Road Tests Real world tests of SLS AMG vs SLR McLaren

Differences What are the advantages of each

Side view of Mercedes-Benz SLS AMG

Reasons to consider the
Mercedes-Benz

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Bigger engine 6,208 cc vs 5,400 cc Around 15% bigger engine
Front view of Mercedes-Benz SLR McLaren

Reasons to consider the
Mercedes-Benz V8

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Way more expensive sticker price $455k vs $256k Around 80% more expensive harder to own
Faster top speed 207 mph vs 196 mph 11 more mph; leaves lesser cars in the dust on the straights
More torque 577 ft-lb @ 1,750 RPM vs 479 ft-lb @ 4,750 RPM More than 20% stronger engine from a stand-still; more acceleration power
More powerful engine 617 HP @ 6,500 RPM vs 563 HP @ 6,800 RPM Around 10% stronger engine

Specifications Full list of technical specs

general

SLS AMG  vs
SLR McLaren 
Brand Mercedes-Benz Mercedes-Benz
Price 255,659 455,000
Type of car Production car Production car
Year 2011 2003-2009

power & handling

Power-to-weight ratio 6.5 lb/hp 6.04 lb/hp
Maximum hp 563 HP @ 6,800 RPM 617 HP @ 6,500 RPM
Maximum torque 479 ft-lb @ 4,750 RPM 577 ft-lb @ 1,750 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,208 cc 5,400 cc
Cylinders V8 V8
Fuels
Gas
Compression ratio 11.3:1 8.8:1
Bore/stroke 4.02 in / 3.72 in 3.82 in / 3.62 in
Valvetrain DOHC Single overhead camshaft (SOHC)
Valves per cylinder 4 3

road tests

SLS AMG  vs
SLR McLaren 
Top speed 196 mph 207 mph
1/4 mile 11.7 s 11.6 s
0-60mph 3.8 s 3.6 s
Top gear time 1:19.60 1:20.90

transmission

Drivetrain RWD Rear wheel drive
Gearing Traditional Traditional
# of gears 7 5
Gear ratios
1: 3.4:1
2: 2.19:1
3: 1.63:1
4: 1.29:1
5: 1.03:1
6: 0.84:1
7: 0.72:1

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 483/? 241 457/? 229
Rear wheels 508/? 279 457/? 292

physical dimensions

Curb weight 3,661 lb 3,725 lb
Width 76.3 in 75.1 in
Height 49.7 in 49.6 in
Length 182.6 in 183.3 in
Front track width 66.2 in 64.5 in
Wheelbase 105.5 in 106.3 in
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