Car comparison

AUDI RS5 Coupe (8T) 4.2 FSI V8vsBMW 6 Series Coupe (F13) 650i

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

New comparison

AUDI RS5 Coupe (8T)

4.2 FSI V8

450 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCoupe2010-2011
VS

BMW 6 Series Coupe (F13)

650i

450 hp4395 ccGasolineRWDAutomaticTurbochargedCoupe2012-2015

Comparison overview

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

Best choices

BMW 6 Series Coupe (F13) 650i

  • Highest torque
    650 Nm
    479 lb-ft
  • Lowest combined fuel consumption
    8.9 L/100 km
    26.4 mpg US
    31.7 mpg UK
  • Lowest city consumption
    12.4 L/100 km
    19.0 mpg US
    22.8 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Lowest CO2 emissions
    206 g/km
  • Best estimated range
    787 km
    489 mi
  • Largest trunk
    460 L
  • Best overall score
    72/100
  • Best performance score
    80/100
  • Best economy score
    83/100

AUDI RS5 Coupe (8T) 4.2 FSI V8

  • Quickest 0-100 km/h
    4.6 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Lightest
    1,725 kg
    3,803 lb
  • Best power-to-weight
    261 hp/t
    195 kW/t
    3.8 kg/hp
  • Best practicality score
    58/100

Specification comparison

Specification comparison
ModelAUDIRS5 Coupe (8T)4.2 FSI V8BMW6 Series Coupe (F13)650i
Power
450hp336kW
450hp336kW
Torque
430Nm317lb-ft
650Nm479lb-ft
Curb weight
1,725kg3,803lb
1,795kg3,957lb
Gross weight
2,225kg4,905lb
2,290kg5,049lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
60.6s99% target: 262 km/h / 163 mph
Calculated
60.7s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
4.6s
0-200 km/h
15.8s
Calculated
15.8s
Calculated
0-60 mph
4.4s
Calculated
4.4s
Calculated
Fuel consumption
10.8L/100 km21.8mpg US26.2mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption city
14.9L/100 km15.8mpg US19.0mpg UK
12.4L/100 km19mpg US22.8mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
6.9L/100 km34.1mpg US40.9mpg UK
Quarter mile
12.7s
Calculated
12.7s
Calculated
Power-to-weight
261hp/t195kW/t118hp/1000 lb
Calculated
251hp/t187kW/t114hp/1000 lb
Calculated
Torque-to-weight
249Nm/t167lb-ft/ton
Calculated
362Nm/t242lb-ft/ton
Calculated
Estimated range
593km368mi
Calculated
787km489mi
Calculated
Displacement
4,163cc254cu in
4,395cc268cu in
Length
4,649mm183in
4,894mm193in
Width
1,860mm73in
1,894mm75in
Height
1,366mm54in
1,369mm54in
Wheelbase
2,751mm108in
2,855mm112in
Front track
1,586mm62in
1,600mm63in
Rear track
1,582mm62in
1,665mm66in
Ground clearance-
124mm5in
Trunk volume
455L
460L
Max trunk volume
829L
-
Doors
2
2
Seats
5
4
Fuel tank
64L
70L
CO2 emissions
252g/km
206g/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 RS5 Coupe (8T) 4.2 FSI V8BMW 6 Series Coupe (F13) 650iPowerTorque
  • AUDI RS5 Coupe (8T) 4.2 FSI V8: Power / Torque
  • BMW 6 Series Coupe (F13) 650i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS5 Coupe (8T)4.2 FSI V88,250 rpm4,000-6,000 rpm8,500 rpm
BMW6 Series Coupe (F13)650i5,500 rpm2,000-4,500 rpm5,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS5 Coupe (8T)4.2 FSI V8BMW6 Series Coupe (F13)650i
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.4 s
0-100 km/h
0-62 mph
4.6 s
4.6 s
0-200 km/h
0-124 mph
15.8 s
15.8 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.1 s
330 ft
101 m
5.5 s
5.5 s
1/8 mile
201 m
8.3 s
8.3 s
1000 ft
305 m
10.7 s
10.7 s
1/4 mile
402 m
12.7 s
12.7 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
182 km/h
113 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
450 hp
336 kW
BMW6 Series Coupe (F13)650i
450 hp
336 kW

Torque comparison

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

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
430 Nm
317 lb-ft
BMW6 Series Coupe (F13)650i
650 Nm
479 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
1,725 kg
3,803 lb
BMW6 Series Coupe (F13)650i
1,795 kg
3,957 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW6 Series Coupe (F13)650i
Unrestricted
265 km/h165 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
AUDIRS5 Coupe (8T)4.2 FSI V84.6 s
BMW6 Series Coupe (F13)650i4.6 s

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW6 Series Coupe (F13)650i
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Coupe (F13) 650i and AUDI RS5 Coupe (8T) 4.2 FSI V8: 1.9 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
AUDIRS5 Coupe (8T)4.2 FSI V8
261 hp/t
195 kW/t
3.8 kg/hp
BMW6 Series Coupe (F13)650i
251 hp/t
187 kW/t
4.0 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS5 Coupe (8T)4.2 FSI V8
593 km
368 mi
BMW6 Series Coupe (F13)650i
787 km
489 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS5 Coupe (8T)4.2 FSI V8
450 hp
336 kW
4.6 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW6 Series Coupe (F13)650i
450 hp
336 kW
4.6 s
Unrestricted
265 km/h165 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
AUDIRS5 Coupe (8T)4.2 FSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,649 mm
183.0 in
Height
1,366 mm
53.8 in
BMW6 Series Coupe (F13)650i
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,369 mm
53.9 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
AUDIRS5 Coupe (8T)4.2 FSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW6 Series Coupe (F13)650i
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

BMW 6 Series Coupe (F13) 650i 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
AUDIRS5 Coupe (8T)4.2 FSI V8
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
4.6 s
BMW6 Series Coupe (F13)650i
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
4.6 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
AUDIRS5 Coupe (8T)4.2 FSI V8
261 hp/t
195 kW/t
3.8 kg/hp
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
BMW6 Series Coupe (F13)650i
251 hp/t
187 kW/t
4.0 kg/hp
8.9 L/100 km
26.4 mpg US
31.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS5 Coupe (8T)4.2 FSI V8BMW6 Series Coupe (F13)650i
Power
450 hp
336 kW
450 hp
336 kW
Torque
430 Nm
317 lb-ft
650 Nm
479 lb-ft
Acceleration
4.6 s
4.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,725 kg
3,803 lb
1,795 kg
3,957 lb
Fuel consumption
10.8 L/100 km
21.8 mpg US
26.2 mpg UK
8.9 L/100 km
26.4 mpg US
31.7 mpg UK
Practicality
Doors/seats
2 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,649 mm
183.0 in
Height
1,366 mm
53.8 in
Doors/seats
2 doors
4 seats
Trunk
460 L
16.2 cu ft
Length
4,894 mm
192.7 in
Height
1,369 mm
53.9 in
Range score
593 km
368 mi
787 km
489 mi
CO2 score
252 g/km
206 g/km
Trunk score
455 L
16.1 cu ft
460 L
16.2 cu ft
Power-to-weight score
261 hp/t
195 kW/t
3.8 kg/hp
251 hp/t
187 kW/t
4.0 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 RS5 Coupe (8T) 4.2 FSI V8BMW 6 Series Coupe (F13) 650i
Consumption10.8 L/100 km21.8 mpg US26.2 mpg UK8.9 L/100 km26.4 mpg US31.7 mpg UK
Cost / 100 km18.90 LC100 km15.58 LC100 km
Cost / 100 mi30.42 LC100 mi25.07 LC100 mi
Annual fuel used1,620 L428 US gal356 UK gal1,335 L353 US gal294 UK gal
Annual fuel cost2,835 LC/year2,336 LC/year

Head-to-head comparisons

AUDI RS5 Coupe (8T) 4.2 FSI V8

  • Is 70 kg lighter
  • Has 10 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk
  • Highest CO2 emissions

BMW 6 Series Coupe (F13) 650i

  • Has 220 Nm more
  • Uses 1.9 L/100 km less fuel
  • Has 194 km (120 mi) more estimated range
  • Has 5 L more trunk volume
  • Emits 46 g/km less CO2

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS5 Coupe (8T) 4.2 FSI V8
BMW 6 Series Coupe (F13) 650i
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2 vehicles selected

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