Car comparison

AUDI A6 Sedan (C8) 45 TDI V6vsBuick LaCrosse III China · Facelift 2019 28T 2.0

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

New comparison

AUDI A6 Sedan (C8)

45 TDI V6

245 hp2967 ccDieselAWDAutomaticTurbochargedSedan2020-2023
VS

Buick LaCrosse III China · Facelift 2019

28T 2.0

240 hp1998 ccGasolineFWDAutomaticTurbochargedSedan2019-2023

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
    6.2 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
  • Lowest combined fuel consumption
    6.0 L/100 km
    39.2 mpg US
    47.1 mpg UK
  • 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 V6BuickLaCrosse III ChinaFacelift 201928T 2.0
Power
245hp183kW
240hp179kW
Torque
500Nm369lb-ft
350Nm258lb-ft
Curb weight
1,825kg4,023lb
1,600kg3,527lb
Gross weight
2,510kg5,534lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
235 km/h
146 mph
To 99% top speed
66.0s99% target: 257 km/h / 160 mph
Calculated
66.3s99% target: 233 km/h / 145 mph
Calculated
0-100 km/h
6.2s
7.5s
0-200 km/h
19.8s
Calculated
26.7s
Calculated
0-60 mph
5.9s
Calculated
7.2s
Calculated
Fuel consumption
6L/100 km39.2mpg US47.1mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Fuel consumption city
7.8L/100 km30.2mpg US36.2mpg UK
-
Fuel consumption highway
5L/100 km47mpg US56.5mpg UK
-
Quarter mile
14.2s
Calculated
15.3s
Calculated
Power-to-weight
134hp/t100kW/t61hp/1000 lb
Calculated
150hp/t112kW/t68hp/1000 lb
Calculated
Torque-to-weight
274Nm/t183lb-ft/ton
Calculated
219Nm/t146lb-ft/ton
Calculated
Estimated range
1,050km652mi
Calculated
-
Displacement
2,967cc181cu in
1,998cc122cu in
Length
4,939mm194in
5,026mm198in
Width
1,866mm73in
1,866mm73in
Height
1,457mm57in
1,462mm58in
Wheelbase
2,924mm115in
2,905mm114in
Front track
1,630mm64in
1,599mm63in
Rear track
1,617mm64in
1,602mm63in
Trunk volume
530L
-
Max trunk volume
995L
523L
Doors
4
4
Seats
5
5
Fuel tank
63L
-

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 V6Buick LaCrosse III China Facelift 2019 28T 2.0PowerTorque
  • AUDI A6 Sedan (C8) 45 TDI V6: Power / Torque
  • Buick LaCrosse III China Facelift 2019 28T 2.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA6 Sedan (C8)45 TDI V63,500-4,750 rpm1,500-3,250 rpm5,000 rpm
BuickLaCrosse III ChinaFacelift 201928T 2.05,000 rpm1,500-4,000 rpm5,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA6 Sedan (C8)45 TDI V6BuickLaCrosse III ChinaFacelift 201928T 2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
5.9 s
7.2 s
0-100 km/h
0-62 mph
6.2 s
7.5 s
0-200 km/h
0-124 mph
19.8 s
26.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
235 km/h
146 mph
Drag race simulation
60 ft
18 m
2.5 s
2.8 s
330 ft
101 m
6.4 s
7.0 s
1/8 mile
201 m
9.4 s
10.2 s
1000 ft
305 m
12.0 s
13.0 s
1/4 mile
402 m
14.2 s
15.3 s
Trap speed
1/4 mile
402 m
170 km/h
106 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)45 TDI V6
245 hp
183 kW
BuickLaCrosse III ChinaFacelift 201928T 2.0
240 hp
179 kW

AUDI A6 Sedan (C8) 45 TDI V6 has 5 hp more than Buick LaCrosse III China Facelift 2019 28T 2.0.

The biggest power difference is between Buick LaCrosse III China Facelift 2019 28T 2.0 and AUDI A6 Sedan (C8) 45 TDI V6: 5 hp (4 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
BuickLaCrosse III ChinaFacelift 201928T 2.0
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
BuickLaCrosse III ChinaFacelift 201928T 2.0
1,600 kg
3,527 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
BuickLaCrosse III ChinaFacelift 201928T 2.0
235 km/h
146 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 V66.2 s
BuickLaCrosse III ChinaFacelift 201928T 2.07.5 s

The biggest 0-100 km/h difference is between AUDI A6 Sedan (C8) 45 TDI V6 and Buick LaCrosse III China Facelift 2019 28T 2.0: 1.3 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
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BuickLaCrosse III ChinaFacelift 201928T 2.0
6.9 L/100 km
34.1 mpg US
40.9 mpg UK

The biggest fuel consumption difference is between AUDI A6 Sedan (C8) 45 TDI V6 and Buick LaCrosse III China Facelift 2019 28T 2.0: 0.9 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
134 hp/t
100 kW/t
7.4 kg/hp
BuickLaCrosse III ChinaFacelift 201928T 2.0
150 hp/t
112 kW/t
6.7 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA6 Sedan (C8)45 TDI V6
245 hp
183 kW
6.2 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BuickLaCrosse III ChinaFacelift 201928T 2.0
240 hp
179 kW
7.5 s
235 km/h
146 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
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
530 L
18.7 cu ft
Length
4,939 mm
194.4 in
Height
1,457 mm
57.4 in
BuickLaCrosse III ChinaFacelift 201928T 2.0
Power
240 hp
179 kW
0-100 km/h7.5 s
Top speed
235 km/h
146 mph
Doors/seats
4 doors
5 seats
Trunk
523 L
18.5 cu ft
Length
5,026 mm
197.9 in
Height
1,462 mm
57.6 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
245 hp
183 kW
0-100 km/h6.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BuickLaCrosse III ChinaFacelift 201928T 2.0
Power
240 hp
179 kW
0-100 km/h7.5 s
Top speed
235 km/h
146 mph
6.9 L/100 km
34.1 mpg US
40.9 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
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
6.2 s
BuickLaCrosse III ChinaFacelift 201928T 2.0
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
7.5 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
134 hp/t
100 kW/t
7.4 kg/hp
6.0 L/100 km
39.2 mpg US
47.1 mpg UK
BuickLaCrosse III ChinaFacelift 201928T 2.0
150 hp/t
112 kW/t
6.7 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 TDI V6BuickLaCrosse III ChinaFacelift 201928T 2.0
Power
245 hp
183 kW
240 hp
179 kW
Torque
500 Nm
369 lb-ft
350 Nm
258 lb-ft
Acceleration
6.2 s
7.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
235 km/h
146 mph
Lightness
1,825 kg
4,023 lb
1,600 kg
3,527 lb
Fuel consumption
6.0 L/100 km
39.2 mpg US
47.1 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
523 L
18.5 cu ft
Length
5,026 mm
197.9 in
Height
1,462 mm
57.6 in
Range score
1,050 km
652 mi
-
Trunk score
530 L
18.7 cu ft
523 L
18.5 cu ft
Power-to-weight score
134 hp/t
100 kW/t
7.4 kg/hp
150 hp/t
112 kW/t
6.7 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 V6Buick LaCrosse III China Facelift 2019 28T 2.0
Consumption6 L/100 km39.2 mpg US47.1 mpg UK6.9 L/100 km34.1 mpg US40.9 mpg UK
Cost / 100 km10.50 LC100 km12.08 LC100 km
Cost / 100 mi16.90 LC100 mi19.43 LC100 mi
Annual fuel used900 L238 US gal198 UK gal1,035 L273 US gal228 UK gal
Annual fuel cost1,575 LC/year1,811 LC/year

Head-to-head comparisons

AUDI A6 Sedan (C8) 45 TDI V6

  • Has 5 hp more
  • Has 150 Nm more
  • Is 1.3 s quicker from 0-100 km/h
  • Has 25 km/h (16 mph) higher top speed
  • Uses 0.9 L/100 km less fuel
  • Has 7 L more trunk volume

Pros

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

Cons

  • Heaviest

Buick LaCrosse III China Facelift 2019 28T 2.0

  • Is 225 kg lighter
  • Has 16 hp/t better power-to-weight

Pros

  • Lightest
  • Best power-to-weight ratio

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 TDI V6
Buick LaCrosse III China 28T 2.0
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