Car comparison

AUDI A6 Sedan (C8) · Facelift 2023 45 TFSIvsAUDI 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) · Facelift 2023

45 TFSI

265 hp1984 ccGasolineAWDAutomaticTurbochargedSedan2023-2025
VS

AUDI A6 (4B/C5) · Facelift 2001

2.7 V6

250 hp2671 ccGasolineAWDAutomaticTwin-turboSedan2001-2004

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) Facelift 2023 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
    265 hp
    198 kW
  • Highest torque
    370 Nm
    273 lb-ft
  • Lightest
    1,705 kg
    3,759 lb
  • Best power-to-weight
    155 hp/t
    116 kW/t
    6.4 kg/hp
  • Lowest combined fuel consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Best estimated range
    768 km
    477 mi
  • Largest trunk
    530 L
  • Best overall score
    67/100
  • Best performance score
    62/100
  • Best economy score
    85/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)Facelift 202345 TFSIAUDIA6 (4B/C5)Facelift 20012.7 V6
Power
265hp198kW
250hp186kW
Torque
370Nm273lb-ft
350Nm258lb-ft
Curb weight
1,705kg3,759lb
1,705kg3,759lb
Gross weight
2,340kg5,159lb
2,255kg4,971lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
245 km/h
152 mph
To 99% top speed
61.5s99% target: 257 km/h / 160 mph
Calculated
74.2s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
6.0s
7.4s
0-200 km/h
18.8s
Calculated
25.7s
Calculated
0-60 mph
5.7s
Calculated
7.1s
Calculated
Fuel consumption
8.2L/100 km28.7mpg US34.4mpg UK
12.2L/100 km19.3mpg US23.2mpg UK
Fuel consumption city-
18.1L/100 km13mpg US15.6mpg UK
Fuel consumption highway-
8.8L/100 km26.7mpg US32.1mpg UK
Quarter mile
14.0s
Calculated
15.3s
Calculated
Power-to-weight
155hp/t116kW/t70hp/1000 lb
Calculated
147hp/t109kW/t67hp/1000 lb
Calculated
Torque-to-weight
217Nm/t145lb-ft/ton
Calculated
205Nm/t137lb-ft/ton
Calculated
Estimated range
768km477mi
Calculated
574km357mi
Calculated
Displacement
1,984cc121cu 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
995L
434L
Doors
4
4
Seats
5
5
Fuel tank
63L
70L
CO2 emissions-
293g/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) Facelift 2023 45 TFSIAUDI A6 (4B/C5) Facelift 2001 2.7 V6PowerTorque
  • AUDI A6 Sedan (C8) Facelift 2023 45 TFSI: 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)Facelift 202345 TFSI5,250-6,500 rpm1,600-4,500 rpm6,750 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)Facelift 202345 TFSIAUDIA6 (4B/C5)Facelift 20012.7 V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
7.1 s
0-100 km/h
0-62 mph
6.0 s
7.4 s
0-200 km/h
0-124 mph
18.8 s
25.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
245 km/h
152 mph
Drag race simulation
60 ft
18 m
2.5 s
2.7 s
330 ft
101 m
6.3 s
6.9 s
1/8 mile
201 m
9.3 s
10.2 s
1000 ft
305 m
11.9 s
12.9 s
1/4 mile
402 m
14.0 s
15.3 s
Trap speed
1/4 mile
402 m
173 km/h
108 mph
158 km/h
98 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TFSI
265 hp
198 kW
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW

AUDI A6 Sedan (C8) Facelift 2023 45 TFSI has 15 hp more than AUDI A6 (4B/C5) Facelift 2001 2.7 V6.

The biggest power difference is between AUDI A6 (4B/C5) Facelift 2001 2.7 V6 and AUDI A6 Sedan (C8) Facelift 2023 45 TFSI: 15 hp (11 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TFSI
370 Nm
273 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)Facelift 202345 TFSI
1,705 kg
3,759 lb
AUDIA6 (4B/C5)Facelift 20012.7 V6
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 Sedan (C8)Facelift 202345 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
245 km/h
152 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)Facelift 202345 TFSI6.0 s
AUDIA6 (4B/C5)Facelift 20012.7 V67.4 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) Facelift 2023 45 TFSI and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 1.4 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)Facelift 202345 TFSI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) Facelift 2023 45 TFSI and AUDI A6 (4B/C5) Facelift 2001 2.7 V6: 4.0 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)Facelift 202345 TFSI
155 hp/t
116 kW/t
6.4 kg/hp
AUDIA6 (4B/C5)Facelift 20012.7 V6
147 hp/t
109 kW/t
6.8 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TFSI
768 km
477 mi
AUDIA6 (4B/C5)Facelift 20012.7 V6
574 km
357 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)Facelift 202345 TFSI
265 hp
198 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 (4B/C5)Facelift 20012.7 V6
250 hp
186 kW
7.4 s
245 km/h
152 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)Facelift 202345 TFSI
Power
265 hp
198 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 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h7.4 s
Top speed
245 km/h
152 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)Facelift 202345 TFSI
Power
265 hp
198 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
Power
250 hp
186 kW
0-100 km/h7.4 s
Top speed
245 km/h
152 mph
12.2 L/100 km
19.3 mpg US
23.2 mpg UK

AUDI A6 Sedan (C8) Facelift 2023 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)Facelift 202345 TFSI
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
6.0 s
AUDIA6 (4B/C5)Facelift 20012.7 V6
12.2 L/100 km
19.3 mpg US
23.2 mpg UK
7.4 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)Facelift 202345 TFSI
155 hp/t
116 kW/t
6.4 kg/hp
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
AUDIA6 (4B/C5)Facelift 20012.7 V6
147 hp/t
109 kW/t
6.8 kg/hp
12.2 L/100 km
19.3 mpg US
23.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)Facelift 202345 TFSIAUDIA6 (4B/C5)Facelift 20012.7 V6
Power
265 hp
198 kW
250 hp
186 kW
Torque
370 Nm
273 lb-ft
350 Nm
258 lb-ft
Acceleration
6.0 s
7.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
245 km/h
152 mph
Lightness
1,705 kg
3,759 lb
1,705 kg
3,759 lb
Fuel consumption
8.2 L/100 km
28.7 mpg US
34.4 mpg UK
12.2 L/100 km
19.3 mpg US
23.2 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
768 km
477 mi
574 km
357 mi
CO2 score
-
293 g/km
Trunk score
530 L
18.7 cu ft
434 L
15.3 cu ft
Power-to-weight score
155 hp/t
116 kW/t
6.4 kg/hp
147 hp/t
109 kW/t
6.8 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) Facelift 2023 45 TFSIAUDI A6 (4B/C5) Facelift 2001 2.7 V6
Consumption8.2 L/100 km28.7 mpg US34.4 mpg UK12.2 L/100 km19.3 mpg US23.2 mpg UK
Cost / 100 km14.35 LC100 km21.35 LC100 km
Cost / 100 mi23.09 LC100 mi34.36 LC100 mi
Annual fuel used1,230 L325 US gal271 UK gal1,830 L483 US gal403 UK gal
Annual fuel cost2,153 LC/year3,203 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) Facelift 2023 45 TFSI

  • Has 15 hp more
  • Has 20 Nm more
  • Is 1.4 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Uses 4.0 L/100 km less fuel
  • Has 9 hp/t better power-to-weight
  • Has 195 km (121 mi) more estimated range
  • Has 96 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

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

No measurable advantages in the available data.

Cons

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

Choose cars to compare

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

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AUDI A6 Sedan (C8) · Facelift 2023 45 TFSI vs AUDI A6 (4B/C5) · Facelift 2001 2.7 V6 - car comparison - FastVsFaster