Car comparison

AUDI A6 Sedan (C8) 45 TDI V6vsAUDI A6 (4B/C5) · Facelift 2001 2.7 V6

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

New comparison

AUDI A6 Sedan (C8)

45 TDI V6

231 hp2967 ccDieselAWDAutomaticTurbochargedSedan2018-2020
VS

AUDI A6 (4B/C5) · Facelift 2001

2.7 V6

250 hp2671 ccGasolineAWDManualTwin-turboSedan2001-2004

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) 45 TDI V6

  • Quickest 0-100 km/h
    6.3 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Highest torque
    500 Nm
    369 lb-ft
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest highway consumption
    5.4 L/100 km
    43.6 mpg US
    52.3 mpg UK
  • Lowest CO2 emissions
    150 g/km
  • Best estimated range
    1,086 km
    675 mi
  • Largest trunk
    530 L
  • Best overall score
    67/100
  • Best performance score
    62/100
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)45 TDI V6AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
231hp172kW
250hp186kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,825kg4,023lb
1,660kg3,660lb
Gross weight
2,475kg5,456lb
2,210kg4,872lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
248 km/h
154 mph
To 99% top speed
68.0s99% target: 257 km/h / 160 mph
Calculated
68.7s99% target: 246 km/h / 153 mph
Calculated
0-100 km/h
6.3s
6.8s
0-200 km/h
20.3s
Calculated
23.1s
Calculated
0-60 mph
6.0s
Calculated
6.5s
Calculated
Fuel consumption
5.8L/100 km40.6mpg US48.7mpg UK
11.6L/100 km20.3mpg US24.4mpg UK
Fuel consumption city
6.4L/100 km36.8mpg US44.1mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
5.4L/100 km43.6mpg US52.3mpg UK
8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile
14.3s
Calculated
14.7s
Calculated
Power-to-weight
127hp/t94kW/t57hp/1000 lb
Calculated
151hp/t112kW/t68hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
211Nm/t141lb-ft/ton
Calculated
Estimated range
1,086km675mi
Calculated
603km375mi
Calculated
Displacement
2,967cc181cu in
2,671cc163cu in
Length
4,939mm194in
4,796mm189in
Width
1,886mm74in
1,810mm71in
Height
1,457mm57in
1,453mm57in
Wheelbase
2,924mm115in
2,759mm109in
Front track
1,630mm64in
1,540mm61in
Rear track
1,617mm64in
1,569mm62in
Trunk volume
530L
-
Max trunk volume-
434L
Doors
4
4
Seats
5
5
Fuel tank
63L
70L
CO2 emissions
150g/km
278g/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 TDI V6AUDI A6 (4B/C5) Facelift 2001 2.7 V6PowerTorque
  • AUDI A6 Sedan (C8) 45 TDI V6: Power / Torque
  • AUDI A6 (4B/C5) Facelift 2001 2.7 V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)45 TDI V63,250-4,750 rpm1,750-3,250 rpm5,000 rpm
AUDIA6 (4B/C5)Facelift 20012.7 V65,800 rpm1,800-4,500 rpm6,050 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)45 TDI V6AUDIA6 (4B/C5)Facelift 20012.7 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
6.5 s
0-100 km/h
0-62 mph
6.3 s
6.8 s
0-200 km/h
0-124 mph
20.3 s
23.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
248 km/h
154 mph
Drag race simulation
60 ft
18 m
2.5 s
2.6 s
330 ft
101 m
6.4 s
6.6 s
1/8 mile
201 m
9.5 s
9.8 s
1000 ft
305 m
12.1 s
12.5 s
1/4 mile
402 m
14.3 s
14.7 s
Trap speed
1/4 mile
402 m
169 km/h
105 mph
163 km/h
101 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TDI V6
231 hp
172 kW
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW

AUDI A6 (4B/C5) Facelift 2001 2.7 V6 has 19 hp more than AUDI A6 Sedan (C8) 45 TDI V6.

The biggest power difference is between AUDI A6 Sedan (C8) 45 TDI V6 and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 19 hp (14 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TDI V6
500 Nm
369 lb-ft
AUDIA6 (4B/C5)Facelift 20012.7 V6
350 Nm
258 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TDI V6
1,825 kg
4,023 lb
AUDIA6 (4B/C5)Facelift 20012.7 V6
1,660 kg
3,660 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 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
248 km/h
154 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 TDI V66.3 s
AUDIA6 (4B/C5)Facelift 20012.7 V66.8 s

Although AUDI A6 (4B/C5) Facelift 2001 2.7 V6 has more power, AUDI A6 Sedan (C8) 45 TDI V6 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) 45 TDI V6 and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 0.5 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 TDI V6
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) 45 TDI V6 and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 5.8 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 TDI V6
127 hp/t
94 kW/t
7.9 kg/hp
AUDIA6 (4B/C5)Facelift 20012.7 V6
151 hp/t
112 kW/t
6.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TDI V6
1,086 km
675 mi
AUDIA6 (4B/C5)Facelift 20012.7 V6
603 km
375 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)45 TDI V6
231 hp
172 kW
6.3 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW
6.8 s
248 km/h
154 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 TDI V6
Power
231 hp
172 kW
0-100 km/h6.3 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 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h6.8 s
Top speed
248 km/h
154 mph
Doors/seats
4 doors
5 seats
Trunk
434 L
15.3 cu ft
Length
4,796 mm
188.8 in
Height
1,453 mm
57.2 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 TDI V6
Power
231 hp
172 kW
0-100 km/h6.3 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h6.8 s
Top speed
248 km/h
154 mph
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

AUDI A6 Sedan (C8) 45 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 Sedan (C8)45 TDI V6
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
6.3 s
AUDIA6 (4B/C5)Facelift 20012.7 V6
11.6 L/100 km
20.3 mpg US
24.4 mpg UK
6.8 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 Sedan (C8)45 TDI V6
127 hp/t
94 kW/t
7.9 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
151 hp/t
112 kW/t
6.6 kg/hp
11.6 L/100 km
20.3 mpg US
24.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)45 TDI V6AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
231 hp
172 kW
250 hp
186 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
6.3 s
6.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
248 km/h
154 mph
Lightness
1,825 kg
4,023 lb
1,660 kg
3,660 lb
Fuel consumption
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
11.6 L/100 km
20.3 mpg US
24.4 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
4 doors
5 seats
Trunk
434 L
15.3 cu ft
Length
4,796 mm
188.8 in
Height
1,453 mm
57.2 in
Range score
1,086 km
675 mi
603 km
375 mi
CO2 score
150 g/km
278 g/km
Trunk score
530 L
18.7 cu ft
434 L
15.3 cu ft
Power-to-weight score
127 hp/t
94 kW/t
7.9 kg/hp
151 hp/t
112 kW/t
6.6 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 TDI V6AUDI A6 (4B/C5) Facelift 2001 2.7 V6
Consumption5.8 L/100 km40.6 mpg US48.7 mpg UK11.6 L/100 km20.3 mpg US24.4 mpg UK
Cost / 100 km10.15 LC100 km20.30 LC100 km
Cost / 100 mi16.33 LC100 mi32.67 LC100 mi
Annual fuel used870 L230 US gal191 UK gal1,740 L460 US gal383 UK gal
Annual fuel cost1,523 LC/year3,045 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) 45 TDI V6

  • Has 150 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 12 km/h (7 mph) higher top speed
  • Uses 5.8 L/100 km less fuel
  • Has 483 km (300 mi) more estimated range
  • Has 96 L more trunk volume
  • Emits 128 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Lowest power
  • Heaviest

AUDI A6 (4B/C5) Facelift 2001 2.7 V6

  • Has 19 hp more
  • Is 165 kg lighter
  • Has 24 hp/t better power-to-weight

Pros

  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 45 TDI V6
AUDI A6 (4B/C5) 2.7 V6
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2 vehicles selected

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AUDI A6 Sedan (C8) 45 TDI V6 vs AUDI A6 (4B/C5) · Facelift 2001 2.7 V6 - car comparison - FastVsFaster