Car comparison

AUDI A6 allroad (C8) 45 TDI V6vsAUDI A6 Sedan (C8) 40 TDI

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

New comparison

AUDI A6 allroad (C8)

45 TDI V6

231 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2019-2020
VS

AUDI A6 Sedan (C8)

40 TDI

204 hp1968 ccDieselAWDAutomaticTurbochargedSedan2018-2023

Comparison overview

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

Best choices

AUDI A6 allroad (C8) 45 TDI V6

  • Quickest 0-100 km/h
    6.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    231 hp
    172 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Largest trunk
    565 L
  • Best overall score
    68/100
  • Best performance score
    59/100
  • Best practicality score
    87/100

AUDI A6 Sedan (C8) 40 TDI

  • Lightest
    1,705 kg
    3,759 lb
  • Best power-to-weight
    120 hp/t
    89 kW/t
    8.4 kg/hp
  • Lowest combined fuel consumption
    4.6 L/100 km
    51.1 mpg US
    61.4 mpg UK
  • Lowest city consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Lowest highway consumption
    4.4 L/100 km
    53.5 mpg US
    64.2 mpg UK
  • Best estimated range
    1,370 km
    851 mi
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelAUDIA6 allroad (C8)45 TDI V6AUDIA6 Sedan (C8)40 TDI
Power
231hp172kW
204hp152kW
Torque
500Nm369lb-ft
400Nm295lb-ft
Curb weight
1,945kg4,288lb
1,705kg3,759lb
Gross weight
2,625kg5,787lb
2,325kg5,126lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
246 km/h
153 mph
To 99% top speed
83.4s99% target: 257 km/h / 160 mph
Calculated
76.3s99% target: 244 km/h / 151 mph
Calculated
0-100 km/h
6.7s
7.6s
0-200 km/h
23.1s
Calculated
26.2s
Calculated
0-60 mph
6.4s
Calculated
7.2s
Calculated
Fuel consumption
5.9L/100 km39.9mpg US47.9mpg UK
4.6L/100 km51.1mpg US61.4mpg UK
Fuel consumption city
6.6L/100 km35.6mpg US42.8mpg UK
4.9L/100 km48mpg US57.6mpg UK
Fuel consumption highway
5.6L/100 km42mpg US50.4mpg UK
4.4L/100 km53.5mpg US64.2mpg UK
Quarter mile
14.7s
Calculated
15.4s
Calculated
Power-to-weight
119hp/t89kW/t54hp/1000 lb
Calculated
120hp/t89kW/t54hp/1000 lb
Calculated
Torque-to-weight
257Nm/t172lb-ft/ton
Calculated
235Nm/t157lb-ft/ton
Calculated
Estimated range
1,068km663mi
Calculated
1,370km851mi
Calculated
Displacement
2,967cc181cu in
1,968cc120cu in
Length
4,951mm195in
4,939mm194in
Width
1,902mm75in
1,886mm74in
Height
1,542mm61in
1,457mm57in
Wheelbase
2,925mm115in
2,924mm115in
Front track
1,645mm65in
1,630mm64in
Rear track
1,611mm63in
1,617mm64in
Ground clearance
184mm7in
-
Trunk volume
565L
530L
Max trunk volume
1,680L
-
Doors
5
4
Seats
5
5
Fuel tank
63L
63L
CO2 emissions-
120g/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 allroad (C8) 45 TDI V6AUDI A6 Sedan (C8) 40 TDIPowerTorque
  • AUDI A6 allroad (C8) 45 TDI V6: Power / Torque
  • AUDI A6 Sedan (C8) 40 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 allroad (C8)45 TDI V63,250-4,700 rpm1,750-3,250 rpm4,950 rpm
AUDIA6 Sedan (C8)40 TDI3,750-4,200 rpm1,750-3,000 rpm4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 allroad (C8)45 TDI V6AUDIA6 Sedan (C8)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.4 s
7.2 s
0-100 km/h
0-62 mph
6.7 s
7.6 s
0-200 km/h
0-124 mph
23.1 s
26.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
246 km/h
153 mph
Drag race simulation
60 ft
18 m
2.5 s
2.8 s
330 ft
101 m
6.5 s
7.0 s
1/8 mile
201 m
9.7 s
10.3 s
1000 ft
305 m
12.4 s
13.1 s
1/4 mile
402 m
14.7 s
15.4 s
Trap speed
1/4 mile
402 m
162 km/h
101 mph
157 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)45 TDI V6
231 hp
172 kW
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW

AUDI A6 allroad (C8) 45 TDI V6 has 27 hp more than AUDI A6 Sedan (C8) 40 TDI.

The biggest power difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 allroad (C8) 45 TDI V6: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)45 TDI V6
500 Nm
369 lb-ft
AUDIA6 Sedan (C8)40 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 allroad (C8)45 TDI V6
1,945 kg
4,288 lb
AUDIA6 Sedan (C8)40 TDI
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 allroad (C8)45 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Sedan (C8)40 TDI
246 km/h
153 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)45 TDI V66.7 s
AUDIA6 Sedan (C8)40 TDI7.6 s

The biggest 0-100 km/h difference is between AUDI A6 allroad (C8) 45 TDI V6 and AUDI A6 Sedan (C8) 40 TDI: 0.9 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 allroad (C8)45 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
AUDIA6 Sedan (C8)40 TDI
4.6 L/100 km
51.1 mpg US
61.4 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 allroad (C8) 45 TDI V6: 1.3 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 allroad (C8)45 TDI V6
119 hp/t
89 kW/t
8.4 kg/hp
AUDIA6 Sedan (C8)40 TDI
120 hp/t
89 kW/t
8.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C8)45 TDI V6
1,068 km
663 mi
AUDIA6 Sedan (C8)40 TDI
1,370 km
851 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 allroad (C8)45 TDI V6
231 hp
172 kW
6.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW
7.6 s
246 km/h
153 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 allroad (C8)45 TDI V6
Power
231 hp
172 kW
0-100 km/h6.7 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
4,951 mm
194.9 in
Height
1,542 mm
60.7 in
AUDIA6 Sedan (C8)40 TDI
Power
204 hp
152 kW
0-100 km/h7.6 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

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 allroad (C8)45 TDI V6
Power
231 hp
172 kW
0-100 km/h6.7 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
AUDIA6 Sedan (C8)40 TDI
Power
204 hp
152 kW
0-100 km/h7.6 s
Top speed
246 km/h
153 mph
4.6 L/100 km
51.1 mpg US
61.4 mpg UK

AUDI A6 allroad (C8) 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 allroad (C8)45 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
6.7 s
AUDIA6 Sedan (C8)40 TDI
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
7.6 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 allroad (C8)45 TDI V6
119 hp/t
89 kW/t
8.4 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
AUDIA6 Sedan (C8)40 TDI
120 hp/t
89 kW/t
8.4 kg/hp
4.6 L/100 km
51.1 mpg US
61.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 allroad (C8)45 TDI V6AUDIA6 Sedan (C8)40 TDI
Power
231 hp
172 kW
204 hp
152 kW
Torque
500 Nm
369 lb-ft
400 Nm
295 lb-ft
Acceleration
6.7 s
7.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
246 km/h
153 mph
Lightness
1,945 kg
4,288 lb
1,705 kg
3,759 lb
Fuel consumption
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,951 mm
194.9 in
Height
1,542 mm
60.7 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
1,068 km
663 mi
1,370 km
851 mi
CO2 score
-
120 g/km
Trunk score
565 L
20.0 cu ft
530 L
18.7 cu ft
Power-to-weight score
119 hp/t
89 kW/t
8.4 kg/hp
120 hp/t
89 kW/t
8.4 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 allroad (C8) 45 TDI V6AUDI A6 Sedan (C8) 40 TDI
Consumption5.9 L/100 km39.9 mpg US47.9 mpg UK4.6 L/100 km51.1 mpg US61.4 mpg UK
Cost / 100 km10.33 LC100 km8.05 LC100 km
Cost / 100 mi16.62 LC100 mi12.96 LC100 mi
Annual fuel used885 L234 US gal195 UK gal690 L182 US gal152 UK gal
Annual fuel cost1,549 LC/year1,208 LC/year

Head-to-head comparisons

AUDI A6 allroad (C8) 45 TDI V6

  • Has 27 hp more
  • Has 100 Nm more
  • Is 0.9 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Has 35 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Heaviest

AUDI A6 Sedan (C8) 40 TDI

  • Is 240 kg lighter
  • Uses 1.3 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 302 km (188 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 allroad (C8) 45 TDI V6
AUDI A6 Sedan (C8) 40 TDI
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