Road Tests Real world tests of SLS AMG vs MP4-12C

0-60mph

Top speed

MP4-12C
205 mph

Top Gear track time

MP4-12C
1:16.20

1/4 mile

Differences What are the advantages of each

Side view of Mercedes-Benz SLS AMG

Reasons to consider the
Mercedes-Benz

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Much bigger engine 6,208 cc vs 3,799 cc Around 65% bigger engine
Side view of McLaren MP4-12C

Reasons to consider the
McLaren MP4-12C

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Has an air compressor Twin turbocharger vs None Most supercars don't have an air compressor
Faster to 60mph 3.1 s vs 3.8 s Around 20% faster to 60mph
Faster in the quarter mile 11 s vs 11.7 s More than 5% faster at the drag strip
Great lap time on the Top Gear track 1:16.20 vs 1:19.60 Around 5% great lap time on the Top Gear track
Faster top speed 205 mph vs 196 mph 9 more mph; leaves lesser cars in the dust on the straights
Way higher redline 8,500 RPM vs 7,300 RPM More than 15% more revs
Lighter curb weight 3,161 lb vs 3,661 lb Around 15% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

SLS AMG  vs
MP4-12C 
Brand Mercedes-Benz McLaren
Price 255,659 229,000
Type of car Production car Production car
Year 2011 2011
City mileage 13 MPG 11 MPG
Highway mileage 20 MPG 22 MPG

power & handling

Power-to-weight ratio 6.5 lb/hp 5.35 lb/hp
Maximum hp 563 HP @ 6,800 RPM 591 HP @ 7,000 RPM
Maximum torque 479 ft-lb @ 4,750 RPM 442 ft-lb @ 3,000 RPM
Max RPM 7,300 RPM 8,500 RPM
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc 14.6 in Ventilated Disc
Rear brakes Disc 13.8 in Ventilated Disc
Front wheels 483/? 241 235/35 19
Rear wheels 508/? 279 305/30 20

physical dimensions

Curb weight 3,661 lb 3,161 lb
Width 76.3 in 75.2 in
Height 49.7 in 47.2 in
Length 182.6 in 177.4 in
Front track width 66.2 in 65.2 in
Wheelbase 105.5 in 105.1 in

road tests

SLS AMG  vs
MP4-12C 
Top speed 196 mph 205 mph
1/4 mile 11.7 s 11 s
0-60mph 3.8 s 3.1 s
Top gear time 1:19.60 1:16.20

transmission

Drivetrain RWD 2WD
Gearing Traditional Traditional
# of gears 7 7

engine

Displacement 6,208 cc 3,799 cc
Cylinders V8 V8
Air compressor None Twin turbocharger
Fuels
Gas
Compression ratio 11.3:1 8.7:1
Bore/stroke 4.02 in / 3.72 in 3.66 in / 2.75 in
Valvetrain DOHC Dual overhead camshaft (DOHC)
Valves per cylinder 4 4
Mercedes-Benz
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McLaren MP4-12C
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