Road Tests Real world tests of CLK GTR Straßenversion vs RX-8 SPIRIT R

Differences What are the advantages of each

Front view of Mercedes-Benz CLK GTR Straßenversion

Reasons to consider the
Mercedes-Benz

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Much faster in the quarter mile 9.4 s vs 15 s More than 35% faster at the drag strip
Much faster to 60mph 3.4 s vs 6.5 s Around 50% faster to 60mph
Faster top speed 191 mph vs 140 mph 51 more mph; leaves lesser cars in the dust on the straights
Much more torque 571 ft-lb @ 5,250 RPM vs 159 ft-lb @ 5,500 RPM More than 3.5x stronger engine from a stand-still; more acceleration power
Way more more powerful engine 612 HP @ 6,800 RPM vs 232 HP @ 8,500 RPM Around 2.8x stronger engine
Much bigger engine 6,898 cc vs 1,300 cc More than 5.2x bigger engine
Car-autoblog view of Mazda RX-8 SPIRIT R

Reasons to consider the
Mazda RX-8 SPIRIT R

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Higher redline 9,000 RPM vs 7,800 RPM More than 15% more revs
Lighter curb weight 2,880 lb vs 3,406 lb More than 15% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

CLK GTR Straßenversion  vs
RX-8 SPIRIT R 
Brand Mercedes-Benz Mazda
Type of car Production car Production car
Year 1998 2011

power & handling

Power-to-weight ratio 5.57 lb/hp 12.41 lb/hp
Maximum hp 612 HP @ 6,800 RPM 232 HP @ 8,500 RPM
Maximum torque 571 ft-lb @ 5,250 RPM 159 ft-lb @ 5,500 RPM
Max RPM 7,800 RPM 9,000 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 6,898 cc 1,300 cc
Cylinders V12 Rotary
Fuels
Gas

physical dimensions

Curb weight 3,406 lb 2,880 lb
Width 76.8 in 46.1 in
Height 45.8 in 52.8 in
Length 191.1 in 176 in
Wheelbase 105.1 in 106.3 in

road tests

CLK GTR Straßenversion  vs
RX-8 SPIRIT R 
Top speed 191 mph 140 mph
1/4 mile 9.4 s 15 s
0-60mph 3.4 s 6.5 s
0-100mph 5.7 s 17.2 s

transmission

Drivetrain Mid Engine / RWD RWD
Gearing Traditional Traditional
# of gears 6 6
Gear ratios
1: 2.71:1
2: 2.2:1
3: 1.8:1
4: 1.52:1
5: 1.33:1
6: 1.18:1
Axle ratio 2.88:1 4.78:1

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Mercedes-Benz
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Mazda RX-8 SPIRIT R
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