Car comparison

Mercedes-Benz SL (R231) · Facelift 2016 SL 400 V6vsMorgan Plus Six 3.0 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-turboRoadster2016-2018

Morgan Plus Six

3.0 TwinPower Turbo

340 hp2998 ccGasolineRWDAutomaticTurbochargedRoadster2019-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
Lowest combined fuel consumption
7.7 L/100 km
30.5 mpg US
36.7 mpg UK
Lowest CO2 emissions
175 g/km
Best overall score
61/100
Best economy score
86/100
Best practicality score
34/100

Morgan Plus Six 3.0 TwinPower Turbo

Quickest 0-100 km/h
4.2 s
Lightest
1,075 kg
2,370 lb
Best power-to-weight
316 hp/t
236 kW/t
3.2 kg/hp
Best performance score
76/100

Specification comparison

Specification comparison
Model	Mercedes-BenzSL (R231)Facelift 2016SL 400 V6	MorganPlus Six3.0 TwinPower Turbo
Power	367hp274kW	340hp254kW
Torque	500Nm369lb-ft	500Nm369lb-ft
Curb weight	1,660kg3,660lb	1,075kg2,370lb
Gross weight	2,115kg4,663lb	-
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Calculated	267 km/h 166 mph
To 99% top speed	65.6s99% target: 267 km/h / 166 mph Calculated	45.4s99% target: 264 km/h / 164 mph Calculated
0-100 km/h	4.9s	4.2s
0-200 km/h	16.4s Calculated	13.0s Calculated
0-60 mph	4.7s Calculated	4.0s Calculated
Fuel consumption	7.7L/100 km30.5mpg US36.7mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city	10.5L/100 km22.4mpg US26.9mpg UK	-
Fuel consumption highway	6L/100 km39.2mpg US47.1mpg UK	-
Quarter mile	13.0s Calculated	12.1s Calculated
Power-to-weight	221hp/t165kW/t100hp/1000 lb Calculated	316hp/t236kW/t143hp/1000 lb Calculated
Torque-to-weight	301Nm/t202lb-ft/ton Calculated	465Nm/t311lb-ft/ton Calculated
Estimated range	844km525mi Calculated	-
Displacement	2,996cc183cu in	2,998cc183cu in
Length	4,631mm182in	3,890mm153in
Width	1,877mm74in	1,756mm69in
Height	1,315mm52in	1,220mm48in
Wheelbase	2,585mm102in	-
Front track	1,600mm63in	-
Rear track	1,604mm63in	-
Trunk volume	345L	-
Max trunk volume	485L	-
Doors	2	2
Seats	2	2
Fuel tank	65L	-
CO2 emissions	175g/km	180g/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 Six3.0 TwinPower Turbo
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.7 s	4.0 s
0-100 km/h 0-62 mph	4.9 s	4.2 s
0-200 km/h 0-124 mph	16.4 s	13.0 s
Top speed	Unrestricted 270 km/h168 mph Restricted 250 km/h155 mph Likely limited	267 km/h 166 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.1 s
330 ft 101 m	5.7 s	5.4 s
1/8 mile 201 m	8.5 s	8.0 s
1000 ft 305 m	10.9 s	10.2 s
1/4 mile 402 m	13.0 s	12.1 s
Trap speed 1/4 mile 402 m	180 km/h 112 mph	194 km/h 121 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 Six3.0 TwinPower Turbo	340 hp 254 kW

Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 has 27 hp more than Morgan Plus Six 3.0 TwinPower Turbo.

The biggest power difference is between Morgan Plus Six 3.0 TwinPower Turbo and Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: 27 hp (20 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 Six3.0 TwinPower Turbo	500 Nm 369 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 Six3.0 TwinPower Turbo	1,075 kg 2,370 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 Six3.0 TwinPower Turbo	267 km/h 166 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 Six3.0 TwinPower Turbo	4.2 s

Although Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6 has more power, Morgan Plus Six 3.0 TwinPower Turbo is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Morgan Plus Six 3.0 TwinPower Turbo and Mercedes-Benz SL (R231) Facelift 2016 SL 400 V6: 0.7 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	7.7 L/100 km 30.5 mpg US 36.7 mpg UK
MorganPlus Six3.0 TwinPower Turbo	7.9 L/100 km 29.8 mpg US 35.8 mpg UK

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 Six3.0 TwinPower Turbo	316 hp/t 236 kW/t 3.2 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 Six3.0 TwinPower Turbo	340 hp 254 kW	4.2 s	267 km/h 166 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	345 L 12.2 cu ft
Length	4,631 mm 182.3 in
Height	1,315 mm 51.8 in

MorganPlus Six3.0 TwinPower Turbo

Power	340 hp 254 kW
0-100 km/h	4.2 s
Top speed 267 km/h 166 mph

Doors/seats	2 doors 2 seats
Trunk	-
Length	3,890 mm 153.1 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.

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

7.7 L/100 km

30.5 mpg US

36.7 mpg UK

MorganPlus Six3.0 TwinPower Turbo

Power	340 hp 254 kW
0-100 km/h	4.2 s
Top speed 267 km/h 166 mph

7.9 L/100 km

29.8 mpg US

35.8 mpg UK

Morgan Plus Six 3.0 TwinPower Turbo 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	7.7 L/100 km 30.5 mpg US 36.7 mpg UK	4.9 s
MorganPlus Six3.0 TwinPower Turbo	7.9 L/100 km 29.8 mpg US 35.8 mpg UK	4.2 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	7.7 L/100 km 30.5 mpg US 36.7 mpg UK
MorganPlus Six3.0 TwinPower Turbo	316 hp/t 236 kW/t 3.2 kg/hp	7.9 L/100 km 29.8 mpg US 35.8 mpg UK

Detailed score breakdown

Vehicle

Mercedes-BenzSL (R231)Facelift 2016SL 400 V6

MorganPlus Six3.0 TwinPower Turbo

Power

367 hp

274 kW

340 hp

254 kW

Torque

500 Nm

369 lb-ft

500 Nm

369 lb-ft

Acceleration

4.9 s

4.2 s

Top speed

Unrestricted

270 km/h168 mph

Restricted

250 km/h155 mph

267 km/h

166 mph

Lightness

1,660 kg

3,660 lb

1,075 kg

2,370 lb

Fuel consumption

7.7 L/100 km

30.5 mpg US

36.7 mpg UK

7.9 L/100 km

29.8 mpg US

35.8 mpg UK

Practicality

Doors/seats	2 doors 2 seats
Trunk	345 L 12.2 cu ft
Length	4,631 mm 182.3 in
Height	1,315 mm 51.8 in

Doors/seats	2 doors 2 seats
Trunk	-
Length	3,890 mm 153.1 in
Height	1,220 mm 48.0 in

Range score

844 km

525 mi

CO2 score

175 g/km

180 g/km

Trunk score

345 L

12.2 cu ft

Power-to-weight score

221 hp/t

165 kW/t

4.5 kg/hp

316 hp/t

236 kW/t

3.2 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 Six 3.0 TwinPower Turbo
Consumption	7.7 L/100 km30.5 mpg US36.7 mpg UK	7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km	13.48 LC100 km	13.83 LC100 km
Cost / 100 mi	21.69 LC100 mi	22.25 LC100 mi
Annual fuel used	1,155 L305 US gal254 UK gal	1,185 L313 US gal261 UK gal
Annual fuel cost	2,021 LC/year	2,074 LC/year