Car comparison

BMW 3 Series Sedan (G20) M340ivsBMW i7 (G70) 105.7 kWh

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

New comparison

BMW 3 Series Sedan (G20)

M340i

374 hp2998 ccGasolineAWDAutomaticTurbochargedSedan2020-2022

BMW i7 (G70)

105.7 kWh

455 hpElectricRWDAutomaticSedan2023-2026

Comparison overview

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

BMW 3 Series Sedan (G20) M340i

Quickest 0-100 km/h
4.4 s
Fastest top speed
265 km/h
165 mph Unrestricted
250 km/h
155 mph Restricted
Lightest
1,735 kg
3,825 lb
Best power-to-weight
216 hp/t
161 kW/t
4.6 kg/hp
Best overall score
75/100
Best performance score
75/100
Best economy score
88/100

BMW i7 (G70) 105.7 kWh

Most powerful
455 hp
339 kW
Highest torque
650 Nm
479 lb-ft
Largest trunk
500 L
Best practicality score
77/100

Specification comparison

Specification comparison
Model	BMW3 Series Sedan (G20)M340i	BMWi7 (G70)105.7 kWh
Power	374hp279kW	455hp339kW
Torque	500Nm369lb-ft	650Nm479lb-ft
Curb weight	1,735kg3,825lb	2,520kg5,556lb
Gross weight	2,245kg4,949lb	3,130kg6,900lb
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Calculated	205 km/h 127 mph
To 99% top speed	41.5s99% target: 262 km/h / 163 mph Calculated	41.3s99% target: 203 km/h / 126 mph Calculated
0-100 km/h	4.4s	5.5s
0-200 km/h	12.9s Calculated	33.0s Calculated
0-60 mph	4.2s Calculated	5.2s Calculated
Fuel consumption	7L/100 km33.6mpg US40.4mpg UK	-
Fuel consumption city	9L/100 km26.1mpg US31.4mpg UK	-
Fuel consumption highway	5.9L/100 km39.9mpg US47.9mpg UK	-
Quarter mile	12.2s Calculated	13.8s Calculated
Power-to-weight	216hp/t161kW/t98hp/1000 lb Calculated	181hp/t135kW/t82hp/1000 lb Calculated
Torque-to-weight	288Nm/t193lb-ft/ton Calculated	258Nm/t173lb-ft/ton Calculated
Estimated range	843km524mi Calculated	-
Displacement	2,998cc183cu in	-
Length	4,713mm186in	5,391mm212in
Width	1,827mm72in	1,950mm77in
Height	1,440mm57in	1,544mm61in
Wheelbase	2,851mm112in	3,215mm127in
Front track	1,583mm62in	1,663mm65in
Rear track	1,567mm62in	1,683mm66in
Ground clearance	130mm5in	-
Trunk volume	480L	500L
Doors	4	4
Seats	5	5
Fuel tank	59L	-

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	BMW3 Series Sedan (G20)M340i	BMWi7 (G70)105.7 kWh
	Acceleration checkpoints
0-60 mph 0-97 km/h	4.2 s	5.2 s
0-100 km/h 0-62 mph	4.4 s	5.5 s
0-200 km/h 0-124 mph	12.9 s	33.0 s
Top speed	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph Limited	205 km/h 127 mph
	Drag race simulation
60 ft 18 m	2.2 s	2.3 s
330 ft 101 m	5.6 s	6.0 s
1/8 mile 201 m	8.2 s	9.0 s
1000 ft 305 m	10.4 s	11.6 s
1/4 mile 402 m	12.2 s	13.8 s
Trap speed 1/4 mile 402 m	195 km/h 121 mph	164 km/h 102 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)M340i	374 hp 279 kW
BMWi7 (G70)105.7 kWh	455 hp 339 kW

BMW i7 (G70) 105.7 kWh has 81 hp more than BMW 3 Series Sedan (G20) M340i.

The biggest power difference is between BMW 3 Series Sedan (G20) M340i and BMW i7 (G70) 105.7 kWh: 81 hp (60 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)M340i	500 Nm 369 lb-ft
BMWi7 (G70)105.7 kWh	650 Nm 479 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW3 Series Sedan (G20)M340i	1,735 kg 3,825 lb
BMWi7 (G70)105.7 kWh	2,520 kg 5,556 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 Sedan (G20)M340i	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMWi7 (G70)105.7 kWh	205 km/h 127 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 Sedan (G20)M340i	4.4 s
BMWi7 (G70)105.7 kWh	5.5 s

Although BMW i7 (G70) 105.7 kWh has more power, BMW 3 Series Sedan (G20) M340i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 3 Series Sedan (G20) M340i and BMW i7 (G70) 105.7 kWh: 1.1 s.

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 Sedan (G20)M340i	216 hp/t 161 kW/t 4.6 kg/hp
BMWi7 (G70)105.7 kWh	181 hp/t 135 kW/t 5.5 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW3 Series Sedan (G20)M340i	374 hp 279 kW	4.4 s	Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph
BMWi7 (G70)105.7 kWh	455 hp 339 kW	5.5 s	205 km/h 127 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 Sedan (G20)M340i

Power	374 hp 279 kW
0-100 km/h	4.4 s
Top speed Unrestricted 265 km/h165 mph Restricted 250 km/h155 mph

Doors/seats	4 doors 5 seats
Trunk	480 L 17.0 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 in

BMWi7 (G70)105.7 kWh

Power	455 hp 339 kW
0-100 km/h	5.5 s
Top speed 205 km/h 127 mph

Doors/seats	4 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	5,391 mm 212.2 in
Height	1,544 mm 60.8 in

Detailed score breakdown

Vehicle

BMW3 Series Sedan (G20)M340i

BMWi7 (G70)105.7 kWh

Power

374 hp

279 kW

455 hp

339 kW

Torque

500 Nm

369 lb-ft

650 Nm

479 lb-ft

Acceleration

4.4 s

5.5 s

Top speed

Unrestricted

265 km/h165 mph

Restricted

250 km/h155 mph

205 km/h

127 mph

Lightness

1,735 kg

3,825 lb

2,520 kg

5,556 lb

Fuel consumption

7.0 L/100 km

33.6 mpg US

40.4 mpg UK

Practicality

Doors/seats	4 doors 5 seats
Trunk	480 L 17.0 cu ft
Length	4,713 mm 185.6 in
Height	1,440 mm 56.7 in

Doors/seats	4 doors 5 seats
Trunk	500 L 17.7 cu ft
Length	5,391 mm 212.2 in
Height	1,544 mm 60.8 in

Range score

843 km

524 mi

Trunk score

480 L

17.0 cu ft

500 L

17.7 cu ft

Power-to-weight score

216 hp/t

161 kW/t

4.6 kg/hp

181 hp/t

135 kW/t

5.5 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 Sedan (G20) M340i
Consumption	7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km	12.25 LC100 km
Cost / 100 mi	19.71 LC100 mi
Annual fuel used	1,050 L277 US gal231 UK gal
Annual fuel cost	1,838 LC/year