Car comparison

BMW 7 Series (E38) · Facelift 1998 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 (E38) · Facelift 1998

740i

286 hp4398 ccGasolineRWDAutomaticNaturally aspiratedSedan1998-2001
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 (E38) Facelift 1998 740i

  • Quickest 0-100 km/h
    7.0 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    286 hp
    213 kW
  • Highest torque
    440 Nm
    325 lb-ft
  • Largest trunk
    500 L
  • Best overall score
    65/100
  • Best performance score
    60/100
  • Best practicality score
    76/100

BMW 7 Series (E23) Facelift 1983 745i

  • Lightest
    1,590 kg
    3,505 lb
  • Best power-to-weight
    158 hp/t
    118 kW/t
    6.3 kg/hp
  • Lowest combined fuel consumption
    11.8 L/100 km
    19.9 mpg US
    23.9 mpg UK
  • Lowest city consumption
    16.6 L/100 km
    14.2 mpg US
    17.0 mpg UK
  • Lowest highway consumption
    8.4 L/100 km
    28.0 mpg US
    33.6 mpg UK
  • Best estimated range
    847 km
    527 mi
  • Best economy score
    75/100

Specification comparison

Specification comparison
ModelBMW7 Series (E38)Facelift 1998740iBMW7 Series (E23)Facelift 1983745i
Power
286hp213kW
252hp188kW
Torque
440Nm325lb-ft
380Nm280lb-ft
Curb weight
1,850kg4,079lb
1,590kg3,505lb
Gross weight
2,385kg5,258lb
2,100kg4,630lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
227 km/h
141 mph
To 99% top speed
74.6s99% target: 257 km/h / 160 mph
Calculated
75.3s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
7.0s
7.9s
0-200 km/h
22.4s
Calculated
32.5s
Calculated
0-60 mph
6.7s
Calculated
7.5s
Calculated
Fuel consumption
12.5L/100 km18.8mpg US22.6mpg UK
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
18.1L/100 km13mpg US15.6mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway
9.2L/100 km25.6mpg US30.7mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
14.9s
Calculated
15.7s
Calculated
Power-to-weight
155hp/t115kW/t70hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
239Nm/t160lb-ft/ton
Calculated
Estimated range
680km423mi
Calculated
847km527mi
Calculated
Displacement
4,398cc268cu in
3,430cc209cu in
Length
4,984mm196in
4,860mm191in
Width
1,862mm73in
1,800mm71in
Height
1,435mm56in
1,430mm56in
Wheelbase
2,930mm115in
2,795mm110in
Front track
1,552mm61in
1,502mm59in
Rear track
1,568mm62in
1,524mm60in
Ground clearance-
132mm5in
Trunk volume
500L
480L
Doors
4
4
Seats
5
5
Fuel tank
85L
100L

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 (E38) Facelift 1998 740iBMW 7 Series (E23) Facelift 1983 745iPowerTorque
  • BMW 7 Series (E38) Facelift 1998 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 (E38)Facelift 1998740i5,400 rpm3,600 rpm5,650 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 (E38)Facelift 1998740iBMW7 Series (E23)Facelift 1983745i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.7 s
7.5 s
0-100 km/h
0-62 mph
7.0 s
7.9 s
0-200 km/h
0-124 mph
22.4 s
32.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.7 s
2.7 s
330 ft
101 m
6.7 s
7.0 s
1/8 mile
201 m
9.9 s
10.4 s
1000 ft
305 m
12.6 s
13.3 s
1/4 mile
402 m
14.9 s
15.7 s
Trap speed
1/4 mile
402 m
164 km/h
102 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMW7 Series (E38)Facelift 1998740i
286 hp
213 kW
BMW7 Series (E23)Facelift 1983745i
252 hp
188 kW

BMW 7 Series (E38) Facelift 1998 740i has 34 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 (E38) Facelift 1998 740i: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (E38)Facelift 1998740i
440 Nm
325 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 (E38)Facelift 1998740i
1,850 kg
4,079 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 (E38)Facelift 1998740i
Unrestricted
260 km/h162 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 (E38)Facelift 1998740i7.0 s
BMW7 Series (E23)Facelift 1983745i7.9 s

The biggest 0-100 km/h difference is between BMW 7 Series (E38) Facelift 1998 740i and BMW 7 Series (E23) Facelift 1983 745i: 0.9 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 (E38)Facelift 1998740i
12.5 L/100 km
18.8 mpg US
22.6 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 (E23) Facelift 1983 745i and BMW 7 Series (E38) Facelift 1998 740i: 0.7 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 (E38)Facelift 1998740i
155 hp/t
115 kW/t
6.5 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 (E38)Facelift 1998740i
680 km
423 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 (E38)Facelift 1998740i
286 hp
213 kW
7.0 s
Unrestricted
260 km/h162 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 (E38)Facelift 1998740i
Power
286 hp
213 kW
0-100 km/h7.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,984 mm
196.2 in
Height
1,435 mm
56.5 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 (E38)Facelift 1998740i
Power
286 hp
213 kW
0-100 km/h7.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
12.5 L/100 km
18.8 mpg US
22.6 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 (E38) Facelift 1998 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 (E38)Facelift 1998740i
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
7.0 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 (E38)Facelift 1998740i
155 hp/t
115 kW/t
6.5 kg/hp
12.5 L/100 km
18.8 mpg US
22.6 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 (E38)Facelift 1998740iBMW7 Series (E23)Facelift 1983745i
Power
286 hp
213 kW
252 hp
188 kW
Torque
440 Nm
325 lb-ft
380 Nm
280 lb-ft
Acceleration
7.0 s
7.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
227 km/h
141 mph
Lightness
1,850 kg
4,079 lb
1,590 kg
3,505 lb
Fuel consumption
12.5 L/100 km
18.8 mpg US
22.6 mpg UK
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
500 L
17.7 cu ft
Length
4,984 mm
196.2 in
Height
1,435 mm
56.5 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
680 km
423 mi
847 km
527 mi
Trunk score
500 L
17.7 cu ft
480 L
17.0 cu ft
Power-to-weight score
155 hp/t
115 kW/t
6.5 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 (E38) Facelift 1998 740iBMW 7 Series (E23) Facelift 1983 745i
Consumption12.5 L/100 km18.8 mpg US22.6 mpg UK11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km21.88 LC100 km20.65 LC100 km
Cost / 100 mi35.20 LC100 mi33.23 LC100 mi
Annual fuel used1,875 L495 US gal412 UK gal1,770 L468 US gal389 UK gal
Annual fuel cost3,281 LC/year3,098 LC/year

Head-to-head comparisons

BMW 7 Series (E38) Facelift 1998 740i

  • Has 34 hp more
  • Has 60 Nm more
  • Is 0.9 s quicker from 0-100 km/h
  • Has 33 km/h (21 mph) higher top speed
  • Has 20 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest

BMW 7 Series (E23) Facelift 1983 745i

  • Is 260 kg lighter
  • Uses 0.7 L/100 km less fuel
  • Has 4 hp/t better power-to-weight
  • Has 167 km (104 mi) more estimated range

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 7 Series (E38) 740i
BMW 7 Series (E23) 745i
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BMW 7 Series (E38) · Facelift 1998 740i vs BMW 7 Series (E23) · Facelift 1983 745i - car comparison - FastVsFaster