Road Tests Real world tests of Solstice GXP vs Camaro ZL1

0-60mph

Top speed

0-100mph

Differences What are the advantages of each

Front view of Pontiac Solstice GXP

Reasons to consider the
Pontiac Solstice GXP

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Significantly lighter curb weight 2,941 lb vs 4,415 lb Around 35% lighter curb weight; less inertia to overcome when accelerating
Front view of Chevrolet Camaro ZL1

Reasons to consider the
Chevrolet Camaro ZL1 Convertible

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Much more powerful engine 579 HP @ 6,100 RPM vs 260 HP @ 5,300 RPM Around 2.2x stronger engine
Much more torque 558 ft-lb @ 3,800 RPM vs 261 ft-lb @ 3,300 RPM Around 2.2x stronger engine from a stand-still; more acceleration power
Faster to 60mph 4.2 s vs 5.5 s Around 25% faster to 60mph
Much bigger engine 6,200 cc vs 2,000 cc More than 3x bigger engine
Way more expensive sticker price $60k vs $19k Around 3.2x more expensive harder to own
Faster top speed 155 mph vs 141 mph 14 more mph; leaves lesser cars in the dust on the straights
Better power-to-weight ratio 7.63 lb/hp vs 11.31 lb/hp Around 35% better power-to-weight ratio

Specifications Full list of technical specs

general

Solstice GXP  vs
Camaro ZL1 
Brand Pontiac Chevrolet
Price 19,420 60,445
Type of car Production car Production car
Year 2006 2012

power & handling

Power-to-weight ratio 11.31 lb/hp 7.63 lb/hp
Maximum hp 260 HP @ 5,300 RPM 579 HP @ 6,100 RPM
Maximum torque 261 ft-lb @ 3,300 RPM 558 ft-lb @ 3,800 RPM
Max RPM 6,300 RPM 6,200 RPM
Engine placement Front Front
Steering system Rack and pinion Rack and pinion

engine

Displacement 2,000 cc 6,200 cc
Fuels
Gas
Compression ratio 9.2:1 9.1:1
Bore/stroke 3.39 in / 3.39 in 4.06 in / 3.62 in
Valves per cylinder 4 2

physical dimensions

Curb weight 2,941 lb 4,415 lb
Width 71.3 in 75.5 in
Height 50.1 in 54.2 in
Length 157.2 in 190.4 in
Front track width 60.5 in 63.7 in
Wheelbase 95.1 in 112.3 in

road tests

Solstice GXP  vs
Camaro ZL1 
Top speed 141 mph 155 mph
0-60mph 5.5 s 4.2 s
0-100mph 13.1 s 8.7 s

transmission

Drivetrain RWD RWD
Shift system Manual Automatic
Gearing Traditional Traditional
# of gears 5 6
Gear ratios
1: 3.75:1
2: 2.26:1
3: 1.37:1
4: 1:1
5: 0.73:1
6: 0.63:1
Axle ratio 3.73:1 3.73:1

suspension, wheels & brakes

Front brakes Disc Brembo Disc
Rear brakes Disc Disc
Front wheels 457/? 216 508/? 203
Rear wheels 457/? 203 508/? 229
Pontiac Solstice GXP
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Chevrolet Camaro ZL1 Convertible
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