Car comparison

AUDI RS5 Cabriolet (8T) · Facelift 2013 4.2 FSIvsMorgan Plus 8 4.8 V8

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

New comparison

AUDI RS5 Cabriolet (8T) · Facelift 2013

4.2 FSI

450 hp4163 ccGasolineAWDAutomaticNaturally aspiratedCabriolet / convertible2013-2015
VS

Morgan Plus 8

4.8 V8

367 hp4799 ccGasolineRWDAutomaticNaturally aspiratedCabriolet / convertible2012-2018

Comparison overview

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

Best choices

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Lowest combined fuel consumption
    10.7 L/100 km
    22.0 mpg US
    26.4 mpg UK
  • Lowest city consumption
    14.6 L/100 km
    16.1 mpg US
    19.3 mpg UK
  • Lowest CO2 emissions
    249 g/km
  • Best estimated range
    570 km
    354 mi
  • Best overall score
    64/100
  • Best economy score
    78/100
  • Best practicality score
    46/100

Morgan Plus 8 4.8 V8

  • Quickest 0-100 km/h
    4.5 s
  • Highest torque
    490 Nm
    361 lb-ft
  • Lightest
    1,220 kg
    2,690 lb
  • Best power-to-weight
    301 hp/t
    224 kW/t
    3.3 kg/hp
  • Lowest highway consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Best performance score
    74/100

Specification comparison

Specification comparison
ModelAUDIRS5 Cabriolet (8T)Facelift 20134.2 FSIMorganPlus 84.8 V8
Power
450hp336kW
367hp274kW
Torque
430Nm317lb-ft
490Nm361lb-ft
Curb weight
1,920kg4,233lb
1,220kg2,690lb
Gross weight
2,420kg5,335lb
-
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
249 km/h
155 mph
To 99% top speed
65.2s99% target: 257 km/h / 160 mph
Calculated
45.2s99% target: 247 km/h / 153 mph
Calculated
0-100 km/h
4.9s
4.5s
0-200 km/h
17.5s
Calculated
15.1s
Calculated
0-60 mph
4.7s
Calculated
4.3s
Calculated
Fuel consumption
10.7L/100 km22mpg US26.4mpg UK
11L/100 km21.4mpg US25.7mpg UK
Fuel consumption city
14.6L/100 km16.1mpg US19.3mpg UK
16.4L/100 km14.3mpg US17.2mpg UK
Fuel consumption highway
8.5L/100 km27.7mpg US33.2mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Quarter mile
13.0s
Calculated
12.5s
Calculated
Power-to-weight
234hp/t175kW/t106hp/1000 lb
Calculated
301hp/t224kW/t136hp/1000 lb
Calculated
Torque-to-weight
224Nm/t150lb-ft/ton
Calculated
402Nm/t269lb-ft/ton
Calculated
Estimated range
570km354mi
Calculated
500km311mi
Calculated
Displacement
4,163cc254cu in
4,799cc293cu in
Length
4,649mm183in
4,010mm158in
Width
1,860mm73in
1,751mm69in
Height
1,380mm54in
1,220mm48in
Wheelbase
2,751mm108in
-
Front track
1,586mm62in
-
Rear track
1,582mm62in
-
Trunk volume
320L
-
Max trunk volume
750L
-
Doors
2
2
Seats
4
2
Fuel tank
61L
55L
CO2 emissions
249g/km
256g/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 Cabriolet (8T) Facelift 2013 4.2 FSIMorgan Plus 8 4.8 V8PowerTorque
  • AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: Power / Torque
  • Morgan Plus 8 4.8 V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI8,250 rpm4,000-6,000 rpm8,500 rpm
MorganPlus 84.8 V86,300 rpm-6,550 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS5 Cabriolet (8T)Facelift 20134.2 FSIMorganPlus 84.8 V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.7 s
4.3 s
0-100 km/h
0-62 mph
4.9 s
4.5 s
0-200 km/h
0-124 mph
17.5 s
15.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
249 km/h
155 mph
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.5 s
8.2 s
1000 ft
305 m
11.0 s
10.6 s
1/4 mile
402 m
13.0 s
12.5 s
Trap speed
1/4 mile
402 m
177 km/h
110 mph
185 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW
MorganPlus 84.8 V8
367 hp
274 kW

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI has 83 hp more than Morgan Plus 8 4.8 V8.

The biggest power difference is between Morgan Plus 8 4.8 V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 83 hp (62 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
430 Nm
317 lb-ft
MorganPlus 84.8 V8
490 Nm
361 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
1,920 kg
4,233 lb
MorganPlus 84.8 V8
1,220 kg
2,690 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 Cabriolet (8T)Facelift 20134.2 FSI
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
MorganPlus 84.8 V8
249 km/h
155 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI4.9 s
MorganPlus 84.8 V84.5 s

Although AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI has more power, Morgan Plus 8 4.8 V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Morgan Plus 8 4.8 V8 and AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI: 0.4 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 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
MorganPlus 84.8 V8
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp
MorganPlus 84.8 V8
301 hp/t
224 kW/t
3.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
570 km
354 mi
MorganPlus 84.8 V8
500 km
311 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
450 hp
336 kW
4.9 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
MorganPlus 84.8 V8
367 hp
274 kW
4.5 s
249 km/h
155 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 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 in
MorganPlus 84.8 V8
Power
367 hp
274 kW
0-100 km/h4.5 s
Top speed
249 km/h
155 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,010 mm
157.9 in
Height
1,220 mm
48.0 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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
Power
450 hp
336 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
MorganPlus 84.8 V8
Power
367 hp
274 kW
0-100 km/h4.5 s
Top speed
249 km/h
155 mph
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Morgan Plus 8 4.8 V8 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 Cabriolet (8T)Facelift 20134.2 FSI
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.9 s
MorganPlus 84.8 V8
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
4.5 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
AUDIRS5 Cabriolet (8T)Facelift 20134.2 FSI
234 hp/t
175 kW/t
4.3 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
MorganPlus 84.8 V8
301 hp/t
224 kW/t
3.3 kg/hp
11.0 L/100 km
21.4 mpg US
25.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS5 Cabriolet (8T)Facelift 20134.2 FSIMorganPlus 84.8 V8
Power
450 hp
336 kW
367 hp
274 kW
Torque
430 Nm
317 lb-ft
490 Nm
361 lb-ft
Acceleration
4.9 s
4.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
249 km/h
155 mph
Lightness
1,920 kg
4,233 lb
1,220 kg
2,690 lb
Fuel consumption
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
11.0 L/100 km
21.4 mpg US
25.7 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
320 L
11.3 cu ft
Length
4,649 mm
183.0 in
Height
1,380 mm
54.3 in
Doors/seats
2 doors
2 seats
Trunk-
Length
4,010 mm
157.9 in
Height
1,220 mm
48.0 in
Range score
570 km
354 mi
500 km
311 mi
CO2 score
249 g/km
256 g/km
Trunk score
320 L
11.3 cu ft
-
Power-to-weight score
234 hp/t
175 kW/t
4.3 kg/hp
301 hp/t
224 kW/t
3.3 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 Cabriolet (8T) Facelift 2013 4.2 FSIMorgan Plus 8 4.8 V8
Consumption10.7 L/100 km22 mpg US26.4 mpg UK11 L/100 km21.4 mpg US25.7 mpg UK
Cost / 100 km18.72 LC100 km19.25 LC100 km
Cost / 100 mi30.13 LC100 mi30.98 LC100 mi
Annual fuel used1,605 L424 US gal353 UK gal1,650 L436 US gal363 UK gal
Annual fuel cost2,809 LC/year2,888 LC/year

Head-to-head comparisons

AUDI RS5 Cabriolet (8T) Facelift 2013 4.2 FSI

  • Has 83 hp more
  • Has 11 km/h (7 mph) higher top speed
  • Uses 0.3 L/100 km less fuel
  • Has 70 km (44 mi) more estimated range
  • Emits 7 g/km less CO2

Pros

  • Highest top speed
  • Most powerful
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest

Morgan Plus 8 4.8 V8

  • Has 60 Nm more
  • Is 700 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Has 66 hp/t better power-to-weight

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lightest
  • Best power-to-weight ratio

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS5 Cabriolet (8T) 4.2 FSI
Morgan Plus 8 4.8 V8
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