Car comparison

AUDI S4 (B8) 3.0 TFSI V6vsSubaru WRX STI Sedan 2.5

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI S4 (B8)

3.0 TFSI V6

333 hp2995 ccGasolineAWDAutomaticSuperchargedSedan2009-2011
VS

Subaru WRX STI Sedan

2.5

300 hp2457 ccGasolineAWDManualTurbochargedSedan2007-2011

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI S4 (B8) 3.0 TFSI V6

  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    333 hp
    248 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    13.5 L/100 km
    17.4 mpg US
    20.9 mpg UK
  • Lowest highway consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Best estimated range
    681 km
    423 mi
  • Best overall score
    71/100
  • Best performance score
    69/100
  • Best economy score
    82/100

Subaru WRX STI Sedan 2.5

  • Quickest 0-100 km/h
    5.2 s
  • Lightest
    1,505 kg
    3,318 lb
  • Best power-to-weight
    199 hp/t
    149 kW/t
    5.0 kg/hp
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelAUDIS4 (B8)3.0 TFSI V6SubaruWRX STI Sedan2.5
Power
333hp248kW
300hp224kW
Torque
440Nm325lb-ft
407Nm300lb-ft
Curb weight
1,685kg3,715lb
1,505kg3,318lb
Gross weight
2,235kg4,927lb
-
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
51.9s99% target: 262 km/h / 163 mph
Calculated
49.7s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
5.2s
0-200 km/h
15.8s
Calculated
15.8s
Calculated
0-60 mph
5.1s
Calculated
5.0s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
10.3L/100 km22.8mpg US27.4mpg UK
Fuel consumption city
13.5L/100 km17.4mpg US20.9mpg UK
13.8L/100 km17mpg US20.5mpg UK
Fuel consumption highway
7L/100 km33.6mpg US40.4mpg UK
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
13.2s
Calculated
13.1s
Calculated
Power-to-weight
198hp/t147kW/t90hp/1000 lb
Calculated
199hp/t149kW/t90hp/1000 lb
Calculated
Torque-to-weight
261Nm/t175lb-ft/ton
Calculated
270Nm/t181lb-ft/ton
Calculated
Estimated range
681km423mi
Calculated
583km362mi
Calculated
Displacement
2,995cc183cu in
2,457cc150cu in
Length
4,717mm186in
4,580mm180in
Width
1,826mm72in
1,795mm71in
Height
1,406mm55in
1,475mm58in
Wheelbase
2,811mm111in
2,625mm103in
Front track
1,552mm61in
1,530mm60in
Rear track
1,539mm61in
1,540mm61in
Trunk volume
480L
-
Max trunk volume
962L
-
Doors
4
4
Seats
5
5
Fuel tank
64L
60L
CO2 emissions
219g/km
-

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI S4 (B8) 3.0 TFSI V6Subaru WRX STI Sedan 2.5PowerTorque
  • AUDI S4 (B8) 3.0 TFSI V6: Power / Torque
  • Subaru WRX STI Sedan 2.5: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS4 (B8)3.0 TFSI V65,500-7,000 rpm2,900-5,300 rpm7,250 rpm
SubaruWRX STI Sedan2.56,000 rpm4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS4 (B8)3.0 TFSI V6SubaruWRX STI Sedan2.5
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.0 s
0-100 km/h
0-62 mph
5.3 s
5.2 s
0-200 km/h
0-124 mph
15.8 s
15.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.0 s
6.0 s
1/8 mile
201 m
8.8 s
8.8 s
1000 ft
305 m
11.2 s
11.2 s
1/4 mile
402 m
13.2 s
13.1 s
Trap speed
1/4 mile
402 m
183 km/h
114 mph
184 km/h
114 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
333 hp
248 kW
SubaruWRX STI Sedan2.5
300 hp
224 kW

AUDI S4 (B8) 3.0 TFSI V6 has 33 hp more than Subaru WRX STI Sedan 2.5.

The biggest power difference is between Subaru WRX STI Sedan 2.5 and AUDI S4 (B8) 3.0 TFSI V6: 33 hp (25 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
440 Nm
325 lb-ft
SubaruWRX STI Sedan2.5
407 Nm
300 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
1,685 kg
3,715 lb
SubaruWRX STI Sedan2.5
1,505 kg
3,318 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
SubaruWRX STI Sedan2.5
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V65.3 s
SubaruWRX STI Sedan2.55.2 s

Although AUDI S4 (B8) 3.0 TFSI V6 has more power, Subaru WRX STI Sedan 2.5 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Subaru WRX STI Sedan 2.5 and AUDI S4 (B8) 3.0 TFSI V6: 0.1 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
SubaruWRX STI Sedan2.5
10.3 L/100 km
22.8 mpg US
27.4 mpg UK

The biggest fuel consumption difference is between AUDI S4 (B8) 3.0 TFSI V6 and Subaru WRX STI Sedan 2.5: 0.9 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
198 hp/t
147 kW/t
5.1 kg/hp
SubaruWRX STI Sedan2.5
199 hp/t
149 kW/t
5.0 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIS4 (B8)3.0 TFSI V6
681 km
423 mi
SubaruWRX STI Sedan2.5
583 km
362 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS4 (B8)3.0 TFSI V6
333 hp
248 kW
5.3 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
SubaruWRX STI Sedan2.5
300 hp
224 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIS4 (B8)3.0 TFSI V6
Power
333 hp
248 kW
0-100 km/h5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,717 mm
185.7 in
Height
1,406 mm
55.4 in
SubaruWRX STI Sedan2.5
Power
300 hp
224 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,580 mm
180.3 in
Height
1,475 mm
58.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIS4 (B8)3.0 TFSI V6
Power
333 hp
248 kW
0-100 km/h5.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
SubaruWRX STI Sedan2.5
Power
300 hp
224 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.3 L/100 km
22.8 mpg US
27.4 mpg UK

AUDI S4 (B8) 3.0 TFSI V6 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIS4 (B8)3.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.3 s
SubaruWRX STI Sedan2.5
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
5.2 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIS4 (B8)3.0 TFSI V6
198 hp/t
147 kW/t
5.1 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
SubaruWRX STI Sedan2.5
199 hp/t
149 kW/t
5.0 kg/hp
10.3 L/100 km
22.8 mpg US
27.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS4 (B8)3.0 TFSI V6SubaruWRX STI Sedan2.5
Power
333 hp
248 kW
300 hp
224 kW
Torque
440 Nm
325 lb-ft
407 Nm
300 lb-ft
Acceleration
5.3 s
5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,685 kg
3,715 lb
1,505 kg
3,318 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,717 mm
185.7 in
Height
1,406 mm
55.4 in
Doors/seats
4 doors
5 seats
Trunk-
Length
4,580 mm
180.3 in
Height
1,475 mm
58.1 in
Range score
681 km
423 mi
583 km
362 mi
CO2 score
219 g/km
-
Trunk score
480 L
17.0 cu ft
-
Power-to-weight score
198 hp/t
147 kW/t
5.1 kg/hp
199 hp/t
149 kW/t
5.0 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI S4 (B8) 3.0 TFSI V6Subaru WRX STI Sedan 2.5
Consumption9.4 L/100 km25 mpg US30.1 mpg UK10.3 L/100 km22.8 mpg US27.4 mpg UK
Cost / 100 km16.45 LC100 km18.03 LC100 km
Cost / 100 mi26.47 LC100 mi29.01 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal1,545 L408 US gal340 UK gal
Annual fuel cost2,468 LC/year2,704 LC/year

Head-to-head comparisons

AUDI S4 (B8) 3.0 TFSI V6

  • Has 33 hp more
  • Has 33 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Uses 0.9 L/100 km less fuel
  • Has 98 km (61 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest

Subaru WRX STI Sedan 2.5

  • Is 180 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Has 2 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S4 (B8) 3.0 TFSI V6
Subaru WRX STI Sedan 2.5
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