Car comparison

BMW 7 Series (G11) 740dvsBMW 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)

740d

320 hp2993 ccDieselAWDAutomaticTurbochargedSedan2015-2019
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) 740d

  • Quickest 0-100 km/h
    5.2 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    320 hp
    239 kW
  • Highest torque
    680 Nm
    502 lb-ft
  • Best power-to-weight
    172 hp/t
    128 kW/t
    5.8 kg/hp
  • Lowest combined fuel consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Lowest city consumption
    6.6 L/100 km
    35.6 mpg US
    42.8 mpg UK
  • Lowest highway consumption
    4.5 L/100 km
    52.3 mpg US
    62.8 mpg UK
  • Best estimated range
    1,472 km
    914 mi
  • Largest trunk
    515 L
  • Best overall score
    75/100
  • Best performance score
    74/100
  • Best economy score
    93/100
  • Best practicality score
    76/100

Specification comparison

Specification comparison
ModelBMW7 Series (G11)740dBMW7 Series (E23)Facelift 1983745i
Power
320hp239kW
252hp188kW
Torque
680Nm502lb-ft
380Nm280lb-ft
Curb weight
1,860kg4,101lb
1,590kg3,505lb
Gross weight
2,530kg5,578lb
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
53.0s99% target: 262 km/h / 163 mph
Calculated
75.3s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
5.2s
7.9s
0-200 km/h
15.8s
Calculated
32.5s
Calculated
0-60 mph
5.0s
Calculated
7.5s
Calculated
Fuel consumption
5.3L/100 km44.4mpg US53.3mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
6.6L/100 km35.6mpg US42.8mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
4.5L/100 km52.3mpg US62.8mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
13.1s
Calculated
15.7s
Calculated
Power-to-weight
172hp/t128kW/t78hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
366Nm/t245lb-ft/ton
Calculated
239Nm/t160lb-ft/ton
Calculated
Estimated range
1,472km914mi
Calculated
847km527mi
Calculated
Displacement
2,993cc183cu 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
1,617mm64in
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
139g/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) 740dBMW 7 Series (E23) Facelift 1983 745iPowerTorque
  • BMW 7 Series (G11) 740d: 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)740d4,000 rpm1,750-2,250 rpm4,250 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)740dBMW7 Series (E23)Facelift 1983745i
Acceleration checkpoints
0-60 mph
0-97 km/h
5.0 s
7.5 s
0-100 km/h
0-62 mph
5.2 s
7.9 s
0-200 km/h
0-124 mph
15.8 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
2.4 s
2.7 s
330 ft
101 m
6.0 s
7.0 s
1/8 mile
201 m
8.8 s
10.4 s
1000 ft
305 m
11.2 s
13.3 s
1/4 mile
402 m
13.1 s
15.7 s
Trap speed
1/4 mile
402 m
183 km/h
114 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)740d
320 hp
239 kW
BMW7 Series (E23)Facelift 1983745i
252 hp
188 kW

BMW 7 Series (G11) 740d has 68 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) 740d: 68 hp (51 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (G11)740d
680 Nm
502 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)740d
1,860 kg
4,101 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)740d
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)740d5.2 s
BMW7 Series (E23)Facelift 1983745i7.9 s

The biggest 0-100 km/h difference is between BMW 7 Series (G11) 740d and BMW 7 Series (E23) Facelift 1983 745i: 2.7 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)740d
5.3 L/100 km
44.4 mpg US
53.3 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) 740d and BMW 7 Series (E23) Facelift 1983 745i: 6.5 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)740d
172 hp/t
128 kW/t
5.8 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)740d
1,472 km
914 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)740d
320 hp
239 kW
5.2 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)740d
Power
320 hp
239 kW
0-100 km/h5.2 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)740d
Power
320 hp
239 kW
0-100 km/h5.2 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
5.3 L/100 km
44.4 mpg US
53.3 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) 740d 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)740d
5.3 L/100 km
44.4 mpg US
53.3 mpg UK
5.2 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)740d
172 hp/t
128 kW/t
5.8 kg/hp
5.3 L/100 km
44.4 mpg US
53.3 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)740dBMW7 Series (E23)Facelift 1983745i
Power
320 hp
239 kW
252 hp
188 kW
Torque
680 Nm
502 lb-ft
380 Nm
280 lb-ft
Acceleration
5.2 s
7.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
227 km/h
141 mph
Lightness
1,860 kg
4,101 lb
1,590 kg
3,505 lb
Fuel consumption
5.3 L/100 km
44.4 mpg US
53.3 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
1,472 km
914 mi
847 km
527 mi
CO2 score
139 g/km
-
Trunk score
515 L
18.2 cu ft
480 L
17.0 cu ft
Power-to-weight score
172 hp/t
128 kW/t
5.8 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) 740dBMW 7 Series (E23) Facelift 1983 745i
Consumption5.3 L/100 km44.4 mpg US53.3 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km9.28 LC100 km20.65 LC100 km
Cost / 100 mi14.93 LC100 mi33.23 LC100 mi
Annual fuel used795 L210 US gal175 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost1,391 LC/year3,098 LC/year

Head-to-head comparisons

BMW 7 Series (G11) 740d

  • Has 68 hp more
  • Has 300 Nm more
  • Is 2.7 s quicker from 0-100 km/h
  • Has 38 km/h (24 mph) higher top speed
  • Uses 6.5 L/100 km less fuel
  • Has 14 hp/t better power-to-weight
  • Has 624 km (388 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) 740d
BMW 7 Series (E23) 745i
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