Car comparison

BMW i7 (G70) M70 105.7 kWhvsBMW 3 Series Sedan (G20 LCI) · Facelift 2022 M340i

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

New comparison

BMW i7 (G70)

M70 105.7 kWh

660 hpElectricAWDAutomaticSedan2023-2026
VS

BMW 3 Series Sedan (G20 LCI) · Facelift 2022

M340i

381 hp2998 ccGasolineAWDAutomaticTurbochargedSedan2025-present

Comparison overview

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

Best choices

BMW i7 (G70) M70 105.7 kWh

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    660 hp
    492 kW
  • Highest torque
    1,100 Nm
    811 lb-ft
  • Best power-to-weight
    245 hp/t
    183 kW/t
    4.1 kg/hp
  • Largest trunk
    500 L
  • Best overall score
    82/100
  • Best performance score
    84/100
  • Best practicality score
    77/100

Specification comparison

Specification comparison
ModelBMWi7 (G70)M70 105.7 kWhBMW3 Series Sedan (G20 LCI)Facelift 2022M340i
Power
660hp492kW
381hp284kW
Torque
1,100Nm811lb-ft
540Nm398lb-ft
Curb weight
2,695kg5,941lb
1,760kg3,880lb
Gross weight
3,250kg7,165lb
2,315kg5,104lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
37.2s99% target: 262 km/h / 163 mph
Calculated
40.3s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
3.7s
4.3s
0-200 km/h
11.2s
Calculated
12.5s
Calculated
0-60 mph
3.5s
Calculated
4.1s
Calculated
Fuel consumption-
7.5L/100 km31.4mpg US37.7mpg UK
Quarter mile
11.5s
Calculated
12.1s
Calculated
Power-to-weight
245hp/t183kW/t111hp/1000 lb
Calculated
216hp/t161kW/t98hp/1000 lb
Calculated
Torque-to-weight
408Nm/t273lb-ft/ton
Calculated
307Nm/t205lb-ft/ton
Calculated
Estimated range-
787km489mi
Calculated
Displacement-
2,998cc183cu in
Length
5,391mm212in
4,714mm186in
Width
1,950mm77in
1,827mm72in
Height
1,544mm61in
1,440mm57in
Wheelbase
3,215mm127in
2,851mm112in
Front track
1,662mm65in
1,583mm62in
Rear track
1,684mm66in
1,567mm62in
Ground clearance
136mm5in
130mm5in
Trunk volume
500L
480L
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
MetricBMWi7 (G70)M70 105.7 kWhBMW3 Series Sedan (G20 LCI)Facelift 2022M340i
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
4.1 s
0-100 km/h
0-62 mph
3.7 s
4.3 s
0-200 km/h
0-124 mph
11.2 s
12.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.0 s
2.2 s
330 ft
101 m
5.1 s
5.5 s
1/8 mile
201 m
7.6 s
8.1 s
1000 ft
305 m
9.7 s
10.3 s
1/4 mile
402 m
11.5 s
12.1 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
197 km/h
122 mph

Power comparison

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

Chart data table
VehicleValue
BMWi7 (G70)M70 105.7 kWh
660 hp
492 kW
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
381 hp
284 kW

BMW i7 (G70) M70 105.7 kWh has 279 hp more than BMW 3 Series Sedan (G20 LCI) Facelift 2022 M340i.

The biggest power difference is between BMW 3 Series Sedan (G20 LCI) Facelift 2022 M340i and BMW i7 (G70) M70 105.7 kWh: 279 hp (208 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWi7 (G70)M70 105.7 kWh
1,100 Nm
811 lb-ft
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
540 Nm
398 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWi7 (G70)M70 105.7 kWh
2,695 kg
5,941 lb
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
1,760 kg
3,880 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWi7 (G70)M70 105.7 kWh
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
Unrestricted
265 km/h165 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
VehicleValue
BMWi7 (G70)M70 105.7 kWh3.7 s
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i4.3 s

The biggest 0-100 km/h difference is between BMW i7 (G70) M70 105.7 kWh and BMW 3 Series Sedan (G20 LCI) Facelift 2022 M340i: 0.6 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWi7 (G70)M70 105.7 kWh
245 hp/t
183 kW/t
4.1 kg/hp
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
216 hp/t
161 kW/t
4.6 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWi7 (G70)M70 105.7 kWh
660 hp
492 kW
3.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
381 hp
284 kW
4.3 s
Unrestricted
265 km/h165 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.

Chart data table
VehiclePerformance scorePracticality score
BMWi7 (G70)M70 105.7 kWh
Power
660 hp
492 kW
0-100 km/h3.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 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
BMW3 Series Sedan (G20 LCI)Facelift 2022M340i
Power
381 hp
284 kW
0-100 km/h4.3 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
4,714 mm
185.6 in
Height
1,440 mm
56.7 in

Detailed score breakdown

Detailed score breakdown
VehicleBMWi7 (G70)M70 105.7 kWhBMW3 Series Sedan (G20 LCI)Facelift 2022M340i
Power
660 hp
492 kW
381 hp
284 kW
Torque
1,100 Nm
811 lb-ft
540 Nm
398 lb-ft
Acceleration
3.7 s
4.3 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
2,695 kg
5,941 lb
1,760 kg
3,880 lb
Fuel consumption
-
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Practicality
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
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,714 mm
185.6 in
Height
1,440 mm
56.7 in
Range score
-
787 km
489 mi
Trunk score
500 L
17.7 cu ft
480 L
17.0 cu ft
Power-to-weight score
245 hp/t
183 kW/t
4.1 kg/hp
216 hp/t
161 kW/t
4.6 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
VehicleBMW 3 Series Sedan (G20 LCI) Facelift 2022 M340i
Consumption7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km13.13 LC100 km
Cost / 100 mi21.12 LC100 mi
Annual fuel used1,125 L297 US gal247 UK gal
Annual fuel cost1,969 LC/year

Head-to-head comparisons

BMW i7 (G70) M70 105.7 kWh

  • Has 279 hp more
  • Has 560 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 28 hp/t better power-to-weight
  • Has 20 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW i7 (G70) M70 105.7 kWh
BMW 3 Series Sedan (G20 LCI) M340i
Compare selected cars
2 vehicles selected

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BMW i7 (G70) M70 105.7 kWh vs BMW 3 Series Sedan (G20 LCI) · Facelift 2022 M340i - car comparison - FastVsFaster