Car comparison

AUDI A6 Sedan (C8) · Facelift 2023 45 TDI V6vsBuick LaCrosse IV 28T

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

New comparison

AUDI A6 Sedan (C8) · Facelift 2023

45 TDI V6

245 hp2967 ccDieselAWDAutomaticTurbochargedSedan2023-2025
VS

Buick LaCrosse IV

28T

237 hp1998 ccGasolineFWDAutomaticTurbochargedSedan2023-present

Comparison overview

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

Best choices

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6

  • Quickest 0-100 km/h
    6.2 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    245 hp
    183 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Best estimated range
    913 km
    567 mi
  • Largest trunk
    520 L
  • Best overall score
    66/100
  • Best performance score
    62/100
  • Best practicality score
    76/100

Buick LaCrosse IV 28T

  • Lightest
    1,609 kg
    3,547 lb
  • Best power-to-weight
    147 hp/t
    110 kW/t
    6.8 kg/hp
  • Lowest combined fuel consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Best economy score
    89/100

Specification comparison

Specification comparison
ModelAUDIA6 Sedan (C8)Facelift 202345 TDI V6BuickLaCrosse IV28T
Power
245hp183kW
237hp177kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,825kg4,023lb
1,609kg3,547lb
Gross weight
2,510kg5,534lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph
Calculated
To 99% top speed
66.2s99% target: 257 km/h / 160 mph
Calculated
67.3s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
6.2s
7.2s
0-200 km/h
19.9s
Calculated
24.1s
Calculated
0-60 mph
5.9s
Calculated
6.9s
Calculated
Fuel consumption
6.9L/100 km34.1mpg US40.9mpg UK
6.6L/100 km35.6mpg US42.8mpg UK
Quarter mile
14.2s
Calculated
15.1s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
147hp/t110kW/t67hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
218Nm/t146lb-ft/ton
Calculated
Estimated range
913km567mi
Calculated
909km565mi
Calculated
Displacement
2,967cc181cu in
1,998cc122cu in
Length
4,939mm194in
4,996mm197in
Width
1,886mm74in
1,866mm73in
Height
1,457mm57in
1,472mm58in
Wheelbase
2,924mm115in
2,905mm114in
Front track
1,630mm64in
1,607mm63in
Rear track
1,617mm64in
1,611mm63in
Trunk volume
520L
506L
Doors
4
4
Seats
5
5
Fuel tank
63L
60L

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 TDI V6Buick LaCrosse IV 28TPowerTorque
  • AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: Power / Torque
  • Buick LaCrosse IV 28T: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)Facelift 202345 TDI V63,500-4,750 rpm1,500-3,250 rpm5,000 rpm
BuickLaCrosse IV28T5,000 rpm1,500-4,000 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)Facelift 202345 TDI V6BuickLaCrosse IV28T
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
6.9 s
0-100 km/h
0-62 mph
6.2 s
7.2 s
0-200 km/h
0-124 mph
19.9 s
24.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph
Likely limited
Drag race simulation
60 ft
18 m
2.5 s
2.7 s
330 ft
101 m
6.4 s
6.9 s
1/8 mile
201 m
9.4 s
10.1 s
1000 ft
305 m
12.0 s
12.8 s
1/4 mile
402 m
14.2 s
15.1 s
Trap speed
1/4 mile
402 m
170 km/h
106 mph
161 km/h
100 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW
BuickLaCrosse IV28T
237 hp
177 kW

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6 has 8 hp more than Buick LaCrosse IV 28T.

The biggest power difference is between Buick LaCrosse IV 28T and AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6: 8 hp (6 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
500 Nm
369 lb-ft
BuickLaCrosse IV28T
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 TDI V6
1,825 kg
4,023 lb
BuickLaCrosse IV28T
1,609 kg
3,547 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 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BuickLaCrosse IV28T
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6 and Buick LaCrosse IV 28T: 1.0 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 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
BuickLaCrosse IV28T
6.6 L/100 km
35.6 mpg US
42.8 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)Facelift 202345 TDI V6
134 hp/t
100 kW/t
7.4 kg/hp
BuickLaCrosse IV28T
147 hp/t
110 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 TDI V6
913 km
567 mi
BuickLaCrosse IV28T
909 km
565 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)Facelift 202345 TDI V6
245 hp
183 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BuickLaCrosse IV28T
237 hp
177 kW
7.2 s
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 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 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
BuickLaCrosse IV28T
Power
237 hp
177 kW
0-100 km/h7.2 s
Top speed
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph
Doors/seats
4 doors
5 seats
Trunk
506 L
17.9 cu ft
Length
4,996 mm
196.7 in
Height
1,472 mm
58.0 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 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
BuickLaCrosse IV28T
Power
237 hp
177 kW
0-100 km/h7.2 s
Top speed
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph
6.6 L/100 km
35.6 mpg US
42.8 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)Facelift 202345 TDI V6
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
6.2 s
BuickLaCrosse IV28T
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
7.2 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)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
BuickLaCrosse IV28T
147 hp/t
110 kW/t
6.8 kg/hp
6.6 L/100 km
35.6 mpg US
42.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA6 Sedan (C8)Facelift 202345 TDI V6BuickLaCrosse IV28T
Power
245 hp
183 kW
237 hp
177 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
6.2 s
7.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
245 km/h152 mph
Restricted
230 km/h143 mph
Lightness
1,825 kg
4,023 lb
1,609 kg
3,547 lb
Fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
6.6 L/100 km
35.6 mpg US
42.8 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
506 L
17.9 cu ft
Length
4,996 mm
196.7 in
Height
1,472 mm
58.0 in
Range score
913 km
567 mi
909 km
565 mi
Trunk score
520 L
18.4 cu ft
506 L
17.9 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.4 kg/hp
147 hp/t
110 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 TDI V6Buick LaCrosse IV 28T
Consumption6.9 L/100 km34.1 mpg US40.9 mpg UK6.6 L/100 km35.6 mpg US42.8 mpg UK
Cost / 100 km12.08 LC100 km11.55 LC100 km
Cost / 100 mi19.43 LC100 mi18.59 LC100 mi
Annual fuel used1,035 L273 US gal228 UK gal990 L262 US gal218 UK gal
Annual fuel cost1,811 LC/year1,733 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) Facelift 2023 45 TDI V6

  • Has 8 hp more
  • Has 150 Nm more
  • Is 1.0 s quicker from 0-100 km/h
  • Has 15 km/h (9 mph) higher top speed
  • Has 4 km (2 mi) more estimated range
  • Has 14 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

Buick LaCrosse IV 28T

  • Is 216 kg lighter
  • Uses 0.3 L/100 km less fuel
  • Has 13 hp/t better power-to-weight

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

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

Choose cars to compare

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Model
Generation
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AUDI A6 Sedan (C8) 45 TDI V6
Buick LaCrosse IV 28T
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AUDI A6 Sedan (C8) · Facelift 2023 45 TDI V6 vs Buick LaCrosse IV 28T - car comparison - FastVsFaster