Road Tests Real world tests of Impreza WRX STI vs BMW M3

0-60mph

Top speed

1/4 mile

Differences What are the advantages of each

Side view of Subaru Impreza WRX STI

Reasons to consider the
Subaru Impreza WRX STI

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Lighter curb weight 3,319 lb vs 3,649 lb Around 10% lighter curb weight; less inertia to overcome when accelerating
Front view of BMW M3

Reasons to consider the
BMW M3 (E92) Coupe

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Faster in the quarter mile 12.5 s vs 13.5 s More than 5% faster at the drag strip
More powerful engine 420 HP @ 8,300 RPM vs 296 HP @ 6,000 RPM More than 40% stronger engine
More expensive sticker price $60k vs $30k 2x more expensive harder to own
Faster to 60mph 4.4 s vs 5 s More than 10% faster to 60mph
Bigger engine 3,999 cc vs 2,457 cc Around 65% bigger engine
Better power-to-weight ratio 8.69 lb/hp vs 11.21 lb/hp Around 25% better power-to-weight ratio

Specifications Full list of technical specs

general

Impreza WRX STI  vs
BMW M3 
Brand Subaru BMW
Price 30,000 59,625
Type of car Production car Production car
Year 2011 2008
City mileage 17 MPG 14 MPG
Highway mileage 23 MPG 20 MPG

transmission

Drivetrain 4WD RWD w/M Differential Lock
Gearing Traditional Traditional
# of gears 6 6

engine

Displacement 2,457 cc 3,999 cc
Cylinders Flat 4 V8
Fuels
Gas

physical dimensions

Curb weight 3,319 lb 3,649 lb
Width 70.7 in 71.5 in
Height 57.9 in 55.8 in
Length 180.3 in 181.7 in
Wheelbase 103.3 in 108.7 in

road tests

Impreza WRX STI  vs
BMW M3 
Top speed 158 mph 161 mph
1/4 mile 13.5 s 12.5 s
0-60mph 5 s 4.4 s

power & handling

Power-to-weight ratio 11.21 lb/hp 8.69 lb/hp
Maximum hp 296 HP @ 6,000 RPM 420 HP @ 8,300 RPM
Maximum torque 300 ft-lb @ 4,000 RPM 295 ft-lb @ 3,900 RPM
Steering system Rack and pinion Rack and pinion

suspension, wheels & brakes

Front brakes Disc Disc
Rear brakes Disc Disc
Front wheels 457/? 216 457/? 215
Rear wheels 457/? 216 457/? 241
Subaru Impreza WRX STI
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BMW M3 (E92) Coupe
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