Car comparison

AUDI A6 Sedan (C8) 45 TFSIvsAUDI A6 Sedan (C8) · Facelift 2023 45 TDI V6

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

New comparison

AUDI A6 Sedan (C8)

45 TFSI

245 hp1984 ccGasolineAWDAutomaticTurbochargedSedan2019-2020
VS

AUDI A6 Sedan (C8) · Facelift 2023

45 TDI V6

245 hp2967 ccDieselAWDAutomaticTurbochargedSedan2023-2025

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) 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
    245 hp
    183 kW
  • Lightest
    1,695 kg
    3,737 lb
  • Best power-to-weight
    145 hp/t
    108 kW/t
    6.9 kg/hp
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Best estimated range
    926 km
    576 mi
  • Largest trunk
    530 L
  • Best overall score
    66/100
  • Best economy score
    89/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)45 TFSIAUDIA6 Sedan (C8)Facelift 202345 TDI V6
Power
245hp183kW
245hp183kW
Torque
370Nm273lb-ft
500Nm369lb-ft
Curb weight
1,695kg3,737lb
1,825kg4,023lb
Gross weight
2,310kg5,093lb
2,510kg5,534lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
62.4s99% target: 257 km/h / 160 mph
Calculated
66.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
6.0s
6.2s
0-200 km/h
19.0s
Calculated
19.9s
Calculated
0-60 mph
5.7s
Calculated
5.9s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Fuel consumption city
8.4L/100 km28mpg US33.6mpg UK
-
Fuel consumption highway
5.8L/100 km40.6mpg US48.7mpg UK
-
Quarter mile
14.0s
Calculated
14.2s
Calculated
Power-to-weight
145hp/t108kW/t66hp/1000 lb
Calculated
134hp/t100kW/t61hp/1000 lb
Calculated
Torque-to-weight
218Nm/t146lb-ft/ton
Calculated
274Nm/t183lb-ft/ton
Calculated
Estimated range
926km576mi
Calculated
913km567mi
Calculated
Displacement
1,984cc121cu in
2,967cc181cu in
Length
4,939mm194in
4,939mm194in
Width
1,886mm74in
1,886mm74in
Height
1,457mm57in
1,457mm57in
Wheelbase
2,924mm115in
2,924mm115in
Front track
1,630mm64in
1,630mm64in
Rear track
1,617mm64in
1,617mm64in
Trunk volume
530L
520L
Doors
4
4
Seats
5
5
Fuel tank
63L
63L
CO2 emissions
154g/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 TFSIAUDI A6 Sedan (C8) Facelift 2023 45 TDI V6PowerTorque
  • AUDI A6 Sedan (C8) 45 TFSI: Power / Torque
  • AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)45 TFSI5,000-6,500 rpm1,600-4,300 rpm6,750 rpm
AUDIA6 Sedan (C8)Facelift 202345 TDI V63,500-4,750 rpm1,500-3,250 rpm5,000 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)45 TFSIAUDIA6 Sedan (C8)Facelift 202345 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.7 s
5.9 s
0-100 km/h
0-62 mph
6.0 s
6.2 s
0-200 km/h
0-124 mph
19.0 s
19.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.5 s
2.5 s
330 ft
101 m
6.3 s
6.4 s
1/8 mile
201 m
9.3 s
9.4 s
1000 ft
305 m
11.9 s
12.0 s
1/4 mile
402 m
14.0 s
14.2 s
Trap speed
1/4 mile
402 m
173 km/h
107 mph
170 km/h
106 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
245 hp
183 kW
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
370 Nm
273 lb-ft
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
1,695 kg
3,737 lb
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
1,825 kg
4,023 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 TFSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 TFSI6.0 s
AUDIA6 Sedan (C8)Facelift 202345 TDI V66.2 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) 45 TFSI and AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: 0.2 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 Sedan (C8)45 TFSI
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

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 TFSI
145 hp/t
108 kW/t
6.9 kg/hp
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
134 hp/t
100 kW/t
7.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)45 TFSI
926 km
576 mi
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
913 km
567 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)45 TFSI
245 hp
183 kW
6.0 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 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 TFSI
Power
245 hp
183 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 Sedan (C8)Facelift 202345 TDI V6
Power
245 hp
183 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 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 Sedan (C8)45 TFSI
Power
245 hp
183 kW
0-100 km/h6.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
Power
245 hp
183 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

AUDI A6 Sedan (C8) Facelift 2023 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 TFSI
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.0 s
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
6.2 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)45 TFSI
145 hp/t
108 kW/t
6.9 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
134 hp/t
100 kW/t
7.4 kg/hp
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)45 TFSIAUDIA6 Sedan (C8)Facelift 202345 TDI V6
Power
245 hp
183 kW
245 hp
183 kW
Torque
370 Nm
273 lb-ft
500 Nm
369 lb-ft
Acceleration
6.0 s
6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,695 kg
3,737 lb
1,825 kg
4,023 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.9 L/100 km
34.1 mpg US
40.9 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
520 L
18.4 cu ft
Length
4,939 mm
194.4 in
Height
1,457 mm
57.4 in
Range score
926 km
576 mi
913 km
567 mi
CO2 score
154 g/km
-
Trunk score
530 L
18.7 cu ft
520 L
18.4 cu ft
Power-to-weight score
145 hp/t
108 kW/t
6.9 kg/hp
134 hp/t
100 kW/t
7.4 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) 45 TFSIAUDI A6 Sedan (C8) Facelift 2023 45 TDI V6
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK6.9 L/100 km34.1 mpg US40.9 mpg UK
Cost / 100 km11.90 LC100 km12.08 LC100 km
Cost / 100 mi19.15 LC100 mi19.43 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,035 L273 US gal228 UK gal
Annual fuel cost1,785 LC/year1,811 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) 45 TFSI

  • Is 130 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 0.1 L/100 km less fuel
  • Has 10 hp/t better power-to-weight
  • Has 13 km (8 mi) more estimated range
  • Has 10 L more trunk volume

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A6 Sedan (C8) 45 TFSI
AUDI A6 Sedan (C8) 45 TDI V6
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