Car comparison

Subaru WRX STI Sedan 2.5vsAUDI A6 (4F/C6) · Facelift 2008 3.0 TFSI V6

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

New comparison

Subaru WRX STI Sedan

2.5

300 hp2457 ccGasolineAWDManualTurbochargedSedan2007-2011
VS

AUDI A6 (4F/C6) · Facelift 2008

3.0 TFSI V6

290 hp2995 ccGasolineAWDAutomaticSuperchargedSedan2008-2011

Comparison overview

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

Best choices

Subaru WRX STI Sedan 2.5

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    300 hp
    224 kW
  • Lightest
    1,505 kg
    3,318 lb
  • Best power-to-weight
    199 hp/t
    149 kW/t
    5.0 kg/hp
  • Best overall score
    70/100
  • Best performance score
    67/100

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6

  • Highest torque
    420 Nm
    310 lb-ft
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    13.2 L/100 km
    17.8 mpg US
    21.4 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Best estimated range
    851 km
    529 mi
  • Best economy score
    82/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelSubaruWRX STI Sedan2.5AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
Power
300hp224kW
290hp216kW
Torque
407Nm300lb-ft
420Nm310lb-ft
Curb weight
1,505kg3,318lb
1,725kg3,803lb
Gross weight-
2,305kg5,082lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
49.7s99% target: 257 km/h / 160 mph
Calculated
60.6s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
5.9s
0-200 km/h
15.8s
Calculated
18.5s
Calculated
0-60 mph
5.0s
Calculated
5.6s
Calculated
Fuel consumption
10.3L/100 km22.8mpg US27.4mpg UK
9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city
13.8L/100 km17mpg US20.5mpg UK
13.2L/100 km17.8mpg US21.4mpg UK
Fuel consumption highway
8.2L/100 km28.7mpg US34.4mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
13.1s
Calculated
13.9s
Calculated
Power-to-weight
199hp/t149kW/t90hp/1000 lb
Calculated
168hp/t125kW/t76hp/1000 lb
Calculated
Torque-to-weight
270Nm/t181lb-ft/ton
Calculated
243Nm/t163lb-ft/ton
Calculated
Estimated range
583km362mi
Calculated
851km529mi
Calculated
Displacement
2,457cc150cu in
2,995cc183cu in
Length
4,580mm180in
4,927mm194in
Width
1,795mm71in
1,855mm73in
Height
1,475mm58in
1,459mm57in
Wheelbase
2,625mm103in
2,843mm112in
Front track
1,530mm60in
1,612mm63in
Rear track
1,540mm61in
1,618mm64in
Max trunk volume-
546L
Doors
4
4
Seats
5
5
Fuel tank
60L
80L
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.

Subaru WRX STI Sedan 2.5AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6PowerTorque
  • Subaru WRX STI Sedan 2.5: Power / Torque
  • AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
SubaruWRX STI Sedan2.56,000 rpm4,000 rpm6,250 rpm
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V64,850-6,800 rpm2,500-4,850 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricSubaruWRX STI Sedan2.5AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.6 s
0-100 km/h
0-62 mph
5.2 s
5.9 s
0-200 km/h
0-124 mph
15.8 s
18.5 s
Top speed
Unrestricted
260 km/h162 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
2.5 s
330 ft
101 m
6.0 s
6.3 s
1/8 mile
201 m
8.8 s
9.2 s
1000 ft
305 m
11.2 s
11.8 s
1/4 mile
402 m
13.1 s
13.9 s
Trap speed
1/4 mile
402 m
184 km/h
114 mph
174 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
300 hp
224 kW
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
290 hp
216 kW

Subaru WRX STI Sedan 2.5 has 10 hp more than AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6.

The biggest power difference is between AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6 and Subaru WRX STI Sedan 2.5: 10 hp (7 kW).

Torque comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
407 Nm
300 lb-ft
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
1,505 kg
3,318 lb
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
1,725 kg
3,803 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
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
SubaruWRX STI Sedan2.55.2 s
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V65.9 s

The biggest 0-100 km/h difference is between Subaru WRX STI Sedan 2.5 and AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6: 0.7 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

The biggest fuel consumption difference is between AUDI A6 (4F/C6) Facelift 2008 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
SubaruWRX STI Sedan2.5
199 hp/t
149 kW/t
5.0 kg/hp
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
168 hp/t
125 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
SubaruWRX STI Sedan2.5
583 km
362 mi
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
851 km
529 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
SubaruWRX STI Sedan2.5
300 hp
224 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
290 hp
216 kW
5.9 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
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
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
Power
290 hp
216 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,927 mm
194.0 in
Height
1,459 mm
57.4 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
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
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
Power
290 hp
216 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Subaru WRX STI Sedan 2.5 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
SubaruWRX STI Sedan2.5
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
5.2 s
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.9 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
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
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
168 hp/t
125 kW/t
5.9 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleSubaruWRX STI Sedan2.5AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
Power
300 hp
224 kW
290 hp
216 kW
Torque
407 Nm
300 lb-ft
420 Nm
310 lb-ft
Acceleration
5.2 s
5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,505 kg
3,318 lb
1,725 kg
3,803 lb
Fuel consumption
10.3 L/100 km
22.8 mpg US
27.4 mpg UK
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
4,580 mm
180.3 in
Height
1,475 mm
58.1 in
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,927 mm
194.0 in
Height
1,459 mm
57.4 in
Range score
583 km
362 mi
851 km
529 mi
CO2 score
-
219 g/km
Trunk score
-
546 L
19.3 cu ft
Power-to-weight score
199 hp/t
149 kW/t
5.0 kg/hp
168 hp/t
125 kW/t
5.9 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
VehicleSubaru WRX STI Sedan 2.5AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6
Consumption10.3 L/100 km22.8 mpg US27.4 mpg UK9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km18.03 LC100 km16.45 LC100 km
Cost / 100 mi29.01 LC100 mi26.47 LC100 mi
Annual fuel used1,545 L408 US gal340 UK gal1,410 L372 US gal310 UK gal
Annual fuel cost2,704 LC/year2,468 LC/year

Head-to-head comparisons

Subaru WRX STI Sedan 2.5

  • Has 10 hp more
  • Is 220 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 31 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Highest combined fuel consumption

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6

  • Has 13 Nm more
  • Uses 0.9 L/100 km less fuel
  • Has 269 km (167 mi) more estimated range

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
Subaru WRX STI Sedan 2.5
AUDI A6 (4F/C6) 3.0 TFSI V6
Compare selected cars
2 vehicles selected

Popular comparisons

2.5
2.5
VS
SubaruWRX STI Sedan2.5vsSubaruWRX STI2.5
3.0 TFSI V6
3.2 FSI V6
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 (4F/C6)3.2 FSI V6
2.5
2.5
VS
SubaruWRX STI Sedan2.5vsSubaruWRX STIFacelift 20182.5
3.0 TFSI V6
4.2 V8
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 (4B/C5)Facelift 20014.2 V8
2.5
2.5
VS
SubaruWRX STI Sedan2.5vsSubaruWRX STI Hatchback2.5
3.0 TFSI V6
50 TDI V6
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 Sedan (C8)50 TDI V6
2.5
2.5 GT
VS
SubaruWRX STI Sedan2.5vsSubaruLegacy V2.5 GT
3.0 TFSI V6
4.2 V8 40V
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 (4B/C5)4.2 V8 40V
2.5
R36 3.6 V6 FSI
VS
SubaruWRX STI Sedan2.5vsVolkswagenPassat (B6)R36 3.6 V6 FSI
3.0 TFSI V6
3.0 TFSI V6
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 Avant (4F/C6)Facelift 20083.0 TFSI V6
2.5
335i
VS
SubaruWRX STI Sedan2.5vsBMW3 Series Sedan (E90 LCI)Facelift 2008335i
3.0 TFSI V6
3.0 TFSI V6
VS
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6vsAUDIA6 allroad (4F/C6)Facelift 20083.0 TFSI V6
Subaru WRX STI Sedan 2.5 vs AUDI A6 (4F/C6) · Facelift 2008 3.0 TFSI V6 - car comparison - FastVsFaster