Road Tests Real world tests of SL 65 AMG vs GranTurismo MC Stradale

0-60mph

Top speed

SL550
155 mph

1/4 mile

Differences What are the advantages of each

Side view of Mercedes-Benz SL 65 AMG

Reasons to consider the
Mercedes-Benz SL550

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More torque 590 ft-lb @ 2,000 RPM vs 377 ft-lb @ 4,750 RPM More than 55% stronger engine from a stand-still; more acceleration power
Lighter curb weight 3,583 lb vs 4,081 lb More than 10% lighter curb weight; less inertia to overcome when accelerating
Bigger engine 5,461 cc vs 4,700 cc More than 15% bigger engine
Faster to 200kph 11.8 s vs 15.3 s Around 25% faster to 200kph
Side view of Maserati GranTurismo MC Stradale

Reasons to consider the
Maserati GranTurismo MC Stradale

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Much faster to 60mph 4.6 s vs 9.95 s 2.2x faster to 60mph
Much faster in the quarter mile 12.6 s vs 17.3 s More than 25% faster at the drag strip
Faster top speed 189 mph vs 155 mph 34 more mph; leaves lesser cars in the dust on the straights

Specifications Full list of technical specs

general

SL 65 AMG  vs
GranTurismo MC Stradale 
Brand Mercedes-Benz Maserati
Type of car Production car Production car
Year 2014 2011

power & handling

Power-to-weight ratio 8.63 lb/hp 9.19 lb/hp
Maximum hp 415 HP @ 6,800 RPM 444 HP
Maximum torque 590 ft-lb @ 2,000 RPM 377 ft-lb @ 4,750 RPM
Engine placement Front Front
Steering system Unknown Rack and pinion

engine

Displacement 5,461 cc 4,700 cc
Cylinders V8 V8
Air compressor None None
Fuels
Gas
Bore/stroke 3.86 in / 3.56 in 3.7 in / 3.3 in
Valvetrain DOHC DOHC
Valves per cylinder 3 4

road tests

SL 65 AMG  vs
GranTurismo MC Stradale 
Top speed 155 mph 189 mph
1/4 mile 17.3 s 12.6 s
0-60mph 9.95 s 4.6 s
0-200kph 11.8 s 15.3 s

transmission

Drivetrain 2WD RWD
Shift system Automatic Automatic
Gearing Traditional Traditional
# of gears 7 6

suspension, wheels & brakes

Front brakes 15.39 in Ventilated Disc Disc
Rear brakes 14.21 in Ventilated Disc Disc

physical dimensions

Curb weight 3,583 lb 4,081 lb
Length 163.2 in 192.2 in
Wheelbase 95.7 in 115.8 in
Mercedes-Benz SL550
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Maserati GranTurismo MC Stradale
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