Car comparison

AUDI A6 (4F/C6) 3.2 FSI V6vsAUDI A6 Sedan (C8) 40 TDI

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

New comparison

AUDI A6 (4F/C6)

3.2 FSI V6

255 hp3123 ccGasolineAWDManualNaturally aspiratedSedan2004-2008
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 (4F/C6) 3.2 FSI V6

  • Quickest 0-100 km/h
    6.8 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    255 hp
    190 kW
  • Lightest
    1,640 kg
    3,616 lb
  • Best power-to-weight
    155 hp/t
    116 kW/t
    6.4 kg/hp
  • Largest trunk
    546 L
  • Best overall score
    64/100
  • Best performance score
    58/100
  • Best practicality score
    78/100

AUDI A6 Sedan (C8) 40 TDI

  • Highest torque
    400 Nm
    295 lb-ft
  • 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
  • Lowest CO2 emissions
    120 g/km
  • Best estimated range
    1,370 km
    851 mi
  • Best economy score
    94/100

Specification comparison

Specification comparison
ModelAUDIA6 (4F/C6)3.2 FSI V6AUDIA6 Sedan (C8)40 TDI
Power
255hp190kW
204hp152kW
Torque
330Nm243lb-ft
400Nm295lb-ft
Curb weight
1,640kg3,616lb
1,705kg3,759lb
Gross weight
2,220kg4,894lb
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
70.8s99% target: 257 km/h / 160 mph
Calculated
76.3s99% target: 244 km/h / 151 mph
Calculated
0-100 km/h
6.8s
7.6s
0-200 km/h
21.5s
Calculated
26.2s
Calculated
0-60 mph
6.5s
Calculated
7.2s
Calculated
Fuel consumption
10.9L/100 km21.6mpg US25.9mpg UK
4.6L/100 km51.1mpg US61.4mpg UK
Fuel consumption city
16.5L/100 km14.3mpg US17.1mpg UK
4.9L/100 km48mpg US57.6mpg UK
Fuel consumption highway
7.7L/100 km30.5mpg US36.7mpg UK
4.4L/100 km53.5mpg US64.2mpg UK
Quarter mile
14.7s
Calculated
15.4s
Calculated
Power-to-weight
155hp/t116kW/t71hp/1000 lb
Calculated
120hp/t89kW/t54hp/1000 lb
Calculated
Torque-to-weight
201Nm/t135lb-ft/ton
Calculated
235Nm/t157lb-ft/ton
Calculated
Estimated range
734km456mi
Calculated
1,370km851mi
Calculated
Displacement
3,123cc191cu in
1,968cc120cu in
Length
4,916mm194in
4,939mm194in
Width
1,855mm73in
1,886mm74in
Height
1,459mm57in
1,457mm57in
Wheelbase
2,843mm112in
2,924mm115in
Front track
1,612mm63in
1,630mm64in
Rear track
1,618mm64in
1,617mm64in
Trunk volume-
530L
Max trunk volume
546L
-
Doors
4
4
Seats
5
5
Fuel tank
80L
63L
CO2 emissions
262g/km
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 (4F/C6) 3.2 FSI V6AUDI A6 Sedan (C8) 40 TDIPowerTorque
  • AUDI A6 (4F/C6) 3.2 FSI V6: Power / Torque
  • AUDI A6 Sedan (C8) 40 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 (4F/C6)3.2 FSI V66,500 rpm3,250 rpm6,750 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 (4F/C6)3.2 FSI V6AUDIA6 Sedan (C8)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.5 s
7.2 s
0-100 km/h
0-62 mph
6.8 s
7.6 s
0-200 km/h
0-124 mph
21.5 s
26.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
246 km/h
153 mph
Drag race simulation
60 ft
18 m
2.7 s
2.8 s
330 ft
101 m
6.7 s
7.0 s
1/8 mile
201 m
9.8 s
10.3 s
1000 ft
305 m
12.5 s
13.1 s
1/4 mile
402 m
14.7 s
15.4 s
Trap speed
1/4 mile
402 m
166 km/h
103 mph
157 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 (4F/C6)3.2 FSI V6
255 hp
190 kW
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW

AUDI A6 (4F/C6) 3.2 FSI V6 has 51 hp more than AUDI A6 Sedan (C8) 40 TDI.

The biggest power difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 (4F/C6) 3.2 FSI V6: 51 hp (38 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 (4F/C6)3.2 FSI V6
330 Nm
243 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 (4F/C6)3.2 FSI V6
1,640 kg
3,616 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 (4F/C6)3.2 FSI 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 (4F/C6)3.2 FSI V66.8 s
AUDIA6 Sedan (C8)40 TDI7.6 s

The biggest 0-100 km/h difference is between AUDI A6 (4F/C6) 3.2 FSI V6 and AUDI A6 Sedan (C8) 40 TDI: 0.8 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 (4F/C6)3.2 FSI V6
10.9 L/100 km
21.6 mpg US
25.9 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 (4F/C6) 3.2 FSI V6: 6.3 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 (4F/C6)3.2 FSI V6
155 hp/t
116 kW/t
6.4 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 (4F/C6)3.2 FSI V6
734 km
456 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 (4F/C6)3.2 FSI V6
255 hp
190 kW
6.8 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 (4F/C6)3.2 FSI V6
Power
255 hp
190 kW
0-100 km/h6.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,916 mm
193.5 in
Height
1,459 mm
57.4 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 (4F/C6)3.2 FSI V6
Power
255 hp
190 kW
0-100 km/h6.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.9 L/100 km
21.6 mpg US
25.9 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 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 (4F/C6)3.2 FSI V6
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
6.8 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 (4F/C6)3.2 FSI V6
155 hp/t
116 kW/t
6.4 kg/hp
10.9 L/100 km
21.6 mpg US
25.9 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 (4F/C6)3.2 FSI V6AUDIA6 Sedan (C8)40 TDI
Power
255 hp
190 kW
204 hp
152 kW
Torque
330 Nm
243 lb-ft
400 Nm
295 lb-ft
Acceleration
6.8 s
7.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
246 km/h
153 mph
Lightness
1,640 kg
3,616 lb
1,705 kg
3,759 lb
Fuel consumption
10.9 L/100 km
21.6 mpg US
25.9 mpg UK
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,916 mm
193.5 in
Height
1,459 mm
57.4 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
734 km
456 mi
1,370 km
851 mi
CO2 score
262 g/km
120 g/km
Trunk score
546 L
19.3 cu ft
530 L
18.7 cu ft
Power-to-weight score
155 hp/t
116 kW/t
6.4 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 (4F/C6) 3.2 FSI V6AUDI A6 Sedan (C8) 40 TDI
Consumption10.9 L/100 km21.6 mpg US25.9 mpg UK4.6 L/100 km51.1 mpg US61.4 mpg UK
Cost / 100 km19.08 LC100 km8.05 LC100 km
Cost / 100 mi30.70 LC100 mi12.96 LC100 mi
Annual fuel used1,635 L432 US gal360 UK gal690 L182 US gal152 UK gal
Annual fuel cost2,861 LC/year1,208 LC/year

Head-to-head comparisons

AUDI A6 (4F/C6) 3.2 FSI V6

  • Has 51 hp more
  • Is 65 kg lighter
  • Is 0.8 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Has 36 hp/t better power-to-weight
  • Has 16 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

AUDI A6 Sedan (C8) 40 TDI

  • Has 70 Nm more
  • Uses 6.3 L/100 km less fuel
  • Has 636 km (395 mi) more estimated range
  • Emits 142 g/km less CO2

Pros

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

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 (4F/C6) 3.2 FSI V6
AUDI A6 Sedan (C8) 40 TDI
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2 vehicles selected

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