Car comparison

AUDI A6 Sedan (C8) · Facelift 2023 40 TDIvsAUDI A6 Avant (C9) 2.0 TFSI

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

New comparison

AUDI A6 Sedan (C8) · Facelift 2023

40 TDI

204 hp1968 ccDieselFWDAutomaticTurbochargedSedan2023-2025
VS

AUDI A6 Avant (C9)

2.0 TFSI

204 hp1984 ccGasolineFWDAutomaticTurbochargedWagon / 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 40 TDI

  • Quickest 0-100 km/h
    7.9 s
  • Fastest top speed
    246 km/h
    153 mph
  • Most powerful
    204 hp
    152 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    124 hp/t
    93 kW/t
    8.0 kg/hp
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • Best estimated range
    1,050 km
    652 mi
  • Largest trunk
    530 L
  • Best overall score
    61/100
  • Best performance score
    53/100
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)Facelift 202340 TDIAUDIA6 Avant (C9)2.0 TFSI
Power
204hp152kW
204hp152kW
Torque
400Nm295lb-ft
340Nm251lb-ft
Curb weight
1,640kg3,616lb
1,790kg3,946lb
Gross weight
2,255kg4,971lb
2,415kg5,324lb
Top speed
246 km/h
153 mph
240 km/h
149 mph
To 99% top speed
78.4s99% target: 244 km/h / 151 mph
Calculated
84.7s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
7.9s
8.3s
0-200 km/h
27.0s
Calculated
30.5s
Calculated
0-60 mph
7.5s
Calculated
7.9s
Calculated
Fuel consumption
6L/100 km39.2mpg US47.1mpg UK
8L/100 km29.4mpg US35.3mpg UK
Quarter mile
15.7s
Calculated
16.0s
Calculated
Power-to-weight
124hp/t93kW/t56hp/1000 lb
Calculated
114hp/t85kW/t52hp/1000 lb
Calculated
Torque-to-weight
244Nm/t163lb-ft/ton
Calculated
190Nm/t127lb-ft/ton
Calculated
Estimated range
1,050km652mi
Calculated
763km474mi
Calculated
Displacement
1,968cc120cu in
1,984cc121cu 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
530L
503L
Max trunk volume
995L
1,534L
Doors
4
5
Seats
5
5
Fuel tank
63L
61L

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 40 TDIAUDI A6 Avant (C9) 2.0 TFSIPowerTorque
  • AUDI A6 Sedan (C8) Facelift 2023 40 TDI: Power / Torque
  • AUDI A6 Avant (C9) 2.0 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)Facelift 202340 TDI3,800-4,200 rpm1,750-3,250 rpm4,450 rpm
AUDIA6 Avant (C9)2.0 TFSI4,300-6,000 rpm2,000-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)Facelift 202340 TDIAUDIA6 Avant (C9)2.0 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
7.5 s
7.9 s
0-100 km/h
0-62 mph
7.9 s
8.3 s
0-200 km/h
0-124 mph
27.0 s
30.5 s
Top speed
246 km/h
153 mph
240 km/h
149 mph
Drag race simulation
60 ft
18 m
2.8 s
2.8 s
330 ft
101 m
7.1 s
7.2 s
1/8 mile
201 m
10.5 s
10.6 s
1000 ft
305 m
13.3 s
13.6 s
1/4 mile
402 m
15.7 s
16.0 s
Trap speed
1/4 mile
402 m
155 km/h
97 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202340 TDI
204 hp
152 kW
AUDIA6 Avant (C9)2.0 TFSI
204 hp
152 kW

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202340 TDI
400 Nm
295 lb-ft
AUDIA6 Avant (C9)2.0 TFSI
340 Nm
251 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202340 TDI
1,640 kg
3,616 lb
AUDIA6 Avant (C9)2.0 TFSI
1,790 kg
3,946 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 202340 TDI
246 km/h
153 mph
AUDIA6 Avant (C9)2.0 TFSI
240 km/h
149 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 202340 TDI7.9 s
AUDIA6 Avant (C9)2.0 TFSI8.3 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) Facelift 2023 40 TDI and AUDI A6 Avant (C9) 2.0 TFSI: 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 Sedan (C8)Facelift 202340 TDI
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
AUDIA6 Avant (C9)2.0 TFSI
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) Facelift 2023 40 TDI and AUDI A6 Avant (C9) 2.0 TFSI: 2.0 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 202340 TDI
124 hp/t
93 kW/t
8.0 kg/hp
AUDIA6 Avant (C9)2.0 TFSI
114 hp/t
85 kW/t
8.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202340 TDI
1,050 km
652 mi
AUDIA6 Avant (C9)2.0 TFSI
763 km
474 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)Facelift 202340 TDI
204 hp
152 kW
7.9 s
246 km/h
153 mph
AUDIA6 Avant (C9)2.0 TFSI
204 hp
152 kW
8.3 s
240 km/h
149 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 202340 TDI
Power
204 hp
152 kW
0-100 km/h7.9 s
Top speed
246 km/h
153 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
AUDIA6 Avant (C9)2.0 TFSI
Power
204 hp
152 kW
0-100 km/h8.3 s
Top speed
240 km/h
149 mph
Doors/seats
5 doors
5 seats
Trunk
503 L
17.8 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 202340 TDI
Power
204 hp
152 kW
0-100 km/h7.9 s
Top speed
246 km/h
153 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
AUDIA6 Avant (C9)2.0 TFSI
Power
204 hp
152 kW
0-100 km/h8.3 s
Top speed
240 km/h
149 mph
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

AUDI A6 Sedan (C8) Facelift 2023 40 TDI 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 202340 TDI
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
7.9 s
AUDIA6 Avant (C9)2.0 TFSI
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
8.3 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 202340 TDI
124 hp/t
93 kW/t
8.0 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
AUDIA6 Avant (C9)2.0 TFSI
114 hp/t
85 kW/t
8.8 kg/hp
8.0 L/100 km
29.4 mpg US
35.3 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)Facelift 202340 TDIAUDIA6 Avant (C9)2.0 TFSI
Power
204 hp
152 kW
204 hp
152 kW
Torque
400 Nm
295 lb-ft
340 Nm
251 lb-ft
Acceleration
7.9 s
8.3 s
Top speed
246 km/h
153 mph
240 km/h
149 mph
Lightness
1,640 kg
3,616 lb
1,790 kg
3,946 lb
Fuel consumption
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
Practicality
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
Doors/seats
5 doors
5 seats
Trunk
503 L
17.8 cu ft
Length
4,999 mm
196.8 in
Height
1,472 mm
58.0 in
Range score
1,050 km
652 mi
763 km
474 mi
Trunk score
530 L
18.7 cu ft
503 L
17.8 cu ft
Power-to-weight score
124 hp/t
93 kW/t
8.0 kg/hp
114 hp/t
85 kW/t
8.8 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 40 TDIAUDI A6 Avant (C9) 2.0 TFSI
Consumption6 L/100 km39.2 mpg US47.1 mpg UK8 L/100 km29.4 mpg US35.3 mpg UK
Cost / 100 km10.50 LC100 km14.00 LC100 km
Cost / 100 mi16.90 LC100 mi22.53 LC100 mi
Annual fuel used900 L238 US gal198 UK gal1,200 L317 US gal264 UK gal
Annual fuel cost1,575 LC/year2,100 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) Facelift 2023 40 TDI

  • Has 60 Nm more
  • Is 150 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 6 km/h (4 mph) higher top speed
  • Uses 2.0 L/100 km less fuel
  • Has 10 hp/t better power-to-weight
  • Has 288 km (179 mi) more estimated range
  • Has 27 L more trunk volume

Pros

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

AUDI A6 Avant (C9) 2.0 TFSI

No measurable advantages in the available data.

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 40 TDI
AUDI A6 Avant (C9) 2.0 TFSI
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2 vehicles selected

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AUDI A6 Sedan (C8) · Facelift 2023 40 TDI vs AUDI A6 Avant (C9) 2.0 TFSI - car comparison - FastVsFaster