Car comparison

AUDI A6 (4F/C6) · Facelift 2008 3.0 TFSI 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) · Facelift 2008

3.0 TFSI V6

290 hp2995 ccGasolineAWDAutomaticSuperchargedSedan2008-2011
VS

AUDI A6 Sedan (C8)

40 TDI

204 hp1968 ccDieselFWDAutomaticTurbochargedSedan2018-2023

Comparison overview

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

Best choices

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6

  • Quickest 0-100 km/h
    5.9 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    290 hp
    216 kW
  • Highest torque
    420 Nm
    310 lb-ft
  • Best power-to-weight
    168 hp/t
    125 kW/t
    5.9 kg/hp
  • Largest trunk
    546 L
  • Best overall score
    68/100
  • Best performance score
    64/100
  • Best practicality score
    78/100

AUDI A6 Sedan (C8) 40 TDI

  • Lightest
    1,645 kg
    3,627 lb
  • 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 economy score
    94/100

Specification comparison

Specification comparison
ModelAUDIA6 (4F/C6)Facelift 20083.0 TFSI V6AUDIA6 Sedan (C8)40 TDI
Power
290hp216kW
204hp152kW
Torque
420Nm310lb-ft
400Nm295lb-ft
Curb weight
1,725kg3,803lb
1,645kg3,627lb
Gross weight
2,305kg5,082lb
2,255kg4,971lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
246 km/h
153 mph
To 99% top speed
60.6s99% target: 257 km/h / 160 mph
Calculated
80.4s99% target: 244 km/h / 151 mph
Calculated
0-100 km/h
5.9s
8.1s
0-200 km/h
18.5s
Calculated
27.7s
Calculated
0-60 mph
5.6s
Calculated
7.7s
Calculated
Fuel consumption
9.4L/100 km25mpg US30.1mpg UK
4.7L/100 km50mpg US60.1mpg UK
Fuel consumption city
13.2L/100 km17.8mpg US21.4mpg UK
5.2L/100 km45.2mpg US54.3mpg UK
Fuel consumption highway
7.1L/100 km33.1mpg US39.8mpg UK
4.4L/100 km53.5mpg US64.2mpg UK
Quarter mile
13.9s
Calculated
15.8s
Calculated
Power-to-weight
168hp/t125kW/t76hp/1000 lb
Calculated
124hp/t92kW/t56hp/1000 lb
Calculated
Torque-to-weight
243Nm/t163lb-ft/ton
Calculated
243Nm/t163lb-ft/ton
Calculated
Estimated range
851km529mi
Calculated
1,340km833mi
Calculated
Displacement
2,995cc183cu in
1,968cc120cu in
Length
4,927mm194in
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
219g/km
124g/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) Facelift 2008 3.0 TFSI V6AUDI A6 Sedan (C8) 40 TDIPowerTorque
  • AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI 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)Facelift 20083.0 TFSI V64,850-6,800 rpm2,500-4,850 rpm7,050 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)Facelift 20083.0 TFSI V6AUDIA6 Sedan (C8)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
5.6 s
7.7 s
0-100 km/h
0-62 mph
5.9 s
8.1 s
0-200 km/h
0-124 mph
18.5 s
27.7 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
2.5 s
2.9 s
330 ft
101 m
6.3 s
7.2 s
1/8 mile
201 m
9.2 s
10.6 s
1000 ft
305 m
11.8 s
13.4 s
1/4 mile
402 m
13.9 s
15.8 s
Trap speed
1/4 mile
402 m
174 km/h
108 mph
154 km/h
96 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
290 hp
216 kW
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6 has 86 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) Facelift 2008 3.0 TFSI V6: 86 hp (64 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
420 Nm
310 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)Facelift 20083.0 TFSI V6
1,725 kg
3,803 lb
AUDIA6 Sedan (C8)40 TDI
1,645 kg
3,627 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)Facelift 20083.0 TFSI 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)Facelift 20083.0 TFSI V65.9 s
AUDIA6 Sedan (C8)40 TDI8.1 s

The biggest 0-100 km/h difference is between AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6 and AUDI A6 Sedan (C8) 40 TDI: 2.2 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)Facelift 20083.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
AUDIA6 Sedan (C8)40 TDI
4.7 L/100 km
50.0 mpg US
60.1 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) 40 TDI and AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6: 4.7 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 (4F/C6)Facelift 20083.0 TFSI V6
168 hp/t
125 kW/t
5.9 kg/hp
AUDIA6 Sedan (C8)40 TDI
124 hp/t
92 kW/t
8.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
851 km
529 mi
AUDIA6 Sedan (C8)40 TDI
1,340 km
833 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 (4F/C6)Facelift 20083.0 TFSI V6
290 hp
216 kW
5.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Sedan (C8)40 TDI
204 hp
152 kW
8.1 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)Facelift 20083.0 TFSI V6
Power
290 hp
216 kW
0-100 km/h5.9 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
4,927 mm
194.0 in
Height
1,459 mm
57.4 in
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

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)Facelift 20083.0 TFSI V6
Power
290 hp
216 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
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

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI 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 (4F/C6)Facelift 20083.0 TFSI V6
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
5.9 s
AUDIA6 Sedan (C8)40 TDI
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
8.1 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)Facelift 20083.0 TFSI V6
168 hp/t
125 kW/t
5.9 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
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

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 (4F/C6)Facelift 20083.0 TFSI V6AUDIA6 Sedan (C8)40 TDI
Power
290 hp
216 kW
204 hp
152 kW
Torque
420 Nm
310 lb-ft
400 Nm
295 lb-ft
Acceleration
5.9 s
8.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
246 km/h
153 mph
Lightness
1,725 kg
3,803 lb
1,645 kg
3,627 lb
Fuel consumption
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
4.7 L/100 km
50.0 mpg US
60.1 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
546 L
19.3 cu ft
Length
4,927 mm
194.0 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
851 km
529 mi
1,340 km
833 mi
CO2 score
219 g/km
124 g/km
Trunk score
546 L
19.3 cu ft
530 L
18.7 cu ft
Power-to-weight score
168 hp/t
125 kW/t
5.9 kg/hp
124 hp/t
92 kW/t
8.1 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) Facelift 2008 3.0 TFSI V6AUDI A6 Sedan (C8) 40 TDI
Consumption9.4 L/100 km25 mpg US30.1 mpg UK4.7 L/100 km50 mpg US60.1 mpg UK
Cost / 100 km16.45 LC100 km8.23 LC100 km
Cost / 100 mi26.47 LC100 mi13.24 LC100 mi
Annual fuel used1,410 L372 US gal310 UK gal705 L186 US gal155 UK gal
Annual fuel cost2,468 LC/year1,234 LC/year

Head-to-head comparisons

AUDI A6 (4F/C6) Facelift 2008 3.0 TFSI V6

  • Has 86 hp more
  • Has 20 Nm more
  • Is 2.2 s quicker from 0-100 km/h
  • Has 14 km/h (9 mph) higher top speed
  • Has 44 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
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

AUDI A6 Sedan (C8) 40 TDI

  • Is 80 kg lighter
  • Uses 4.7 L/100 km less fuel
  • Has 489 km (304 mi) more estimated range
  • Emits 95 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • 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 (4F/C6) 3.0 TFSI V6
AUDI A6 Sedan (C8) 40 TDI
Compare selected cars
2 vehicles selected

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AUDI A6 (4F/C6) · Facelift 2008 3.0 TFSI V6 vs AUDI A6 Sedan (C8) 40 TDI - car comparison - FastVsFaster