Road Tests Real world tests of Lexus IS-F vs BMW M5

0-60mph

Lexus IS-F
4.8 s
M5 (E60)
4.1 s

Top speed

Lexus IS-F
170 mph
M5 (E60)
155 mph

0-100mph

Lexus IS-F
9.8 s
M5 (E60)
9.2 s

Top Gear track time

Lexus IS-F
1:26.90
M5 (E60)
1:26.20

1/4 mile

Lexus IS-F
12.8 s
M5 (E60)
12.3 s

Differences What are the advantages of each

Side view of Lexus IS-F

Reasons to consider the
Lexus IS-F

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Faster top speed 170 mph vs 155 mph 15 more mph; leaves lesser cars in the dust on the straights
Slightly lighter curb weight 3,825 lb vs 4,066 lb More than 5% lighter curb weight; less inertia to overcome when accelerating
Side view of BMW M5

Reasons to consider the
BMW M5 (E60)

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Faster to 60mph 4.1 s vs 4.8 s Around 15% faster to 60mph
More powerful engine 500 HP @ 7,750 RPM vs 400 HP @ 6,600 RPM 25% stronger engine
More expensive sticker price $81k vs $60k 35% more expensive harder to own
Faster in the quarter mile 12.3 s vs 12.8 s Around 5% faster at the drag strip
Way higher redline 8,250 RPM vs 6,800 RPM More than 20% more revs
Slightly more torque 385 ft-lb @ 6,100 RPM vs 350 ft-lb @ 5,200 RPM 10% stronger engine from a stand-still; more acceleration power
Better power-to-weight ratio 8.13 lb/hp vs 9.56 lb/hp Around 15% better power-to-weight ratio

Specifications Full list of technical specs

general

Lexus IS-F  vs
BMW M5 
Brand Lexus BMW
Price 59,990 81,200
Type of car Production car Production car
Year 2008 2005
Highway mileage 23 MPG 19 MPG

power & handling

Power-to-weight ratio 9.56 lb/hp 8.13 lb/hp
Maximum hp 400 HP @ 6,600 RPM 500 HP @ 7,750 RPM
Maximum torque 350 ft-lb @ 5,200 RPM 385 ft-lb @ 6,100 RPM
Max RPM 6,800 RPM 8,250 RPM
Steering system Rack and pinion Rack and pinion

engine

Displacement 5,000 cc 5,000 cc
Cylinders V8 V10
Fuels
Gas
Compression ratio 11.8:1 12:1
Bore/stroke 3.7 in / 3.52 in 3.62 in / 2.95 in
Valvetrain DOHC DOHC
Valves per cylinder 4 4

road tests

Lexus IS-F  vs
BMW M5 
Top speed 170 mph 155 mph
1/4 mile 12.8 s 12.3 s
0-60mph 4.8 s 4.1 s
0-100mph 9.8 s 9.2 s
Top gear time 1:26.90 1:26.20

transmission

Drivetrain RWD w/ESP RWD w/M Differential Lock
Gearing Traditional Traditional
# of gears 8 7
Gear ratios
1: 4.6:1
2: 2.72:1
3: 1.86:1
4: 1.46:1
5: 1.23:1
6: 1:1
7: 0.82:1
8: 0.69:1
Axle ratio 2.94:1 3.62:1

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 483/? 203 216/? 457
Rear wheels 483/? 229 241/? 457

physical dimensions

Curb weight 3,825 lb 4,066 lb
Width 71.5 in 72.7 in
Height 5,537 in 57.8 in
Length 183.5 in 191.5 in
Front track width 61.4 in 62.2 in
Wheelbase 107.5 in 113.7 in
Lexus IS-F
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BMW M5 (E60)
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