Car comparison

Mercedes-Benz SL (R231) · Facelift 2016 SL 400 V6vsMorgan Plus Four 2.0 TwinPower Turbo

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

New comparison

Mercedes-Benz SL (R231) · Facelift 2016

SL 400 V6

367 hp2996 ccGasolineRWDAutomaticTwin-turboRoadster2019-2020

Morgan Plus Four

2.0 TwinPower Turbo

258 hp1998 ccGasolineRWDAutomaticTurbochargedRoadster2020-present

Comparison overview

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

Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6

Fastest top speed
270 km/h
168 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
367 hp
274 kW
Highest torque
500 Nm
369 lb-ft
Best overall score
61/100
Best performance score
73/100
Best practicality score
35/100

Morgan Plus Four 2.0 TwinPower Turbo

Quickest 0-100 km/h
4.8 s
Lightest
1,009 kg
2,224 lb
Best power-to-weight
256 hp/t
191 kW/t
3.9 kg/hp
Lowest combined fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
Best economy score
88/100

Specification comparison

Specification comparison
Model	Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	MorganPlus Four2.0 TwinPower Turbo
Power	367hp274kW	258hp192kW
Torque	500Nm369lb-ft	400Nm295lb-ft
Curb weight	1,660kg3,660lb	1,009kg2,224lb
Gross weight	2,115kg4,663lb	-
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph Calculated
To 99% top speed	66.2s99% target: 267 km/h / 166 mph Calculated	52.5s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.9s	4.8s
0-200 km/h	16.5s Calculated	15.6s Calculated
0-60 mph	4.7s Calculated	4.6s Calculated
Fuel consumption	8.6L/100 km27.4mpg US32.8mpg UK	7L/100 km33.6mpg US40.4mpg UK
Fuel consumption city	11.1L/100 km21.2mpg US25.4mpg UK	-
Fuel consumption highway	7.1L/100 km33.1mpg US39.8mpg UK	-
Quarter mile	13.0s Calculated	12.8s Calculated
Power-to-weight	221hp/t165kW/t100hp/1000 lb Calculated	256hp/t191kW/t116hp/1000 lb Calculated
Torque-to-weight	301Nm/t202lb-ft/ton Calculated	396Nm/t265lb-ft/ton Calculated
Estimated range	872km542mi Calculated	-
Displacement	2,996cc183cu in	1,998cc122cu in
Length	4,631mm182in	3,830mm151in
Width	1,877mm74in	1,650mm65in
Height	1,315mm52in	1,250mm49in
Wheelbase	2,585mm102in	-
Front track	1,600mm63in	-
Rear track	1,604mm63in	-
Trunk volume	364L	-
Max trunk volume	485L	-
Doors	2	2
Seats	2	2
Fuel tank	75L	-
CO2 emissions	-	159g/km

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	MorganPlus Four2.0 TwinPower Turbo
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.6 s
0-100 km/h 0-62 mph	4.9 s	4.8 s
0-200 km/h 0-124 mph	16.5 s	15.6 s
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Limited	Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.2 s
330 ft 101 m	5.7 s	5.7 s
1/8 mile 201 m	8.5 s	8.5 s
1000 ft 305 m	10.9 s	10.8 s
1/4 mile 402 m	13.0 s	12.8 s
Trap speed 1/4 mile 402 m	179 km/h 112 mph	183 km/h 114 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	367 hp 274 kW
MorganPlus Four2.0 TwinPower Turbo	258 hp 192 kW

Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 has 109 hp more than Morgan Plus Four 2.0 TwinPower Turbo.

The biggest power difference is between Morgan Plus Four 2.0 TwinPower Turbo and Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: 109 hp (81 kW).

Torque comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	500 Nm 369 lb-ft
MorganPlus Four2.0 TwinPower Turbo	400 Nm 295 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	1,660 kg 3,660 lb
MorganPlus Four2.0 TwinPower Turbo	1,009 kg 2,224 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph
MorganPlus Four2.0 TwinPower Turbo	Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	4.9 s
MorganPlus Four2.0 TwinPower Turbo	4.8 s

Although Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 has more power, Morgan Plus Four 2.0 TwinPower Turbo is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Morgan Plus Four 2.0 TwinPower Turbo and Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: 0.1 s.

Fuel consumption comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	8.6 L/100 km 27.4 mpg US 32.8 mpg UK
MorganPlus Four2.0 TwinPower Turbo	7.0 L/100 km 33.6 mpg US 40.4 mpg UK

The biggest fuel consumption difference is between Morgan Plus Four 2.0 TwinPower Turbo and Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: 1.6 L/100 km.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	221 hp/t 165 kW/t 4.5 kg/hp
MorganPlus Four2.0 TwinPower Turbo	256 hp/t 191 kW/t 3.9 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	367 hp 274 kW	4.9 s	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph
MorganPlus Four2.0 TwinPower Turbo	258 hp 192 kW	4.8 s	Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

Mercedes-BenzSL (R231)Facelift 2016SL 400 V6

Power	367 hp 274 kW
0-100 km/h	4.9 s
Top speed Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph

Doors/seats	2 doors 2 seats
Trunk	364 L 12.9 cu ft
Length	4,631 mm 182.3 in
Height	1,315 mm 51.8 in

MorganPlus Four2.0 TwinPower Turbo

Power	258 hp 192 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph

Doors/seats	2 doors 2 seats
Trunk	-
Length	3,830 mm 150.8 in
Height	1,250 mm 49.2 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Vehicle

Performance score

Fuel economy score

Mercedes-BenzSL (R231)Facelift 2016SL 400 V6

Power	367 hp 274 kW
0-100 km/h	4.9 s
Top speed Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph

8.6 L/100 km

27.4 mpg US

32.8 mpg UK

MorganPlus Four2.0 TwinPower Turbo

Power	258 hp 192 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 240 km/h149 mph

7.0 L/100 km

33.6 mpg US

40.4 mpg UK

Mercedes-Benz SL (R231) Facelift 2016 SL 400 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	8.6 L/100 km 27.4 mpg US 32.8 mpg UK	4.9 s
MorganPlus Four2.0 TwinPower Turbo	7.0 L/100 km 33.6 mpg US 40.4 mpg UK	4.8 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	221 hp/t 165 kW/t 4.5 kg/hp	8.6 L/100 km 27.4 mpg US 32.8 mpg UK
MorganPlus Four2.0 TwinPower Turbo	256 hp/t 191 kW/t 3.9 kg/hp	7.0 L/100 km 33.6 mpg US 40.4 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzSL (R231)Facelift 2016SL 400 V6

MorganPlus Four2.0 TwinPower Turbo

Power

367 hp

274 kW

258 hp

192 kW

Torque

500 Nm

369 lb-ft

400 Nm

295 lb-ft

Acceleration

4.9 s

4.8 s

Top speed

Unrestricted

270 km/h168 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

240 km/h149 mph

Lightness

1,660 kg

3,660 lb

1,009 kg

2,224 lb

Fuel consumption

8.6 L/100 km

27.4 mpg US

32.8 mpg UK

7.0 L/100 km

33.6 mpg US

40.4 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	364 L 12.9 cu ft
Length	4,631 mm 182.3 in
Height	1,315 mm 51.8 in

Doors/seats	2 doors 2 seats
Trunk	-
Length	3,830 mm 150.8 in
Height	1,250 mm 49.2 in

Range score

872 km

542 mi

CO2 score

159 g/km

Trunk score

364 L

12.9 cu ft

Power-to-weight score

221 hp/t

165 kW/t

4.5 kg/hp

256 hp/t

191 kW/t

3.9 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6	Morgan Plus Four 2.0 TwinPower Turbo
Consumption	8.6 L/100 km27.4 mpg US32.8 mpg UK	7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km	15.05 LC100 km	12.25 LC100 km
Cost / 100 mi	24.22 LC100 mi	19.71 LC100 mi
Annual fuel used	1,290 L341 US gal284 UK gal	1,050 L277 US gal231 UK gal
Annual fuel cost	2,258 LC/year	1,838 LC/year