Car comparison

AUDI A6 allroad (C9) 3.0 TDI V6vsAUDI A6 allroad (C8) 40 TDI

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

New comparison

AUDI A6 allroad (C9)

3.0 TDI V6

299 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2026-present
VS

AUDI A6 allroad (C8)

40 TDI

204 hp1968 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2025

Comparison overview

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

Best choices

AUDI A6 allroad (C9) 3.0 TDI V6

  • Quickest 0-100 km/h
    5.4 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
  • Best power-to-weight
    141 hp/t
    105 kW/t
    7.1 kg/hp
  • Lowest combined fuel consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Best overall score
    72/100
  • Best performance score
    67/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelAUDIA6 allroad (C9)3.0 TDI V6AUDIA6 allroad (C8)40 TDI
Power
299hp223kW
204hp152kW
Torque
580Nm428lb-ft
400Nm295lb-ft
Curb weight
2,120kg4,674lb
1,825kg4,023lb
Gross weight
2,730kg6,019lb
2,500kg5,512lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
237 km/h
147 mph
To 99% top speed
66.0s99% target: 257 km/h / 160 mph
Calculated
83.9s99% target: 235 km/h / 146 mph
Calculated
0-100 km/h
5.4s
7.8s
0-200 km/h
18.5s
Calculated
30.5s
Calculated
0-60 mph
5.1s
Calculated
7.4s
Calculated
Fuel consumption
6.4L/100 km36.8mpg US44.1mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Quarter mile
13.5s
Calculated
15.6s
Calculated
Power-to-weight
141hp/t105kW/t64hp/1000 lb
Calculated
112hp/t83kW/t51hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
219Nm/t147lb-ft/ton
Calculated
Estimated range
938km583mi
Calculated
969km602mi
Calculated
Displacement
2,967cc181cu in
1,968cc120cu in
Length
5,016mm197in
4,951mm195in
Width
1,986mm78in
1,902mm75in
Height
1,508mm59in
1,542mm61in
Wheelbase
2,932mm115in
2,925mm115in
Front track
1,700mm67in
1,645mm65in
Rear track
1,680mm66in
1,611mm63in
Ground clearance-
184mm7in
Trunk volume
466L
565L
Max trunk volume
1,497L
1,680L
Doors
5
5
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 allroad (C9) 3.0 TDI V6AUDI A6 allroad (C8) 40 TDIPowerTorque
  • AUDI A6 allroad (C9) 3.0 TDI V6: Power / Torque
  • AUDI A6 allroad (C8) 40 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 allroad (C9)3.0 TDI V63,620-3,750 rpm1,500-3,620 rpm4,000 rpm
AUDIA6 allroad (C8)40 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 allroad (C9)3.0 TDI V6AUDIA6 allroad (C8)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.1 s
7.4 s
0-100 km/h
0-62 mph
5.4 s
7.8 s
0-200 km/h
0-124 mph
18.5 s
30.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
237 km/h
147 mph
Drag race simulation
60 ft
18 m
2.3 s
2.7 s
330 ft
101 m
5.9 s
6.9 s
1/8 mile
201 m
8.9 s
10.3 s
1000 ft
305 m
11.4 s
13.2 s
1/4 mile
402 m
13.5 s
15.6 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
152 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C9)3.0 TDI V6
299 hp
223 kW
AUDIA6 allroad (C8)40 TDI
204 hp
152 kW

AUDI A6 allroad (C9) 3.0 TDI V6 has 95 hp more than AUDI A6 allroad (C8) 40 TDI.

The biggest power difference is between AUDI A6 allroad (C8) 40 TDI and AUDI A6 allroad (C9) 3.0 TDI V6: 95 hp (71 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C9)3.0 TDI V6
580 Nm
428 lb-ft
AUDIA6 allroad (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 (C9)3.0 TDI V6
2,120 kg
4,674 lb
AUDIA6 allroad (C8)40 TDI
1,825 kg
4,023 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 (C9)3.0 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 allroad (C8)40 TDI
237 km/h
147 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C9)3.0 TDI V65.4 s
AUDIA6 allroad (C8)40 TDI7.8 s

The biggest 0-100 km/h difference is between AUDI A6 allroad (C9) 3.0 TDI V6 and AUDI A6 allroad (C8) 40 TDI: 2.4 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 allroad (C9)3.0 TDI V6
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
AUDIA6 allroad (C8)40 TDI
6.5 L/100 km
36.2 mpg US
43.5 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 allroad (C9)3.0 TDI V6
141 hp/t
105 kW/t
7.1 kg/hp
AUDIA6 allroad (C8)40 TDI
112 hp/t
83 kW/t
8.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 allroad (C9)3.0 TDI V6
938 km
583 mi
AUDIA6 allroad (C8)40 TDI
969 km
602 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 allroad (C9)3.0 TDI V6
299 hp
223 kW
5.4 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 allroad (C8)40 TDI
204 hp
152 kW
7.8 s
237 km/h
147 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 (C9)3.0 TDI V6
Power
299 hp
223 kW
0-100 km/h5.4 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
5,016 mm
197.5 in
Height
1,508 mm
59.4 in
AUDIA6 allroad (C8)40 TDI
Power
204 hp
152 kW
0-100 km/h7.8 s
Top speed
237 km/h
147 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

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 (C9)3.0 TDI V6
Power
299 hp
223 kW
0-100 km/h5.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
AUDIA6 allroad (C8)40 TDI
Power
204 hp
152 kW
0-100 km/h7.8 s
Top speed
237 km/h
147 mph
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

AUDI A6 allroad (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 allroad (C9)3.0 TDI V6
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
5.4 s
AUDIA6 allroad (C8)40 TDI
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
7.8 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 (C9)3.0 TDI V6
141 hp/t
105 kW/t
7.1 kg/hp
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
AUDIA6 allroad (C8)40 TDI
112 hp/t
83 kW/t
8.9 kg/hp
6.5 L/100 km
36.2 mpg US
43.5 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 allroad (C9)3.0 TDI V6AUDIA6 allroad (C8)40 TDI
Power
299 hp
223 kW
204 hp
152 kW
Torque
580 Nm
428 lb-ft
400 Nm
295 lb-ft
Acceleration
5.4 s
7.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
237 km/h
147 mph
Lightness
2,120 kg
4,674 lb
1,825 kg
4,023 lb
Fuel consumption
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
466 L
16.5 cu ft
Length
5,016 mm
197.5 in
Height
1,508 mm
59.4 in
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
Range score
938 km
583 mi
969 km
602 mi
Trunk score
466 L
16.5 cu ft
565 L
20.0 cu ft
Power-to-weight score
141 hp/t
105 kW/t
7.1 kg/hp
112 hp/t
83 kW/t
8.9 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 (C9) 3.0 TDI V6AUDI A6 allroad (C8) 40 TDI
Consumption6.4 L/100 km36.8 mpg US44.1 mpg UK6.5 L/100 km36.2 mpg US43.5 mpg UK
Cost / 100 km11.20 LC100 km11.38 LC100 km
Cost / 100 mi18.02 LC100 mi18.31 LC100 mi
Annual fuel used960 L254 US gal211 UK gal975 L258 US gal214 UK gal
Annual fuel cost1,680 LC/year1,706 LC/year

Head-to-head comparisons

AUDI A6 allroad (C9) 3.0 TDI V6

  • Has 95 hp more
  • Has 180 Nm more
  • Is 2.4 s quicker from 0-100 km/h
  • Has 23 km/h (14 mph) higher top speed
  • Uses 0.1 L/100 km less fuel
  • Has 29 hp/t better power-to-weight

Pros

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

Cons

  • Heaviest
  • Smallest trunk

AUDI A6 allroad (C8) 40 TDI

  • Is 295 kg lighter
  • Has 32 km (20 mi) more estimated range
  • Has 99 L more trunk volume

Pros

  • Lightest
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 allroad (C9) 3.0 TDI V6
AUDI A6 allroad (C8) 40 TDI
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2 vehicles selected

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