Road Tests Real world tests of Lexus IS-F vs Focus ST

Differences What are the advantages of each

Side view of Lexus IS-F

Reasons to consider the
Lexus IS-F

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A lot faster to 100mph 9.8 s vs 15.7 s Around 40% faster to 100mph
A lot faster in the quarter mile 12.8 s vs 15 s Around 15% faster at the drag strip
Great lap time on the Top Gear track 1:26.90 vs 1:33.50 More than 5% great lap time on the Top Gear track
Faster top speed 170 mph vs 149 mph 21 more mph; leaves lesser cars in the dust on the straights
More powerful engine 400 HP @ 6,600 RPM vs 222 HP @ 6,100 RPM More than 80% stronger engine
Much bigger engine 5,000 cc vs 2,500 cc 2x bigger engine
More torque 350 ft-lb @ 5,200 RPM vs 237 ft-lb @ 1,600 RPM Around 50% stronger engine from a stand-still; more acceleration power
Front view of Ford Focus ST

Reasons to consider the
Ford Focus ST

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Lighter curb weight 3,062 lb vs 3,825 lb Around 20% lighter curb weight; less inertia to overcome when accelerating

Specifications Full list of technical specs

general

Lexus IS-F  vs
Focus ST 
Brand Lexus Ford
Year 2008 2005
Highway mileage 23 MPG 30 MPG

power & handling

Power-to-weight ratio 9.56 lb/hp 13.79 lb/hp
Maximum hp 400 HP @ 6,600 RPM 222 HP @ 6,100 RPM
Maximum torque 350 ft-lb @ 5,200 RPM 237 ft-lb @ 1,600 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 5,000 cc 2,500 cc
Fuels
Gas
Compression ratio 11.8:1 9:1
Bore/stroke 3.7 in / 3.52 in 3.27 in / 3.66 in

physical dimensions

Curb weight 3,825 lb 3,062 lb
Width 71.5 in 78.4 in
Height 5,537 in 57 in
Length 183.5 in 171.7 in
Wheelbase 107.5 in 103 in

road tests

Lexus IS-F  vs
Focus ST 
Top speed 170 mph 149 mph
1/4 mile 12.8 s 15 s
0-60mph 4.8 s 6.5 s
0-100mph 9.8 s 15.7 s
Top gear time 1:26.90 1:33.50

transmission

Drivetrain RWD w/ESP 2WD
Gearing Traditional Traditional
# of gears 8 6

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Lexus IS-F
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Ford Focus ST
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