Car comparison

AUDI A6 Avant (C9) 3.0 TDI V6vsAUDI A6 Sedan (C8) 45 TFSI

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 Sedan (C8)

45 TFSI

265 hp1984 ccGasolineAWDAutomaticTurbochargedSedan2020-2023

Comparison overview

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

Best choices

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
  • Highest torque
    580 Nm
    428 lb-ft
  • Lowest combined fuel consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Best estimated range
    952 km
    592 mi
  • Best overall score
    73/100
  • Best performance score
    68/100
  • Best economy score
    90/100
  • Best practicality score
    83/100

Specification comparison

Specification comparison
ModelAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Sedan (C8)45 TFSI
Power
299hp223kW
265hp198kW
Torque
580Nm428lb-ft
370Nm273lb-ft
Curb weight
2,080kg4,586lb
1,705kg3,759lb
Gross weight
2,710kg5,975lb
2,340kg5,159lb
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
61.5s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.3s
6.0s
0-200 km/h
17.3s
Calculated
18.8s
Calculated
0-60 mph
5.1s
Calculated
5.7s
Calculated
Fuel consumption
6.3L/100 km37.3mpg US44.8mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption city-
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption highway-
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
13.3s
Calculated
14.0s
Calculated
Power-to-weight
144hp/t107kW/t65hp/1000 lb
Calculated
155hp/t116kW/t70hp/1000 lb
Calculated
Torque-to-weight
279Nm/t187lb-ft/ton
Calculated
217Nm/t145lb-ft/ton
Calculated
Estimated range
952km592mi
Calculated
900km559mi
Calculated
Displacement
2,967cc181cu in
1,984cc121cu in
Length
4,999mm197in
4,939mm194in
Width
1,875mm74in
1,886mm74in
Height
1,452mm57in
1,457mm57in
Wheelbase
2,923mm115in
2,924mm115in
Front track
1,626mm64in
1,630mm64in
Rear track
1,610mm63in
1,617mm64in
Trunk volume
466L
530L
Max trunk volume
1,497L
-
Doors
5
4
Seats
5
5
Fuel tank
60L
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 TDI V6AUDI A6 Sedan (C8) 45 TFSIPowerTorque
  • AUDI A6 Avant (C9) 3.0 TDI V6: Power / Torque
  • AUDI A6 Sedan (C8) 45 TFSI: 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 Sedan (C8)45 TFSI5,250-6,500 rpm1,600-4,300 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Sedan (C8)45 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
5.7 s
0-100 km/h
0-62 mph
5.3 s
6.0 s
0-200 km/h
0-124 mph
17.3 s
18.8 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
2.3 s
2.5 s
330 ft
101 m
5.9 s
6.3 s
1/8 mile
201 m
8.8 s
9.3 s
1000 ft
305 m
11.3 s
11.9 s
1/4 mile
402 m
13.3 s
14.0 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 Sedan (C8)45 TFSI
265 hp
198 kW

AUDI A6 Avant (C9) 3.0 TDI V6 has 34 hp more than AUDI A6 Sedan (C8) 45 TFSI.

The biggest power difference is between AUDI A6 Sedan (C8) 45 TFSI and AUDI A6 Avant (C9) 3.0 TDI V6: 34 hp (25 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 Sedan (C8)45 TFSI
370 Nm
273 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 Sedan (C8)45 TFSI
1,705 kg
3,759 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 Sedan (C8)45 TFSI
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 Sedan (C8)45 TFSI6.0 s

The biggest 0-100 km/h difference is between AUDI A6 Avant (C9) 3.0 TDI V6 and AUDI A6 Sedan (C8) 45 TFSI: 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
AUDIA6 Avant (C9)3.0 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
AUDIA6 Sedan (C8)45 TFSI
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

The biggest fuel consumption difference is between AUDI A6 Avant (C9) 3.0 TDI V6 and AUDI A6 Sedan (C8) 45 TFSI: 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 TDI V6
144 hp/t
107 kW/t
7.0 kg/hp
AUDIA6 Sedan (C8)45 TFSI
155 hp/t
116 kW/t
6.4 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 Sedan (C8)45 TFSI
900 km
559 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 Sedan (C8)45 TFSI
265 hp
198 kW
6.0 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 Sedan (C8)45 TFSI
Power
265 hp
198 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,939 mm
194.4 in
Height
1,457 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
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 Sedan (C8)45 TFSI
Power
265 hp
198 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

AUDI A6 Avant (C9) 3.0 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 Sedan (C8)45 TFSI
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
6.0 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 Sedan (C8)45 TFSI
155 hp/t
116 kW/t
6.4 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Avant (C9)3.0 TDI V6AUDIA6 Sedan (C8)45 TFSI
Power
299 hp
223 kW
265 hp
198 kW
Torque
580 Nm
428 lb-ft
370 Nm
273 lb-ft
Acceleration
5.3 s
6.0 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
1,705 kg
3,759 lb
Fuel consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
7.0 L/100 km
33.6 mpg US
40.4 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
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,939 mm
194.4 in
Height
1,457 mm
57.4 in
Range score
952 km
592 mi
900 km
559 mi
Trunk score
466 L
16.5 cu ft
530 L
18.7 cu ft
Power-to-weight score
144 hp/t
107 kW/t
7.0 kg/hp
155 hp/t
116 kW/t
6.4 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 Avant (C9) 3.0 TDI V6AUDI A6 Sedan (C8) 45 TFSI
Consumption6.3 L/100 km37.3 mpg US44.8 mpg UK7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km11.03 LC100 km12.25 LC100 km
Cost / 100 mi17.74 LC100 mi19.71 LC100 mi
Annual fuel used945 L250 US gal208 UK gal1,050 L277 US gal231 UK gal
Annual fuel cost1,654 LC/year1,838 LC/year

Head-to-head comparisons

AUDI A6 Avant (C9) 3.0 TDI V6

  • Has 34 hp more
  • Has 210 Nm more
  • Is 0.7 s quicker from 0-100 km/h
  • Uses 0.7 L/100 km less fuel
  • Has 52 km (33 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 Sedan (C8) 45 TFSI

  • Is 375 kg lighter
  • Has 12 hp/t better power-to-weight
  • Has 64 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 TDI V6
AUDI A6 Sedan (C8) 45 TFSI
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