 RPM
Max RPM 7,200 RPM 7,800 RPM
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 432/? 165 508/? 216
Rear wheels 432/? 203 508/? 279

physical dimensions

Curb weight 2,959 lb 3,230 lb
Width 70.9 in 71.2 in
Height 51 in 51.1 in
Length 170.4 in 176.8 in
Front track width 58.7 in 60.6 in
Wheelbase 96.5 in 96.5 in

road tests

Boxster S  vs
911 Carrera S 
Top gear time 1:28.70 1:26.20
20.6km nurburgring time 8:18.0 7:37.90

transmission

Drivetrain RWD RWD
Gearing Traditional Traditional
# of gears 6 7

engine

Displacement 3,200 cc 3,800 cc
Air compressor None None
Fuels
Gas
Bore/stroke 3.37 in / 3.07 in 4.02 in / 3.05 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4
Porsche Boxster S
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Porsche 911 Carrera S
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