Car comparison

AUDI A8 (D4/4H) 4.2 FSI V8vsAUDI A8 (D5) 50 TDI V6

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

New comparison

AUDI A8 (D4/4H)

4.2 FSI V8

372 hp4163 ccGasolineAWDAutomaticNaturally aspiratedSedan2010-2012
VS

AUDI A8 (D5)

50 TDI V6

286 hp2967 ccDieselAWDAutomaticTurbochargedSedan2017-2019

Comparison overview

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

Best choices

AUDI A8 (D4/4H) 4.2 FSI V8

  • Quickest 0-100 km/h
    5.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    372 hp
    277 kW
  • Lightest
    1,835 kg
    4,045 lb
  • Best power-to-weight
    203 hp/t
    151 kW/t
    4.9 kg/hp
  • Largest trunk
    510 L
  • Best overall score
    72/100
  • Best performance score
    70/100
  • Best practicality score
    76/100

AUDI A8 (D5) 50 TDI V6

  • Highest torque
    600 Nm
    443 lb-ft
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    6.5 L/100 km
    36.2 mpg US
    43.5 mpg UK
  • Lowest highway consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Lowest CO2 emissions
    152 g/km
  • Best estimated range
    1,241 km
    771 mi
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelAUDIA8 (D4/4H)4.2 FSI V8AUDIA8 (D5)50 TDI V6
Power
372hp277kW
286hp213kW
Torque
445Nm328lb-ft
600Nm443lb-ft
Curb weight
1,835kg4,045lb
1,975kg4,354lb
Gross weight
2,525kg5,567lb
2,690kg5,930lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
56.4s99% target: 262 km/h / 163 mph
Calculated
62.8s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.7s
5.9s
0-200 km/h
17.1s
Calculated
18.9s
Calculated
0-60 mph
5.5s
Calculated
5.6s
Calculated
Fuel consumption
9.5L/100 km24.8mpg US29.7mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Fuel consumption city
13.3L/100 km17.7mpg US21.2mpg UK
6.5L/100 km36.2mpg US43.5mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
5.5L/100 km42.8mpg US51.4mpg UK
Quarter mile
13.6s
Calculated
13.9s
Calculated
Power-to-weight
203hp/t151kW/t92hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
243Nm/t162lb-ft/ton
Calculated
304Nm/t203lb-ft/ton
Calculated
Estimated range
947km589mi
Calculated
1,241km771mi
Calculated
Displacement
4,163cc254cu in
2,967cc181cu in
Length
5,137mm202in
5,172mm204in
Width
1,949mm77in
1,945mm77in
Height
1,460mm57in
1,473mm58in
Wheelbase
2,992mm118in
2,998mm118in
Front track
1,644mm65in
1,644mm65in
Rear track
1,635mm64in
1,633mm64in
Trunk volume
510L
505L
Max trunk volume
906L
-
Doors
4
4
Seats
5
5
Fuel tank
90L
72L
CO2 emissions
219g/km
152g/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 A8 (D4/4H) 4.2 FSI V8AUDI A8 (D5) 50 TDI V6PowerTorque
  • AUDI A8 (D4/4H) 4.2 FSI V8: Power / Torque
  • AUDI A8 (D5) 50 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIA8 (D4/4H)4.2 FSI V86,800 rpm3,500 rpm7,050 rpm
AUDIA8 (D5)50 TDI V63,750-4,000 rpm1,250-3,250 rpm4,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIA8 (D4/4H)4.2 FSI V8AUDIA8 (D5)50 TDI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
5.5 s
5.6 s
0-100 km/h
0-62 mph
5.7 s
5.9 s
0-200 km/h
0-124 mph
17.1 s
18.9 s
Top speed
Unrestricted
265 km/h165 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
6.2 s
6.3 s
1/8 mile
201 m
9.1 s
9.2 s
1000 ft
305 m
11.6 s
11.8 s
1/4 mile
402 m
13.6 s
13.9 s
Trap speed
1/4 mile
402 m
179 km/h
111 mph
173 km/h
108 mph

Power comparison

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

Chart data table
VehicleValue
AUDIA8 (D4/4H)4.2 FSI V8
372 hp
277 kW
AUDIA8 (D5)50 TDI V6
286 hp
213 kW

AUDI A8 (D4/4H) 4.2 FSI V8 has 86 hp more than AUDI A8 (D5) 50 TDI V6.

The biggest power difference is between AUDI A8 (D5) 50 TDI V6 and AUDI A8 (D4/4H) 4.2 FSI V8: 86 hp (64 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIA8 (D4/4H)4.2 FSI V8
445 Nm
328 lb-ft
AUDIA8 (D5)50 TDI V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIA8 (D4/4H)4.2 FSI V8
1,835 kg
4,045 lb
AUDIA8 (D5)50 TDI V6
1,975 kg
4,354 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIA8 (D4/4H)4.2 FSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D5)50 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
AUDIA8 (D4/4H)4.2 FSI V85.7 s
AUDIA8 (D5)50 TDI V65.9 s

The biggest 0-100 km/h difference is between AUDI A8 (D4/4H) 4.2 FSI V8 and AUDI A8 (D5) 50 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
AUDIA8 (D4/4H)4.2 FSI V8
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
AUDIA8 (D5)50 TDI V6
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

The biggest fuel consumption difference is between AUDI A8 (D5) 50 TDI V6 and AUDI A8 (D4/4H) 4.2 FSI V8: 3.7 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
AUDIA8 (D4/4H)4.2 FSI V8
203 hp/t
151 kW/t
4.9 kg/hp
AUDIA8 (D5)50 TDI V6
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIA8 (D4/4H)4.2 FSI V8
947 km
589 mi
AUDIA8 (D5)50 TDI V6
1,241 km
771 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIA8 (D4/4H)4.2 FSI V8
372 hp
277 kW
5.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D5)50 TDI V6
286 hp
213 kW
5.9 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
AUDIA8 (D4/4H)4.2 FSI V8
Power
372 hp
277 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
5,137 mm
202.2 in
Height
1,460 mm
57.5 in
AUDIA8 (D5)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,172 mm
203.6 in
Height
1,473 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
AUDIA8 (D4/4H)4.2 FSI V8
Power
372 hp
277 kW
0-100 km/h5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
AUDIA8 (D5)50 TDI V6
Power
286 hp
213 kW
0-100 km/h5.9 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

AUDI A8 (D5) 50 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
AUDIA8 (D4/4H)4.2 FSI V8
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
5.7 s
AUDIA8 (D5)50 TDI V6
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
5.9 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
AUDIA8 (D4/4H)4.2 FSI V8
203 hp/t
151 kW/t
4.9 kg/hp
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
AUDIA8 (D5)50 TDI V6
145 hp/t
108 kW/t
6.9 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIA8 (D4/4H)4.2 FSI V8AUDIA8 (D5)50 TDI V6
Power
372 hp
277 kW
286 hp
213 kW
Torque
445 Nm
328 lb-ft
600 Nm
443 lb-ft
Acceleration
5.7 s
5.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,835 kg
4,045 lb
1,975 kg
4,354 lb
Fuel consumption
9.5 L/100 km
24.8 mpg US
29.7 mpg UK
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
510 L
18.0 cu ft
Length
5,137 mm
202.2 in
Height
1,460 mm
57.5 in
Doors/seats
4 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
5,172 mm
203.6 in
Height
1,473 mm
58.0 in
Range score
947 km
589 mi
1,241 km
771 mi
CO2 score
219 g/km
152 g/km
Trunk score
510 L
18.0 cu ft
505 L
17.8 cu ft
Power-to-weight score
203 hp/t
151 kW/t
4.9 kg/hp
145 hp/t
108 kW/t
6.9 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 A8 (D4/4H) 4.2 FSI V8AUDI A8 (D5) 50 TDI V6
Consumption9.5 L/100 km24.8 mpg US29.7 mpg UK5.8 L/100 km40.6 mpg US48.7 mpg UK
Cost / 100 km16.63 LC100 km10.15 LC100 km
Cost / 100 mi26.76 LC100 mi16.33 LC100 mi
Annual fuel used1,425 L376 US gal313 UK gal870 L230 US gal191 UK gal
Annual fuel cost2,494 LC/year1,523 LC/year

Head-to-head comparisons

AUDI A8 (D4/4H) 4.2 FSI V8

  • Has 86 hp more
  • Is 140 kg lighter
  • Is 0.2 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Has 58 hp/t better power-to-weight
  • Has 5 L more trunk volume

Pros

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

Cons

  • Highest combined fuel consumption
  • Highest CO2 emissions

AUDI A8 (D5) 50 TDI V6

  • Has 155 Nm more
  • Uses 3.7 L/100 km less fuel
  • Has 294 km (183 mi) more estimated range
  • Emits 67 g/km less CO2

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI A8 (D4/4H) 4.2 FSI V8
AUDI A8 (D5) 50 TDI V6
Compare selected cars
2 vehicles selected

Popular comparisons

AUDI A8 (D4/4H) 4.2 FSI V8 vs AUDI A8 (D5) 50 TDI V6 - car comparison - FastVsFaster