Car comparison

AUDI A6 Avant (C9) 3.0 TFSI V6vsAUDI A6 allroad (C8) 50 TDI V6

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 allroad (C8)

50 TDI V6

286 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2025

Comparison overview

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

Best choices

AUDI A6 allroad (C8) 50 TDI V6

  • Highest torque
    620 Nm
    457 lb-ft
  • Lightest
    1,945 kg
    4,288 lb
  • Lowest combined fuel consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Best estimated range
    887 km
    551 mi
  • Largest trunk
    550 L
  • Best economy score
    88/100
  • Best practicality score
    86/100

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
  • Best power-to-weight
    184 hp/t
    137 kW/t
    5.4 kg/hp
  • Best overall score
    76/100
  • Best performance score
    73/100

Specification comparison

Specification comparison
ModelAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 allroad (C8)50 TDI V6
Power
367hp274kW
286hp213kW
Torque
550Nm406lb-ft
620Nm457lb-ft
Curb weight
2,000kg4,409lb
1,945kg4,288lb
Gross weight
2,645kg5,831lb
2,625kg5,787lb
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
68.3s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
5.8s
0-200 km/h
14.9s
Calculated
19.5s
Calculated
0-60 mph
4.5s
Calculated
5.5s
Calculated
Fuel consumption
7.8L/100 km30.2mpg US36.2mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.7s
Calculated
13.8s
Calculated
Power-to-weight
184hp/t137kW/t83hp/1000 lb
Calculated
147hp/t110kW/t67hp/1000 lb
Calculated
Torque-to-weight
275Nm/t184lb-ft/ton
Calculated
319Nm/t213lb-ft/ton
Calculated
Estimated range
782km486mi
Calculated
887km551mi
Calculated
Displacement
2,995cc183cu in
2,967cc181cu in
Length
4,999mm197in
4,951mm195in
Width
1,875mm74in
1,902mm75in
Height
1,472mm58in
1,542mm61in
Wheelbase
2,923mm115in
2,925mm115in
Front track
1,626mm64in
1,645mm65in
Rear track
1,610mm63in
1,611mm63in
Ground clearance-
184mm7in
Trunk volume
466L
550L
Max trunk volume
1,497L
1,660L
Doors
5
5
Seats
5
5
Fuel tank
61L
63L

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 allroad (C8) 50 TDI V6PowerTorque
  • AUDI A6 Avant (C9) 3.0 TFSI V6: Power / Torque
  • AUDI A6 allroad (C8) 50 TDI V6: 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 allroad (C8)50 TDI V63,500-4,000 rpm1,750-3,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 allroad (C8)50 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
5.5 s
0-100 km/h
0-62 mph
4.7 s
5.8 s
0-200 km/h
0-124 mph
14.9 s
19.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.7 s
6.1 s
1/8 mile
201 m
8.4 s
9.1 s
1000 ft
305 m
10.7 s
11.7 s
1/4 mile
402 m
12.7 s
13.8 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 allroad (C8)50 TDI V6
286 hp
213 kW

AUDI A6 Avant (C9) 3.0 TFSI V6 has 81 hp more than AUDI A6 allroad (C8) 50 TDI V6.

The biggest power difference is between AUDI A6 allroad (C8) 50 TDI V6 and AUDI A6 Avant (C9) 3.0 TFSI V6: 81 hp (60 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 allroad (C8)50 TDI V6
620 Nm
457 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 allroad (C8)50 TDI V6
1,945 kg
4,288 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 allroad (C8)50 TDI 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
AUDIA6 Avant (C9)3.0 TFSI V64.7 s
AUDIA6 allroad (C8)50 TDI V65.8 s

The biggest 0-100 km/h difference is between AUDI A6 Avant (C9) 3.0 TFSI V6 and AUDI A6 allroad (C8) 50 TDI V6: 1.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TFSI V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
AUDIA6 allroad (C8)50 TDI V6
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

The biggest fuel consumption difference is between AUDI A6 allroad (C8) 50 TDI V6 and AUDI A6 Avant (C9) 3.0 TFSI V6: 0.7 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 allroad (C8)50 TDI V6
147 hp/t
110 kW/t
6.8 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 allroad (C8)50 TDI V6
887 km
551 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 allroad (C8)50 TDI V6
286 hp
213 kW
5.8 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 allroad (C8)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.8 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

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 allroad (C8)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.1 L/100 km
33.1 mpg US
39.8 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 allroad (C8)50 TDI V6
7.1 L/100 km
33.1 mpg US
39.8 mpg UK
5.8 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 allroad (C8)50 TDI V6
147 hp/t
110 kW/t
6.8 kg/hp
7.1 L/100 km
33.1 mpg US
39.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Avant (C9)3.0 TFSI V6AUDIA6 allroad (C8)50 TDI V6
Power
367 hp
274 kW
286 hp
213 kW
Torque
550 Nm
406 lb-ft
620 Nm
457 lb-ft
Acceleration
4.7 s
5.8 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
1,945 kg
4,288 lb
Fuel consumption
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
7.1 L/100 km
33.1 mpg US
39.8 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
550 L
19.4 cu ft
Length
4,951 mm
194.9 in
Height
1,542 mm
60.7 in
Range score
782 km
486 mi
887 km
551 mi
Trunk score
466 L
16.5 cu ft
550 L
19.4 cu ft
Power-to-weight score
184 hp/t
137 kW/t
5.4 kg/hp
147 hp/t
110 kW/t
6.8 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 allroad (C8) 50 TDI V6
Consumption7.8 L/100 km30.2 mpg US36.2 mpg UK7.1 L/100 km33.1 mpg US39.8 mpg UK
Cost / 100 km13.65 LC100 km12.42 LC100 km
Cost / 100 mi21.97 LC100 mi20.00 LC100 mi
Annual fuel used1,170 L309 US gal257 UK gal1,065 L281 US gal234 UK gal
Annual fuel cost2,048 LC/year1,864 LC/year

Head-to-head comparisons

AUDI A6 Avant (C9) 3.0 TFSI V6

  • Has 81 hp more
  • Is 1.1 s quicker from 0-100 km/h
  • Has 36 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

AUDI A6 allroad (C8) 50 TDI V6

  • Has 70 Nm more
  • Is 55 kg lighter
  • Uses 0.7 L/100 km less fuel
  • Has 105 km (65 mi) more estimated range
  • Has 84 L more trunk volume

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Avant (C9) 3.0 TFSI V6
AUDI A6 allroad (C8) 50 TDI V6
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