Car comparison

AUDI A6 Sedan (C8) 45 TFSIvsAUDI A6 allroad (C8) 45 TDI V6

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

New comparison

AUDI A6 Sedan (C8)

45 TFSI

245 hp1984 ccGasolineAWDAutomaticTurbochargedSedan2019-2020
VS

AUDI A6 allroad (C8)

45 TDI V6

231 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2019-2020

Comparison overview

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

Best choices

AUDI A6 allroad (C8) 45 TDI V6

  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Lowest city consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best estimated range
    1,068 km
    663 mi
  • Largest trunk
    565 L
  • Best overall score
    68/100
  • Best economy score
    91/100
  • Best practicality score
    87/100

AUDI A6 Sedan (C8) 45 TFSI

  • Quickest 0-100 km/h
    6.0 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Lightest
    1,695 kg
    3,737 lb
  • Best power-to-weight
    145 hp/t
    108 kW/t
    6.9 kg/hp
  • Best performance score
    61/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)45 TFSIAUDIA6 allroad (C8)45 TDI V6
Power
245hp183kW
231hp172kW
Torque
370Nm273lb-ft
500Nm369lb-ft
Curb weight
1,695kg3,737lb
1,945kg4,288lb
Gross weight
2,310kg5,093lb
2,625kg5,787lb
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
62.4s99% target: 257 km/h / 160 mph
Calculated
83.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.0s
6.7s
0-200 km/h
19.0s
Calculated
23.1s
Calculated
0-60 mph
5.7s
Calculated
6.4s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption city
8.4L/100 km28mpg US33.6mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
14.0s
Calculated
14.7s
Calculated
Power-to-weight
145hp/t108kW/t66hp/1000 lb
Calculated
119hp/t89kW/t54hp/1000 lb
Calculated
Torque-to-weight
218Nm/t146lb-ft/ton
Calculated
257Nm/t172lb-ft/ton
Calculated
Estimated range
926km576mi
Calculated
1,068km663mi
Calculated
Displacement
1,984cc121cu in
2,967cc181cu in
Length
4,939mm194in
4,951mm195in
Width
1,886mm74in
1,902mm75in
Height
1,457mm57in
1,542mm61in
Wheelbase
2,924mm115in
2,925mm115in
Front track
1,630mm64in
1,645mm65in
Rear track
1,617mm64in
1,611mm63in
Ground clearance-
184mm7in
Trunk volume
530L
565L
Max trunk volume-
1,680L
Doors
4
5
Seats
5
5
Fuel tank
63L
63L
CO2 emissions
154g/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 Sedan (C8) 45 TFSIAUDI A6 allroad (C8) 45 TDI V6PowerTorque
  • AUDI A6 Sedan (C8) 45 TFSI: Power / Torque
  • AUDI A6 allroad (C8) 45 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)45 TFSI5,000-6,500 rpm1,600-4,300 rpm6,750 rpm
AUDIA6 allroad (C8)45 TDI V63,250-4,700 rpm1,750-3,250 rpm4,950 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)45 TFSIAUDIA6 allroad (C8)45 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
6.4 s
0-100 km/h
0-62 mph
6.0 s
6.7 s
0-200 km/h
0-124 mph
19.0 s
23.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.3 s
6.5 s
1/8 mile
201 m
9.3 s
9.7 s
1000 ft
305 m
11.9 s
12.4 s
1/4 mile
402 m
14.0 s
14.7 s
Trap speed
1/4 mile
402 m
173 km/h
107 mph
162 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
245 hp
183 kW
AUDIA6 allroad (C8)45 TDI V6
231 hp
172 kW

AUDI A6 Sedan (C8) 45 TFSI has 14 hp more than AUDI A6 allroad (C8) 45 TDI V6.

The biggest power difference is between AUDI A6 allroad (C8) 45 TDI V6 and AUDI A6 Sedan (C8) 45 TFSI: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
370 Nm
273 lb-ft
AUDIA6 allroad (C8)45 TDI V6
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
1,695 kg
3,737 lb
AUDIA6 allroad (C8)45 TDI V6
1,945 kg
4,288 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)45 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 allroad (C8)45 TDI V6
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 Sedan (C8)45 TFSI6.0 s
AUDIA6 allroad (C8)45 TDI V66.7 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) 45 TFSI and AUDI A6 allroad (C8) 45 TDI V6: 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 Sedan (C8)45 TFSI
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIA6 allroad (C8)45 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

The biggest fuel consumption difference is between AUDI A6 allroad (C8) 45 TDI V6 and AUDI A6 Sedan (C8) 45 TFSI: 0.9 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)45 TFSI
145 hp/t
108 kW/t
6.9 kg/hp
AUDIA6 allroad (C8)45 TDI V6
119 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 Sedan (C8)45 TFSI
926 km
576 mi
AUDIA6 allroad (C8)45 TDI V6
1,068 km
663 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)45 TFSI
245 hp
183 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 allroad (C8)45 TDI V6
231 hp
172 kW
6.7 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 Sedan (C8)45 TFSI
Power
245 hp
183 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
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

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)45 TFSI
Power
245 hp
183 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
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

AUDI A6 Sedan (C8) 45 TFSI 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)45 TFSI
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.0 s
AUDIA6 allroad (C8)45 TDI V6
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
6.7 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)45 TFSI
145 hp/t
108 kW/t
6.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)45 TFSIAUDIA6 allroad (C8)45 TDI V6
Power
245 hp
183 kW
231 hp
172 kW
Torque
370 Nm
273 lb-ft
500 Nm
369 lb-ft
Acceleration
6.0 s
6.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,695 kg
3,737 lb
1,945 kg
4,288 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 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
565 L
20.0 cu ft
Length
4,951 mm
194.9 in
Height
1,542 mm
60.7 in
Range score
926 km
576 mi
1,068 km
663 mi
CO2 score
154 g/km
-
Trunk score
530 L
18.7 cu ft
565 L
20.0 cu ft
Power-to-weight score
145 hp/t
108 kW/t
6.9 kg/hp
119 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 Sedan (C8) 45 TFSIAUDI A6 allroad (C8) 45 TDI V6
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km11.90 LC100 km10.33 LC100 km
Cost / 100 mi19.15 LC100 mi16.62 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal885 L234 US gal195 UK gal
Annual fuel cost1,785 LC/year1,549 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) 45 TFSI

  • Has 14 hp more
  • Is 250 kg lighter
  • Is 0.7 s quicker from 0-100 km/h
  • Has 26 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

AUDI A6 allroad (C8) 45 TDI V6

  • Has 130 Nm more
  • Uses 0.9 L/100 km less fuel
  • Has 141 km (88 mi) more estimated range
  • Has 35 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 45 TFSI
AUDI A6 allroad (C8) 45 TDI V6
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AUDI A6 Sedan (C8) 45 TFSI vs AUDI A6 allroad (C8) 45 TDI V6 - car comparison - FastVsFaster