Car comparison

AUDI A6 Sedan (C8) 40 TDIvsAUDI A6 Avant (4G/C7) · Facelift 2014 1.8 TFSI

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

New comparison

AUDI A6 Sedan (C8)

40 TDI

204 hp1968 ccDieselFWDAutomaticTurbochargedSedan2018-2023
VS

AUDI A6 Avant (4G/C7) · Facelift 2014

1.8 TFSI

190 hp1798 ccGasolineFWDManualTurbochargedWagon / estate2014-2016

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) 40 TDI

  • Quickest 0-100 km/h
    8.1 s
  • Fastest top speed
    246 km/h
    153 mph
  • Most powerful
    204 hp
    152 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Best power-to-weight
    124 hp/t
    92 kW/t
    8.1 kg/hp
  • Lowest combined fuel consumption
    4.7 L/100 km
    50.0 mpg US
    60.1 mpg UK
  • Lowest city consumption
    5.2 L/100 km
    45.2 mpg US
    54.3 mpg UK
  • Lowest highway consumption
    4.4 L/100 km
    53.5 mpg US
    64.2 mpg UK
  • Lowest CO2 emissions
    124 g/km
  • Best estimated range
    1,340 km
    833 mi
  • Best overall score
    61/100
  • Best performance score
    53/100
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)40 TDIAUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
Power
204hp152kW
190hp142kW
Torque
400Nm295lb-ft
320Nm236lb-ft
Curb weight
1,645kg3,627lb
1,600kg3,527lb
Gross weight
2,255kg4,971lb
2,230kg4,916lb
Top speed
246 km/h
153 mph
226 km/h
140 mph
To 99% top speed
80.4s99% target: 244 km/h / 151 mph
Calculated
78.6s99% target: 224 km/h / 139 mph
Calculated
0-100 km/h
8.1s
8.2s
0-200 km/h
27.7s
Calculated
34.4s
Calculated
0-60 mph
7.7s
Calculated
7.8s
Calculated
Fuel consumption
4.7L/100 km50mpg US60.1mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Fuel consumption city
5.2L/100 km45.2mpg US54.3mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption highway
4.4L/100 km53.5mpg US64.2mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
15.8s
Calculated
15.9s
Calculated
Power-to-weight
124hp/t92kW/t56hp/1000 lb
Calculated
119hp/t89kW/t54hp/1000 lb
Calculated
Torque-to-weight
243Nm/t163lb-ft/ton
Calculated
200Nm/t134lb-ft/ton
Calculated
Estimated range
1,340km833mi
Calculated
1,016km631mi
Calculated
Displacement
1,968cc120cu in
1,798cc110cu in
Length
4,939mm194in
4,943mm195in
Width
1,886mm74in
1,874mm74in
Height
1,457mm57in
1,461mm58in
Wheelbase
2,924mm115in
2,912mm115in
Front track
1,630mm64in
1,627mm64in
Rear track
1,617mm64in
1,618mm64in
Trunk volume
530L
565L
Max trunk volume-
1,680L
Doors
4
5
Seats
5
5
Fuel tank
63L
65L
CO2 emissions
124g/km
149g/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) 40 TDIAUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSIPowerTorque
  • AUDI A6 Sedan (C8) 40 TDI: Power / Torque
  • AUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)40 TDI3,750-4,200 rpm1,750-3,000 rpm4,450 rpm
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI4,200-6,200 rpm1,400-4,100 rpm6,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)40 TDIAUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
7.7 s
7.8 s
0-100 km/h
0-62 mph
8.1 s
8.2 s
0-200 km/h
0-124 mph
27.7 s
34.4 s
Top speed
246 km/h
153 mph
226 km/h
140 mph
Drag race simulation
60 ft
18 m
2.9 s
2.8 s
330 ft
101 m
7.2 s
7.1 s
1/8 mile
201 m
10.6 s
10.5 s
1000 ft
305 m
13.4 s
13.5 s
1/4 mile
402 m
15.8 s
15.9 s
Trap speed
1/4 mile
402 m
154 km/h
96 mph
149 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
190 hp
142 kW

AUDI A6 Sedan (C8) 40 TDI has 14 hp more than AUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI.

The biggest power difference is between AUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI and AUDI A6 Sedan (C8) 40 TDI: 14 hp (10 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)40 TDI
400 Nm
295 lb-ft
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
320 Nm
236 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)40 TDI
1,645 kg
3,627 lb
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
1,600 kg
3,527 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)40 TDI
246 km/h
153 mph
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
226 km/h
140 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)40 TDI8.1 s
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI8.2 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI: 0.1 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)40 TDI
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI: 1.7 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)40 TDI
124 hp/t
92 kW/t
8.1 kg/hp
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
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)40 TDI
1,340 km
833 mi
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
1,016 km
631 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW
8.1 s
246 km/h
153 mph
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
190 hp
142 kW
8.2 s
226 km/h
140 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)40 TDI
Power
204 hp
152 kW
0-100 km/h8.1 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 (4G/C7)Facelift 20141.8 TFSI
Power
190 hp
142 kW
0-100 km/h8.2 s
Top speed
226 km/h
140 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,943 mm
194.6 in
Height
1,461 mm
57.5 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)40 TDI
Power
204 hp
152 kW
0-100 km/h8.1 s
Top speed
246 km/h
153 mph
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
Power
190 hp
142 kW
0-100 km/h8.2 s
Top speed
226 km/h
140 mph
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

AUDI A6 Sedan (C8) 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)40 TDI
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
8.1 s
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
6.4 L/100 km
36.8 mpg US
44.1 mpg UK
8.2 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)40 TDI
124 hp/t
92 kW/t
8.1 kg/hp
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
AUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
119 hp/t
89 kW/t
8.4 kg/hp
6.4 L/100 km
36.8 mpg US
44.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)40 TDIAUDIA6 Avant (4G/C7)Facelift 20141.8 TFSI
Power
204 hp
152 kW
190 hp
142 kW
Torque
400 Nm
295 lb-ft
320 Nm
236 lb-ft
Acceleration
8.1 s
8.2 s
Top speed
246 km/h
153 mph
226 km/h
140 mph
Lightness
1,645 kg
3,627 lb
1,600 kg
3,527 lb
Fuel consumption
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
6.4 L/100 km
36.8 mpg US
44.1 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
4,943 mm
194.6 in
Height
1,461 mm
57.5 in
Range score
1,340 km
833 mi
1,016 km
631 mi
CO2 score
124 g/km
149 g/km
Trunk score
530 L
18.7 cu ft
565 L
20.0 cu ft
Power-to-weight score
124 hp/t
92 kW/t
8.1 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) 40 TDIAUDI A6 Avant (4G/C7) Facelift 2014 1.8 TFSI
Consumption4.7 L/100 km50 mpg US60.1 mpg UK6.4 L/100 km36.8 mpg US44.1 mpg UK
Cost / 100 km8.23 LC100 km11.20 LC100 km
Cost / 100 mi13.24 LC100 mi18.02 LC100 mi
Annual fuel used705 L186 US gal155 UK gal960 L254 US gal211 UK gal
Annual fuel cost1,234 LC/year1,680 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) 40 TDI

  • Has 14 hp more
  • Has 80 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Uses 1.7 L/100 km less fuel
  • Has 5 hp/t better power-to-weight
  • Has 325 km (202 mi) more estimated range
  • Emits 25 g/km less CO2

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
  • Best estimated range

Cons

  • Heaviest
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 40 TDI
AUDI A6 Avant (4G/C7) 1.8 TFSI
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