Car comparison

BMW 7 Series (G11) 740ivsBMW 7 Series (E23) · Facelift 1983 745i

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

New comparison

BMW 7 Series (G11)

740i

326 hp2998 ccGasolineRWDAutomaticTurbochargedSedan2015-2019
VS

BMW 7 Series (E23) · Facelift 1983

745i

252 hp3430 ccGasolineRWDAutomaticTurbochargedSedan1983-1986

Comparison overview

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

Best choices

BMW 7 Series (G11) 740i

  • Quickest 0-100 km/h
    5.5 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    326 hp
    243 kW
  • Highest torque
    450 Nm
    332 lb-ft
  • Best power-to-weight
    189 hp/t
    141 kW/t
    5.3 kg/hp
  • Lowest combined fuel consumption
    7.0 L/100 km
    33.6 mpg US
    40.4 mpg UK
  • Lowest city consumption
    9.7 L/100 km
    24.2 mpg US
    29.1 mpg UK
  • Lowest highway consumption
    5.5 L/100 km
    42.8 mpg US
    51.4 mpg UK
  • Best estimated range
    1,114 km
    692 mi
  • Largest trunk
    515 L
  • Best overall score
    71/100
  • Best performance score
    69/100
  • Best economy score
    88/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelBMW7 Series (G11)740iBMW7 Series (E23)Facelift 1983745i
Power
326hp243kW
252hp188kW
Torque
450Nm332lb-ft
380Nm280lb-ft
Curb weight
1,725kg3,803lb
1,590kg3,505lb
Gross weight
2,400kg5,291lb
2,100kg4,630lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
227 km/h
141 mph
To 99% top speed
53.6s99% target: 262 km/h / 163 mph
Calculated
75.3s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
5.5s
7.9s
0-200 km/h
16.3s
Calculated
32.5s
Calculated
0-60 mph
5.3s
Calculated
7.5s
Calculated
Fuel consumption
7L/100 km33.6mpg US40.4mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
9.7L/100 km24.2mpg US29.1mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
5.5L/100 km42.8mpg US51.4mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
13.4s
Calculated
15.7s
Calculated
Power-to-weight
189hp/t141kW/t86hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
261Nm/t175lb-ft/ton
Calculated
239Nm/t160lb-ft/ton
Calculated
Estimated range
1,114km692mi
Calculated
847km527mi
Calculated
Displacement
2,998cc183cu in
3,430cc209cu in
Length
5,098mm201in
4,860mm191in
Width
1,902mm75in
1,800mm71in
Height
1,478mm58in
1,430mm56in
Wheelbase
3,070mm121in
2,795mm110in
Front track
1,618mm64in
1,502mm59in
Rear track
1,646mm65in
1,524mm60in
Ground clearance
135mm5in
132mm5in
Trunk volume
515L
480L
Doors
4
4
Seats
5
5
Fuel tank
78L
100L
CO2 emissions
164g/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 7 Series (G11) 740iBMW 7 Series (E23) Facelift 1983 745iPowerTorque
  • BMW 7 Series (G11) 740i: Power / Torque
  • BMW 7 Series (E23) Facelift 1983 745i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW7 Series (G11)740i5,500-6,500 rpm1,380-5,000 rpm6,750 rpm
BMW7 Series (E23)Facelift 1983745i4,900 rpm2,200 rpm5,150 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW7 Series (G11)740iBMW7 Series (E23)Facelift 1983745i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
7.5 s
0-100 km/h
0-62 mph
5.5 s
7.9 s
0-200 km/h
0-124 mph
16.3 s
32.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.5 s
2.7 s
330 ft
101 m
6.1 s
7.0 s
1/8 mile
201 m
9.0 s
10.4 s
1000 ft
305 m
11.4 s
13.3 s
1/4 mile
402 m
13.4 s
15.7 s
Trap speed
1/4 mile
402 m
182 km/h
113 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
326 hp
243 kW
BMW7 Series (E23)Facelift 1983745i
252 hp
188 kW

BMW 7 Series (G11) 740i has 74 hp more than BMW 7 Series (E23) Facelift 1983 745i.

The biggest power difference is between BMW 7 Series (E23) Facelift 1983 745i and BMW 7 Series (G11) 740i: 74 hp (55 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
450 Nm
332 lb-ft
BMW7 Series (E23)Facelift 1983745i
380 Nm
280 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
1,725 kg
3,803 lb
BMW7 Series (E23)Facelift 1983745i
1,590 kg
3,505 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW7 Series (E23)Facelift 1983745i
227 km/h
141 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i5.5 s
BMW7 Series (E23)Facelift 1983745i7.9 s

The biggest 0-100 km/h difference is between BMW 7 Series (G11) 740i and BMW 7 Series (E23) Facelift 1983 745i: 2.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW7 Series (E23)Facelift 1983745i
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

The biggest fuel consumption difference is between BMW 7 Series (G11) 740i and BMW 7 Series (E23) Facelift 1983 745i: 4.8 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
189 hp/t
141 kW/t
5.3 kg/hp
BMW7 Series (E23)Facelift 1983745i
158 hp/t
118 kW/t
6.3 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740i
1,114 km
692 mi
BMW7 Series (E23)Facelift 1983745i
847 km
527 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW7 Series (G11)740i
326 hp
243 kW
5.5 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
BMW7 Series (E23)Facelift 1983745i
252 hp
188 kW
7.9 s
227 km/h
141 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
BMW7 Series (G11)740i
Power
326 hp
243 kW
0-100 km/h5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
515 L
18.2 cu ft
Length
5,098 mm
200.7 in
Height
1,478 mm
58.2 in
BMW7 Series (E23)Facelift 1983745i
Power
252 hp
188 kW
0-100 km/h7.9 s
Top speed
227 km/h
141 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in

Performance vs fuel economy

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

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
BMW7 Series (G11)740i
Power
326 hp
243 kW
0-100 km/h5.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW7 Series (E23)Facelift 1983745i
Power
252 hp
188 kW
0-100 km/h7.9 s
Top speed
227 km/h
141 mph
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

BMW 7 Series (G11) 740i 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
VehicleFuel consumption, L/100 km0-100 km/h, s
BMW7 Series (G11)740i
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
5.5 s
BMW7 Series (E23)Facelift 1983745i
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
7.9 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
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
BMW7 Series (G11)740i
189 hp/t
141 kW/t
5.3 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
BMW7 Series (E23)Facelift 1983745i
158 hp/t
118 kW/t
6.3 kg/hp
11.8 L/100 km
19.9 mpg US
23.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW7 Series (G11)740iBMW7 Series (E23)Facelift 1983745i
Power
326 hp
243 kW
252 hp
188 kW
Torque
450 Nm
332 lb-ft
380 Nm
280 lb-ft
Acceleration
5.5 s
7.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
227 km/h
141 mph
Lightness
1,725 kg
3,803 lb
1,590 kg
3,505 lb
Fuel consumption
7.0 L/100 km
33.6 mpg US
40.4 mpg UK
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
515 L
18.2 cu ft
Length
5,098 mm
200.7 in
Height
1,478 mm
58.2 in
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
Range score
1,114 km
692 mi
847 km
527 mi
CO2 score
164 g/km
-
Trunk score
515 L
18.2 cu ft
480 L
17.0 cu ft
Power-to-weight score
189 hp/t
141 kW/t
5.3 kg/hp
158 hp/t
118 kW/t
6.3 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 7 Series (G11) 740iBMW 7 Series (E23) Facelift 1983 745i
Consumption7 L/100 km33.6 mpg US40.4 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km12.25 LC100 km20.65 LC100 km
Cost / 100 mi19.71 LC100 mi33.23 LC100 mi
Annual fuel used1,050 L277 US gal231 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost1,838 LC/year3,098 LC/year

Head-to-head comparisons

BMW 7 Series (G11) 740i

  • Has 74 hp more
  • Has 70 Nm more
  • Is 2.4 s quicker from 0-100 km/h
  • Has 38 km/h (24 mph) higher top speed
  • Uses 4.8 L/100 km less fuel
  • Has 30 hp/t better power-to-weight
  • Has 267 km (166 mi) more estimated range
  • Has 35 L more trunk volume

Pros

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

Cons

  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 7 Series (G11) 740i
BMW 7 Series (E23) 745i
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