Road Tests Real world tests of SLS AMG vs Audi R8

Top Gear track time

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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More expensive sticker price $256k vs $146k More than 75% more expensive harder to own
More torque 479 ft-lb @ 4,750 RPM vs 392 ft-lb @ 6,500 RPM More than 20% stronger engine from a stand-still; more acceleration power
Slightly great lap time on the Top Gear track 1:19.60 vs 1:21.60 Almost the same
Bigger engine 6,208 cc vs 5,200 cc Around 20% bigger engine
Slightly more powerful engine 563 HP @ 6,800 RPM vs 518 HP @ 8,000 RPM Around 10% stronger engine
Default view of Audi R8

Reasons to consider the
Audi R8 5.2 FSI Quattro

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Faster to 60mph 3.4 s vs 3.8 s More than 10% faster to 60mph
Way higher redline 8,700 RPM vs 7,300 RPM Around 20% more revs

Specifications Full list of technical specs

general

SLS AMG  vs
Audi R8 
Brand Mercedes-Benz Audi
Price 255,659 146,000
Type of car Production car Production car
Year 2011 2010
City mileage 13 MPG 11 MPG
Highway mileage 20 MPG 17 MPG

power & handling

Power-to-weight ratio 6.5 lb/hp 6.88 lb/hp
Maximum hp 563 HP @ 6,800 RPM 518 HP @ 8,000 RPM
Maximum torque 479 ft-lb @ 4,750 RPM 392 ft-lb @ 6,500 RPM
Max RPM 7,300 RPM 8,700 RPM
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc

physical dimensions

Curb weight 3,661 lb 3,564 lb
Width 76.3 in 76 in
Height 49.7 in 49.3 in
Length 182.6 in 174.6 in
Front track width 66.2 in 64.5 in
Wheelbase 105.5 in 65 in

road tests

SLS AMG  vs
Audi R8 
Top speed 196 mph 195 mph
1/4 mile 11.7 s 11.5 s
0-60mph 3.8 s 3.4 s
Top gear time 1:19.60 1:21.60

transmission

Drivetrain RWD Permanent Quattro 4WD w/Electronic Diffential Lock (EDL)
Gearing Traditional Traditional
# of gears 7 6

engine

Displacement 6,208 cc 5,200 cc
Cylinders V8 V10
Air compressor None None
Fuels
Gas
Compression ratio 11.3:1 12.5:1
Bore/stroke 4.02 in / 3.72 in 3.33 in / 3.65 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4
Mercedes-Benz
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Audi R8 5.2 FSI Quattro
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