Car comparison

AUDI A6 Avant (C9) 3.0 TFSI V6vsAUDI A6 Avant (4F/C6) 4.2 FSI V8

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

New comparison

AUDI A6 Avant (C9)

3.0 TFSI V6

367 hp2995 ccGasolineAWDAutomaticTurbochargedWagon / estate2025-present
VS

AUDI A6 Avant (4F/C6)

4.2 FSI V8

350 hp4163 ccGasolineAWDAutomaticNaturally aspiratedWagon / estate2006-2008

Comparison overview

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

Best choices

AUDI A6 Avant (C9) 3.0 TFSI V6

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    367 hp
    274 kW
  • Highest torque
    550 Nm
    406 lb-ft
  • Lowest combined fuel consumption
    7.8 L/100 km
    30.2 mpg US
    36.2 mpg UK
  • Best estimated range
    782 km
    486 mi
  • Best overall score
    76/100
  • Best performance score
    73/100
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 Avant (4F/C6)4.2 FSI V8
Power
367hp274kW
350hp261kW
Torque
550Nm406lb-ft
440Nm325lb-ft
Curb weight
2,000kg4,409lb
1,830kg4,034lb
Gross weight
2,645kg5,831lb
2,460kg5,423lb
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
49.4s99% target: 257 km/h / 160 mph
Calculated
65.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
6.1s
0-200 km/h
14.9s
Calculated
19.6s
Calculated
0-60 mph
4.5s
Calculated
5.8s
Calculated
Fuel consumption
7.8L/100 km30.2mpg US36.2mpg UK
10.9L/100 km21.6mpg US25.9mpg UK
Fuel consumption city-
15.7L/100 km15mpg US18.0mpg UK
Fuel consumption highway-
8.2L/100 km28.7mpg US34.4mpg UK
Quarter mile
12.7s
Calculated
14.1s
Calculated
Power-to-weight
184hp/t137kW/t83hp/1000 lb
Calculated
191hp/t143kW/t87hp/1000 lb
Calculated
Torque-to-weight
275Nm/t184lb-ft/ton
Calculated
240Nm/t161lb-ft/ton
Calculated
Estimated range
782km486mi
Calculated
734km456mi
Calculated
Displacement
2,995cc183cu in
4,163cc254cu in
Length
4,999mm197in
4,933mm194in
Width
1,875mm74in
1,855mm73in
Height
1,472mm58in
1,463mm58in
Wheelbase
2,923mm115in
2,843mm112in
Front track
1,626mm64in
1,612mm63in
Rear track
1,610mm63in
1,618mm64in
Trunk volume
466L
565L
Max trunk volume
1,497L
1,660L
Doors
5
5
Seats
5
5
Fuel tank
61L
80L
CO2 emissions-
259g/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 Avant (C9) 3.0 TFSI V6AUDI A6 Avant (4F/C6) 4.2 FSI V8PowerTorque
  • AUDI A6 Avant (C9) 3.0 TFSI V6: Power / Torque
  • AUDI A6 Avant (4F/C6) 4.2 FSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Avant (C9)3.0 TFSI V65,500-6,300 rpm1,700-4,000 rpm6,550 rpm
AUDIA6 Avant (4F/C6)4.2 FSI V86,800 rpm3,500 rpm7,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 Avant (4F/C6)4.2 FSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
5.8 s
0-100 km/h
0-62 mph
4.7 s
6.1 s
0-200 km/h
0-124 mph
14.9 s
19.6 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
2.2 s
2.5 s
330 ft
101 m
5.7 s
6.3 s
1/8 mile
201 m
8.4 s
9.4 s
1000 ft
305 m
10.7 s
11.9 s
1/4 mile
402 m
12.7 s
14.1 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
171 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TFSI V6
367 hp
274 kW
AUDIA6 Avant (4F/C6)4.2 FSI V8
350 hp
261 kW

AUDI A6 Avant (C9) 3.0 TFSI V6 has 17 hp more than AUDI A6 Avant (4F/C6) 4.2 FSI V8.

The biggest power difference is between AUDI A6 Avant (4F/C6) 4.2 FSI V8 and AUDI A6 Avant (C9) 3.0 TFSI V6: 17 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TFSI V6
550 Nm
406 lb-ft
AUDIA6 Avant (4F/C6)4.2 FSI V8
440 Nm
325 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TFSI V6
2,000 kg
4,409 lb
AUDIA6 Avant (4F/C6)4.2 FSI V8
1,830 kg
4,034 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 Avant (C9)3.0 TFSI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (4F/C6)4.2 FSI V8
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 Avant (C9)3.0 TFSI V64.7 s
AUDIA6 Avant (4F/C6)4.2 FSI V86.1 s

The biggest 0-100 km/h difference is between AUDI A6 Avant (C9) 3.0 TFSI V6 and AUDI A6 Avant (4F/C6) 4.2 FSI V8: 1.4 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 Avant (C9)3.0 TFSI V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
AUDIA6 Avant (4F/C6)4.2 FSI V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

The biggest fuel consumption difference is between AUDI A6 Avant (C9) 3.0 TFSI V6 and AUDI A6 Avant (4F/C6) 4.2 FSI V8: 3.1 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 Avant (C9)3.0 TFSI V6
184 hp/t
137 kW/t
5.4 kg/hp
AUDIA6 Avant (4F/C6)4.2 FSI V8
191 hp/t
143 kW/t
5.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TFSI V6
782 km
486 mi
AUDIA6 Avant (4F/C6)4.2 FSI V8
734 km
456 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Avant (C9)3.0 TFSI V6
367 hp
274 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (4F/C6)4.2 FSI V8
350 hp
261 kW
6.1 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 Avant (C9)3.0 TFSI V6
Power
367 hp
274 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
466 L
16.5 cu ft
Length
4,999 mm
196.8 in
Height
1,472 mm
58.0 in
AUDIA6 Avant (4F/C6)4.2 FSI V8
Power
350 hp
261 kW
0-100 km/h6.1 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 Avant (C9)3.0 TFSI V6
Power
367 hp
274 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
AUDIA6 Avant (4F/C6)4.2 FSI V8
Power
350 hp
261 kW
0-100 km/h6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

AUDI A6 Avant (C9) 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
AUDIA6 Avant (C9)3.0 TFSI V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
4.7 s
AUDIA6 Avant (4F/C6)4.2 FSI V8
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
6.1 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 Avant (C9)3.0 TFSI V6
184 hp/t
137 kW/t
5.4 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
AUDIA6 Avant (4F/C6)4.2 FSI V8
191 hp/t
143 kW/t
5.2 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 Avant (4F/C6)4.2 FSI V8
Power
367 hp
274 kW
350 hp
261 kW
Torque
550 Nm
406 lb-ft
440 Nm
325 lb-ft
Acceleration
4.7 s
6.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,000 kg
4,409 lb
1,830 kg
4,034 lb
Fuel consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
466 L
16.5 cu ft
Length
4,999 mm
196.8 in
Height
1,472 mm
58.0 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
782 km
486 mi
734 km
456 mi
CO2 score
-
259 g/km
Trunk score
466 L
16.5 cu ft
565 L
20.0 cu ft
Power-to-weight score
184 hp/t
137 kW/t
5.4 kg/hp
191 hp/t
143 kW/t
5.2 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 Avant (C9) 3.0 TFSI V6AUDI A6 Avant (4F/C6) 4.2 FSI V8
Consumption7.8 L/100 km30.2 mpg US36.2 mpg UK10.9 L/100 km21.6 mpg US25.9 mpg UK
Cost / 100 km13.65 LC100 km19.08 LC100 km
Cost / 100 mi21.97 LC100 mi30.70 LC100 mi
Annual fuel used1,170 L309 US gal257 UK gal1,635 L432 US gal360 UK gal
Annual fuel cost2,048 LC/year2,861 LC/year

Head-to-head comparisons

AUDI A6 Avant (C9) 3.0 TFSI V6

  • Has 17 hp more
  • Has 110 Nm more
  • Is 1.4 s quicker from 0-100 km/h
  • Uses 3.1 L/100 km less fuel
  • Has 48 km (30 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 FSI V8

  • Is 170 kg lighter
  • Has 8 hp/t better power-to-weight
  • Has 99 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 Avant (C9) 3.0 TFSI V6
AUDI A6 Avant (4F/C6) 4.2 FSI V8
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2 vehicles selected

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