Car comparison

AUDI A6 Sedan (C8) · Facelift 2023 45 TDI V6vsAUDI A6 Avant (C9) 2.0 TDI

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

New comparison

AUDI A6 Sedan (C8) · Facelift 2023

45 TDI V6

245 hp2967 ccDieselAWDAutomaticTurbochargedSedan2023-2025
VS

AUDI A6 Avant (C9)

2.0 TDI

204 hp1968 ccDieselAWDAutomaticTurbochargedWagon / estate2025-present

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Lightest
    1,825 kg
    4,023 lb
  • Best power-to-weight
    134 hp/t
    100 kW/t
    7.4 kg/hp
  • Largest trunk
    520 L
  • Best overall score
    66/100
  • Best performance score
    62/100

AUDI A6 Avant (C9) 2.0 TDI

  • Lowest combined fuel consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Best estimated range
    1,017 km
    632 mi
  • Best economy score
    91/100
  • Best practicality score
    83/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)Facelift 202345 TDI V6AUDIA6 Avant (C9)2.0 TDI
Power
245hp183kW
204hp152kW
Torque
500Nm369lb-ft
400Nm295lb-ft
Curb weight
1,825kg4,023lb
2,000kg4,409lb
Gross weight
2,510kg5,534lb
2,625kg5,787lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
238 km/h
148 mph
To 99% top speed
66.2s99% target: 257 km/h / 160 mph
Calculated
73.3s99% target: 236 km/h / 146 mph
Calculated
0-100 km/h
6.2s
7.0s
0-200 km/h
19.9s
Calculated
26.6s
Calculated
0-60 mph
5.9s
Calculated
6.7s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
14.2s
Calculated
15.0s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
102hp/t76kW/t46hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
200Nm/t134lb-ft/ton
Calculated
Estimated range
913km567mi
Calculated
1,017km632mi
Calculated
Displacement
2,967cc181cu in
1,968cc120cu in
Length
4,939mm194in
4,999mm197in
Width
1,886mm74in
1,875mm74in
Height
1,457mm57in
1,472mm58in
Wheelbase
2,924mm115in
2,923mm115in
Front track
1,630mm64in
1,631mm64in
Rear track
1,617mm64in
1,616mm64in
Trunk volume
520L
466L
Max trunk volume-
1,497L
Doors
4
5
Seats
5
5
Fuel tank
63L
60L

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 Sedan (C8) Facelift 2023 45 TDI V6AUDI A6 Avant (C9) 2.0 TDIPowerTorque
  • AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: Power / Torque
  • AUDI A6 Avant (C9) 2.0 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)Facelift 202345 TDI V63,500-4,750 rpm1,500-3,250 rpm5,000 rpm
AUDIA6 Avant (C9)2.0 TDI3,800-4,200 rpm1,750-3,250 rpm4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)Facelift 202345 TDI V6AUDIA6 Avant (C9)2.0 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.7 s
0-100 km/h
0-62 mph
6.2 s
7.0 s
0-200 km/h
0-124 mph
19.9 s
26.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
238 km/h
148 mph
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.4 s
6.6 s
1/8 mile
201 m
9.4 s
9.9 s
1000 ft
305 m
12.0 s
12.6 s
1/4 mile
402 m
14.2 s
15.0 s
Trap speed
1/4 mile
402 m
170 km/h
106 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW
AUDIA6 Avant (C9)2.0 TDI
204 hp
152 kW

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6 has 41 hp more than AUDI A6 Avant (C9) 2.0 TDI.

The biggest power difference is between AUDI A6 Avant (C9) 2.0 TDI and AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
500 Nm
369 lb-ft
AUDIA6 Avant (C9)2.0 TDI
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
1,825 kg
4,023 lb
AUDIA6 Avant (C9)2.0 TDI
2,000 kg
4,409 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 Sedan (C8)Facelift 202345 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (C9)2.0 TDI
238 km/h
148 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V66.2 s
AUDIA6 Avant (C9)2.0 TDI7.0 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6 and AUDI A6 Avant (C9) 2.0 TDI: 0.8 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 Sedan (C8)Facelift 202345 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
AUDIA6 Avant (C9)2.0 TDI
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

The biggest fuel consumption difference is between AUDI A6 Avant (C9) 2.0 TDI and AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: 1.0 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 Sedan (C8)Facelift 202345 TDI V6
134 hp/t
100 kW/t
7.4 kg/hp
AUDIA6 Avant (C9)2.0 TDI
102 hp/t
76 kW/t
9.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
913 km
567 mi
AUDIA6 Avant (C9)2.0 TDI
1,017 km
632 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (C9)2.0 TDI
204 hp
152 kW
7.0 s
238 km/h
148 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 Sedan (C8)Facelift 202345 TDI V6
Power
245 hp
183 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,939 mm
194.4 in
Height
1,457 mm
57.4 in
AUDIA6 Avant (C9)2.0 TDI
Power
204 hp
152 kW
0-100 km/h7.0 s
Top speed
238 km/h
148 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

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 Sedan (C8)Facelift 202345 TDI V6
Power
245 hp
183 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
AUDIA6 Avant (C9)2.0 TDI
Power
204 hp
152 kW
0-100 km/h7.0 s
Top speed
238 km/h
148 mph
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

AUDI A6 Sedan (C8) Facelift 2023 45 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 Sedan (C8)Facelift 202345 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
6.2 s
AUDIA6 Avant (C9)2.0 TDI
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
7.0 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 Sedan (C8)Facelift 202345 TDI V6
134 hp/t
100 kW/t
7.4 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
AUDIA6 Avant (C9)2.0 TDI
102 hp/t
76 kW/t
9.8 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)Facelift 202345 TDI V6AUDIA6 Avant (C9)2.0 TDI
Power
245 hp
183 kW
204 hp
152 kW
Torque
500 Nm
369 lb-ft
400 Nm
295 lb-ft
Acceleration
6.2 s
7.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
238 km/h
148 mph
Lightness
1,825 kg
4,023 lb
2,000 kg
4,409 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,939 mm
194.4 in
Height
1,457 mm
57.4 in
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
Range score
913 km
567 mi
1,017 km
632 mi
Trunk score
520 L
18.4 cu ft
466 L
16.5 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.4 kg/hp
102 hp/t
76 kW/t
9.8 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 Sedan (C8) Facelift 2023 45 TDI V6AUDI A6 Avant (C9) 2.0 TDI
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km12.08 LC100 km10.33 LC100 km
Cost / 100 mi19.43 LC100 mi16.62 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal885 L234 US gal195 UK gal
Annual fuel cost1,811 LC/year1,549 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6

  • Has 41 hp more
  • Has 100 Nm more
  • Is 175 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 22 km/h (14 mph) higher top speed
  • Has 32 hp/t better power-to-weight
  • Has 54 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption

AUDI A6 Avant (C9) 2.0 TDI

  • Uses 1.0 L/100 km less fuel
  • Has 104 km (65 mi) more estimated range

Pros

  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 45 TDI V6
AUDI A6 Avant (C9) 2.0 TDI
Compare selected cars
2 vehicles selected

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