Car comparison

AUDI A6 Avant (C9) 3.0 TDI V6vsAUDI A6 Avant (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 TDI V6

299 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2025-present
VS

AUDI A6 Avant (C8)

50 TDI V6

286 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2018-2020

Comparison overview

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

Best choices

AUDI A6 Avant (C8) 50 TDI V6

  • Highest torque
    620 Nm
    457 lb-ft
  • Lightest
    1,890 kg
    4,167 lb
  • Best power-to-weight
    151 hp/t
    113 kW/t
    6.6 kg/hp
  • Lowest combined fuel consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Best estimated range
    1,068 km
    663 mi
  • Largest trunk
    565 L
  • Best overall score
    74/100
  • Best economy score
    91/100
  • Best practicality score
    87/100

AUDI A6 Avant (C9) 3.0 TDI V6

  • Quickest 0-100 km/h
    5.3 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    299 hp
    223 kW
  • Best performance score
    68/100

Specification comparison

Specification comparison
ModelAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Avant (C8)50 TDI V6
Power
299hp223kW
286hp213kW
Torque
580Nm428lb-ft
620Nm457lb-ft
Curb weight
2,080kg4,586lb
1,890kg4,167lb
Gross weight
2,710kg5,975lb
2,560kg5,644lb
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
58.6s99% target: 257 km/h / 160 mph
Calculated
63.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
5.7s
0-200 km/h
17.3s
Calculated
18.7s
Calculated
0-60 mph
5.1s
Calculated
5.4s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption city-
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption highway-
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
13.3s
Calculated
13.7s
Calculated
Power-to-weight
144hp/t107kW/t65hp/1000 lb
Calculated
151hp/t113kW/t69hp/1000 lb
Calculated
Torque-to-weight
279Nm/t187lb-ft/ton
Calculated
328Nm/t219lb-ft/ton
Calculated
Estimated range
952km592mi
Calculated
1,068km663mi
Calculated
Displacement
2,967cc181cu in
2,967cc181cu in
Length
4,999mm197in
4,939mm194in
Width
1,875mm74in
1,886mm74in
Height
1,452mm57in
1,467mm58in
Wheelbase
2,923mm115in
2,924mm115in
Front track
1,626mm64in
1,630mm64in
Rear track
1,610mm63in
1,617mm64in
Trunk volume
466L
565L
Max trunk volume
1,497L
-
Doors
5
5
Seats
5
5
Fuel tank
60L
63L
CO2 emissions-
155g/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 TDI V6AUDI A6 Avant (C8) 50 TDI V6PowerTorque
  • AUDI A6 Avant (C9) 3.0 TDI V6: Power / Torque
  • AUDI A6 Avant (C8) 50 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Avant (C9)3.0 TDI V63,620-3,750 rpm1,500-3,620 rpm4,000 rpm
AUDIA6 Avant (C8)50 TDI V63,500-4,000 rpm2,250-3,000 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Avant (C8)50 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.4 s
0-100 km/h
0-62 mph
5.3 s
5.7 s
0-200 km/h
0-124 mph
17.3 s
18.7 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
2.4 s
330 ft
101 m
5.9 s
6.1 s
1/8 mile
201 m
8.8 s
9.1 s
1000 ft
305 m
11.3 s
11.6 s
1/4 mile
402 m
13.3 s
13.7 s
Trap speed
1/4 mile
402 m
178 km/h
110 mph
173 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TDI V6
299 hp
223 kW
AUDIA6 Avant (C8)50 TDI V6
286 hp
213 kW

AUDI A6 Avant (C9) 3.0 TDI V6 has 13 hp more than AUDI A6 Avant (C8) 50 TDI V6.

The biggest power difference is between AUDI A6 Avant (C8) 50 TDI V6 and AUDI A6 Avant (C9) 3.0 TDI V6: 13 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Avant (C9)3.0 TDI V6
580 Nm
428 lb-ft
AUDIA6 Avant (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 TDI V6
2,080 kg
4,586 lb
AUDIA6 Avant (C8)50 TDI V6
1,890 kg
4,167 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 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (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 TDI V65.3 s
AUDIA6 Avant (C8)50 TDI V65.7 s

The biggest 0-100 km/h difference is between AUDI A6 Avant (C9) 3.0 TDI V6 and AUDI A6 Avant (C8) 50 TDI V6: 0.4 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 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
AUDIA6 Avant (C8)50 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

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 TDI V6
144 hp/t
107 kW/t
7.0 kg/hp
AUDIA6 Avant (C8)50 TDI V6
151 hp/t
113 kW/t
6.6 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 TDI V6
952 km
592 mi
AUDIA6 Avant (C8)50 TDI V6
1,068 km
663 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Avant (C9)3.0 TDI V6
299 hp
223 kW
5.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (C8)50 TDI V6
286 hp
213 kW
5.7 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 TDI V6
Power
299 hp
223 kW
0-100 km/h5.3 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
1,452 mm
57.2 in
AUDIA6 Avant (C8)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.7 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
4,939 mm
194.4 in
Height
1,467 mm
57.8 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 TDI V6
Power
299 hp
223 kW
0-100 km/h5.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
AUDIA6 Avant (C8)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

AUDI A6 Avant (C8) 50 TDI 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 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
5.3 s
AUDIA6 Avant (C8)50 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
5.7 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 TDI V6
144 hp/t
107 kW/t
7.0 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
AUDIA6 Avant (C8)50 TDI V6
151 hp/t
113 kW/t
6.6 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Avant (C8)50 TDI V6
Power
299 hp
223 kW
286 hp
213 kW
Torque
580 Nm
428 lb-ft
620 Nm
457 lb-ft
Acceleration
5.3 s
5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
2,080 kg
4,586 lb
1,890 kg
4,167 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
466 L
16.5 cu ft
Length
4,999 mm
196.8 in
Height
1,452 mm
57.2 in
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,939 mm
194.4 in
Height
1,467 mm
57.8 in
Range score
952 km
592 mi
1,068 km
663 mi
CO2 score
-
155 g/km
Trunk score
466 L
16.5 cu ft
565 L
20.0 cu ft
Power-to-weight score
144 hp/t
107 kW/t
7.0 kg/hp
151 hp/t
113 kW/t
6.6 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 TDI V6AUDI A6 Avant (C8) 50 TDI V6
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km11.03 LC100 km10.33 LC100 km
Cost / 100 mi17.74 LC100 mi16.62 LC100 mi
Annual fuel used945 L250 US gal208 UK gal885 L234 US gal195 UK gal
Annual fuel cost1,654 LC/year1,549 LC/year

Head-to-head comparisons

AUDI A6 Avant (C9) 3.0 TDI V6

  • Has 13 hp more
  • Is 0.4 s quicker from 0-100 km/h

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Smallest trunk

AUDI A6 Avant (C8) 50 TDI V6

  • Has 40 Nm more
  • Is 190 kg lighter
  • Uses 0.4 L/100 km less fuel
  • Has 8 hp/t better power-to-weight
  • Has 115 km (72 mi) more estimated range
  • Has 99 L more trunk volume

Pros

  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • 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 TDI V6
AUDI A6 Avant (C8) 50 TDI V6
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