Car comparison

AUDI A6 allroad (C8) 55 TFSI V6vsAUDI A6 Avant (4F/C6) 4.2 V8 40V

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

New comparison

AUDI A6 allroad (C8)

55 TFSI V6

340 hp2995 ccGasolineAWDAutomaticTurbochargedWagon / estate2019-2025
VS

AUDI A6 Avant (4F/C6)

4.2 V8 40V

335 hp4163 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2004-2006

Comparison overview

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

Best choices

AUDI A6 allroad (C8) 55 TFSI V6

  • 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
    340 hp
    254 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    9.1 L/100 km
    25.8 mpg US
    31.0 mpg UK
  • Best estimated range
    692 km
    430 mi
  • Best overall score
    74/100
  • Best performance score
    69/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelAUDIA6 allroad (C8)55 TFSI V6AUDIA6 Avant (4F/C6)4.2 V8 40V
Power
340hp254kW
335hp250kW
Torque
500Nm369lb-ft
420Nm310lb-ft
Curb weight
1,870kg4,123lb
1,805kg3,979lb
Gross weight
2,520kg5,556lb
2,435kg5,368lb
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
56.3s99% target: 257 km/h / 160 mph
Calculated
66.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.2s
6.2s
0-200 km/h
16.8s
Calculated
20.0s
Calculated
0-60 mph
5.0s
Calculated
5.9s
Calculated
Fuel consumption
9.1L/100 km25.8mpg US31.0mpg UK
11.7L/100 km20.1mpg US24.1mpg UK
Fuel consumption city-
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway-
8.9L/100 km26.4mpg US31.7mpg UK
Quarter mile
13.2s
Calculated
14.2s
Calculated
Power-to-weight
182hp/t136kW/t82hp/1000 lb
Calculated
186hp/t138kW/t84hp/1000 lb
Calculated
Torque-to-weight
267Nm/t179lb-ft/ton
Calculated
233Nm/t156lb-ft/ton
Calculated
Estimated range
692km430mi
Calculated
684km425mi
Calculated
Displacement
2,995cc183cu in
4,163cc254cu in
Length
4,951mm195in
4,933mm194in
Width
1,902mm75in
1,855mm73in
Height
1,542mm61in
1,463mm58in
Wheelbase
2,925mm115in
2,843mm112in
Front track
1,645mm65in
1,612mm63in
Rear track
1,611mm63in
1,618mm64in
Ground clearance
184mm7in
-
Trunk volume
550L
565L
Max trunk volume
1,660L
1,660L
Doors
5
5
Seats
5
5
Fuel tank
63L
80L
CO2 emissions-
281g/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 A6 allroad (C8) 55 TFSI V6AUDI A6 Avant (4F/C6) 4.2 V8 40VPowerTorque
  • AUDI A6 allroad (C8) 55 TFSI V6: Power / Torque
  • AUDI A6 Avant (4F/C6) 4.2 V8 40V: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 allroad (C8)55 TFSI V65,200-6,400 rpm1,370-4,500 rpm6,650 rpm
AUDIA6 Avant (4F/C6)4.2 V8 40V6,600 rpm3,500 rpm6,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 allroad (C8)55 TFSI V6AUDIA6 Avant (4F/C6)4.2 V8 40V
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
5.9 s
0-100 km/h
0-62 mph
5.2 s
6.2 s
0-200 km/h
0-124 mph
16.8 s
20.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.5 s
330 ft
101 m
5.9 s
6.4 s
1/8 mile
201 m
8.8 s
9.4 s
1000 ft
305 m
11.2 s
12.0 s
1/4 mile
402 m
13.2 s
14.2 s
Trap speed
1/4 mile
402 m
179 km/h
112 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
340 hp
254 kW
AUDIA6 Avant (4F/C6)4.2 V8 40V
335 hp
250 kW

AUDI A6 allroad (C8) 55 TFSI V6 has 5 hp more than AUDI A6 Avant (4F/C6) 4.2 V8 40V.

The biggest power difference is between AUDI A6 Avant (4F/C6) 4.2 V8 40V and AUDI A6 allroad (C8) 55 TFSI V6: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
500 Nm
369 lb-ft
AUDIA6 Avant (4F/C6)4.2 V8 40V
420 Nm
310 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
1,870 kg
4,123 lb
AUDIA6 Avant (4F/C6)4.2 V8 40V
1,805 kg
3,979 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (4F/C6)4.2 V8 40V
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
AUDIA6 allroad (C8)55 TFSI V65.2 s
AUDIA6 Avant (4F/C6)4.2 V8 40V6.2 s

The biggest 0-100 km/h difference is between AUDI A6 allroad (C8) 55 TFSI V6 and AUDI A6 Avant (4F/C6) 4.2 V8 40V: 1.0 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDIA6 Avant (4F/C6)4.2 V8 40V
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

The biggest fuel consumption difference is between AUDI A6 allroad (C8) 55 TFSI V6 and AUDI A6 Avant (4F/C6) 4.2 V8 40V: 2.6 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
AUDIA6 allroad (C8)55 TFSI V6
182 hp/t
136 kW/t
5.5 kg/hp
AUDIA6 Avant (4F/C6)4.2 V8 40V
186 hp/t
138 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)55 TFSI V6
692 km
430 mi
AUDIA6 Avant (4F/C6)4.2 V8 40V
684 km
425 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 allroad (C8)55 TFSI V6
340 hp
254 kW
5.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (4F/C6)4.2 V8 40V
335 hp
250 kW
6.2 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
AUDIA6 allroad (C8)55 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,951 mm
194.9 in
Height
1,542 mm
60.7 in
AUDIA6 Avant (4F/C6)4.2 V8 40V
Power
335 hp
250 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,933 mm
194.2 in
Height
1,463 mm
57.6 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
AUDIA6 allroad (C8)55 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDIA6 Avant (4F/C6)4.2 V8 40V
Power
335 hp
250 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

AUDI A6 allroad (C8) 55 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
AUDIA6 allroad (C8)55 TFSI V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
5.2 s
AUDIA6 Avant (4F/C6)4.2 V8 40V
11.7 L/100 km
20.1 mpg US
24.1 mpg UK
6.2 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
AUDIA6 allroad (C8)55 TFSI V6
182 hp/t
136 kW/t
5.5 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
AUDIA6 Avant (4F/C6)4.2 V8 40V
186 hp/t
138 kW/t
5.4 kg/hp
11.7 L/100 km
20.1 mpg US
24.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 allroad (C8)55 TFSI V6AUDIA6 Avant (4F/C6)4.2 V8 40V
Power
340 hp
254 kW
335 hp
250 kW
Torque
500 Nm
369 lb-ft
420 Nm
310 lb-ft
Acceleration
5.2 s
6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,870 kg
4,123 lb
1,805 kg
3,979 lb
Fuel consumption
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
11.7 L/100 km
20.1 mpg US
24.1 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,951 mm
194.9 in
Height
1,542 mm
60.7 in
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,933 mm
194.2 in
Height
1,463 mm
57.6 in
Range score
692 km
430 mi
684 km
425 mi
CO2 score
-
281 g/km
Trunk score
550 L
19.4 cu ft
565 L
20.0 cu ft
Power-to-weight score
182 hp/t
136 kW/t
5.5 kg/hp
186 hp/t
138 kW/t
5.4 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 A6 allroad (C8) 55 TFSI V6AUDI A6 Avant (4F/C6) 4.2 V8 40V
Consumption9.1 L/100 km25.8 mpg US31 mpg UK11.7 L/100 km20.1 mpg US24.1 mpg UK
Cost / 100 km15.92 LC100 km20.47 LC100 km
Cost / 100 mi25.63 LC100 mi32.95 LC100 mi
Annual fuel used1,365 L361 US gal300 UK gal1,755 L464 US gal386 UK gal
Annual fuel cost2,389 LC/year3,071 LC/year

Head-to-head comparisons

AUDI A6 allroad (C8) 55 TFSI V6

  • Has 5 hp more
  • Has 80 Nm more
  • Is 1.0 s quicker from 0-100 km/h
  • Uses 2.6 L/100 km less fuel
  • Has 9 km (5 mi) more estimated range

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

AUDI A6 Avant (4F/C6) 4.2 V8 40V

  • Is 65 kg lighter
  • Has 4 hp/t better power-to-weight
  • Has 15 L more trunk volume

Pros

  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 allroad (C8) 55 TFSI V6
AUDI A6 Avant (4F/C6) 4.2 V8 40V
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