Car comparison

BMW 3 Series Touring (G21) M340ivsMercedes-Benz CLS Shooting Brake (X218) · Facelift 2014 CLS 500 V8

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

New comparison

BMW 3 Series Touring (G21)

M340i

374 hp2998 ccGasolineAWDAutomaticTurbochargedWagon / estate2019-2020

Mercedes-Benz CLS Shooting Brake (X218) · Facelift 2014

CLS 500 V8

408 hp4663 ccGasolineAWDAutomaticTwin-turboWagon / estate2015-2018

Comparison overview

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

BMW 3 Series Touring (G21) M340i

Quickest 0-100 km/h
4.5 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Lightest
1,770 kg
3,902 lb
Lowest combined fuel consumption
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Lowest city consumption
9.7 L/100 km
24.2 mpg US
29.1 mpg UK
Lowest highway consumption
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Lowest CO2 emissions
172 g/km
Best economy score
86/100

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8

Most powerful
408 hp
304 kW
Highest torque
600 Nm
443 lb-ft
Best power-to-weight
211 hp/t
158 kW/t
4.7 kg/hp
Best estimated range
833 km
518 mi
Largest trunk
590 L
Best overall score
80/100
Best performance score
76/100
Best practicality score
87/100

Specification comparison

Specification comparison
Model	BMW3 Series Touring (G21)M340i	Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
Power	374hp279kW	408hp304kW
Torque	500Nm369lb-ft	600Nm443lb-ft
Curb weight	1,770kg3,902lb	1,930kg4,255lb
Gross weight	2,365kg5,214lb	2,530kg5,578lb
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated
To 99% top speed	44.2s99% target: 257 km/h / 160 mph Calculated	48.5s99% target: 257 km/h / 160 mph Calculated
0-100 km/h	4.5s	4.8s
0-200 km/h	13.8s Calculated	15.0s Calculated
0-60 mph	4.3s Calculated	4.6s Calculated
Fuel consumption	7.6L/100 km30.9mpg US37.2mpg UK	9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city	9.7L/100 km24.2mpg US29.1mpg UK	12.8L/100 km18.4mpg US22.1mpg UK
Fuel consumption highway	6.3L/100 km37.3mpg US44.8mpg UK	7.8L/100 km30.2mpg US36.2mpg UK
Quarter mile	12.4s Calculated	12.8s Calculated
Power-to-weight	211hp/t158kW/t96hp/1000 lb Calculated	211hp/t158kW/t96hp/1000 lb Calculated
Torque-to-weight	282Nm/t189lb-ft/ton Calculated	311Nm/t208lb-ft/ton Calculated
Estimated range	776km482mi Calculated	833km518mi Calculated
Displacement	2,998cc183cu in	4,663cc285cu in
Length	4,713mm186in	4,953mm195in
Width	1,827mm72in	1,881mm74in
Height	1,440mm57in	1,419mm56in
Wheelbase	2,851mm112in	2,874mm113in
Front track	1,583mm62in	1,596mm63in
Rear track	1,567mm62in	1,629mm64in
Ground clearance	130mm5in	-
Trunk volume	500L	590L
Max trunk volume	1,510L	1,550L
Doors	5	5
Seats	5	5
Fuel tank	59L	80L
CO2 emissions	172g/km	225g/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.

BMW 3 Series Touring (G21) M340iMercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8PowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW3 Series Touring (G21)M340i	5,500-6,500 rpm	1,850-5,000 rpm	6,750 rpm
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	5,000-5,750 rpm	1,600-4,750 rpm	6,300 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW3 Series Touring (G21)M340i	Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.3 s	4.6 s
0-100 km/h 0-62 mph	4.5 s	4.8 s
0-200 km/h 0-124 mph	13.8 s	15.0 s
Top speed	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited
	Drag race simulation
60 ft 18 m	2.2 s	2.3 s
330 ft 101 m	5.6 s	5.7 s
1/8 mile 201 m	8.2 s	8.5 s
1000 ft 305 m	10.5 s	10.8 s
1/4 mile 402 m	12.4 s	12.8 s
Trap speed 1/4 mile 402 m	191 km/h 118 mph	186 km/h 116 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340i	374 hp 279 kW
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	408 hp 304 kW

Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8 has 34 hp more than BMW 3 Series Touring (G21) M340i.

The biggest power difference is between BMW 3 Series Touring (G21) M340i and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8: 34 hp (25 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340i	500 Nm 369 lb-ft
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	600 Nm 443 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340i	1,770 kg 3,902 lb
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	1,930 kg 4,255 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
BMW3 Series Touring (G21)M340i	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	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
Vehicle	Value
BMW3 Series Touring (G21)M340i	4.5 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	4.8 s

Although Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8 has more power, BMW 3 Series Touring (G21) M340i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Touring (G21) M340i and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8: 0.3 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
BMW3 Series Touring (G21)M340i	7.6 L/100 km 30.9 mpg US 37.2 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	9.6 L/100 km 24.5 mpg US 29.4 mpg UK

The biggest fuel consumption difference is between BMW 3 Series Touring (G21) M340i and Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8: 2.0 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
BMW3 Series Touring (G21)M340i	211 hp/t 158 kW/t 4.7 kg/hp
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	211 hp/t 158 kW/t 4.7 kg/hp

Estimated range comparison

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

Chart data table
Vehicle	Value
BMW3 Series Touring (G21)M340i	776 km 482 mi
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	833 km 518 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Touring (G21)M340i	374 hp 279 kW	4.5 s	Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	408 hp 304 kW	4.8 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.

Vehicle

Performance score

Practicality score

BMW3 Series Touring (G21)M340i

Power	374 hp 279 kW
0-100 km/h	4.5 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 in

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8

Power	408 hp 304 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

Doors/seats	5 doors 5 seats
Trunk	590 L 20.8 cu ft
Length	4,953 mm 195.0 in
Height	1,419 mm 55.9 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

BMW3 Series Touring (G21)M340i

Power	374 hp 279 kW
0-100 km/h	4.5 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

7.6 L/100 km

30.9 mpg US

37.2 mpg UK

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8

Power	408 hp 304 kW
0-100 km/h	4.8 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

BMW 3 Series Touring (G21) M340i 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
BMW3 Series Touring (G21)M340i	7.6 L/100 km 30.9 mpg US 37.2 mpg UK	4.5 s
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	9.6 L/100 km 24.5 mpg US 29.4 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
BMW3 Series Touring (G21)M340i	211 hp/t 158 kW/t 4.7 kg/hp	7.6 L/100 km 30.9 mpg US 37.2 mpg UK
Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8	211 hp/t 158 kW/t 4.7 kg/hp	9.6 L/100 km 24.5 mpg US 29.4 mpg UK

Detailed score breakdown

Vehicle

BMW3 Series Touring (G21)M340i

Mercedes-BenzCLS Shooting Brake (X218)Facelift 2014CLS 500 V8

Power

374 hp

279 kW

408 hp

304 kW

Torque

500 Nm

369 lb-ft

600 Nm

443 lb-ft

Acceleration

4.5 s

4.8 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

Lightness

1,770 kg

3,902 lb

1,930 kg

4,255 lb

Fuel consumption

7.6 L/100 km

30.9 mpg US

37.2 mpg UK

9.6 L/100 km

24.5 mpg US

29.4 mpg UK

Practicality

Doors/seats	5 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 in

Doors/seats	5 doors 5 seats
Trunk	590 L 20.8 cu ft
Length	4,953 mm 195.0 in
Height	1,419 mm 55.9 in

Range score

776 km

482 mi

833 km

518 mi

CO2 score

172 g/km

225 g/km

Trunk score

500 L

17.7 cu ft

590 L

20.8 cu ft

Power-to-weight score

211 hp/t

158 kW/t

4.7 kg/hp

211 hp/t

158 kW/t

4.7 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	BMW 3 Series Touring (G21) M340i	Mercedes-Benz CLS Shooting Brake (X218) Facelift 2014 CLS 500 V8
Consumption	7.6 L/100 km30.9 mpg US37.2 mpg UK	9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km	13.30 LC100 km	16.80 LC100 km
Cost / 100 mi	21.40 LC100 mi	27.04 LC100 mi
Annual fuel used	1,140 L301 US gal251 UK gal	1,440 L380 US gal317 UK gal
Annual fuel cost	1,995 LC/year	2,520 LC/year