Car comparison

BMW 7 Series (E23) 745i · Stage 3vsBMW 7 Series (E23) 745i · Stage 2vsBMW 7 Series (E23) 745i · Stage 1vsBMW 7 Series (E23) 745i

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

New comparison

BMW 7 Series (E23)

745i (Stage 3)

378 hp3210 ccGasolineRWDAutomaticTurbochargedSedan1979-1983
VS

BMW 7 Series (E23)

745i (Stage 2)

328 hp3210 ccGasolineRWDAutomaticTurbochargedSedan1979-1983
VS

BMW 7 Series (E23)

745i (Stage 1)

297 hp3210 ccGasolineRWDAutomaticTurbochargedSedan1979-1983
VS

BMW 7 Series (E23)

745i

252 hp3210 ccGasolineRWDAutomaticTurbochargedSedan1979-1983

Comparison overview

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

Best choices

BMW 7 Series (E23) 745i (Stage 3) 378 hp

  • Quickest 0-100 km/h
    6.1 s
  • Fastest top speed
    258 km/h
    160 mph
  • Most powerful
    378 hp
    282 kW
  • Highest torque
    589 Nm
    434 lb-ft
  • Lightest
    1,600 kg
    3,527 lb
  • Best power-to-weight
    236 hp/t
    176 kW/t
    4.2 kg/hp
  • Lowest city consumption
    16.6 L/100 km
    14.2 mpg US
    17.0 mpg UK
  • Best overall score
    74/100
  • Best performance score
    72/100
  • Best economy score
    0/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelBMW7 Series (E23)745i (Stage 3)378 hpBMW7 Series (E23)745i (Stage 2)328 hpBMW7 Series (E23)745i (Stage 1)297 hpBMW7 Series (E23)745i252 hp
Power
378hp282kW+126 hp
328hp244kW+76 hp
297hp222kW+45 hp
252hp188kW
Torque
589Nm434lb-ft+209 Nm
513Nm378lb-ft+133 Nm
464Nm342lb-ft+84 Nm
380Nm280lb-ft
Curb weight
1,600kg3,527lb
1,600kg3,527lb
1,600kg3,527lb
1,600kg3,527lb
Gross weight
2,070kg4,564lb
2,070kg4,564lb
2,070kg4,564lb
2,070kg4,564lb
Top speed
258 km/h
160 mph
+37 km/h
248 km/h
154 mph
+27 km/h
241 km/h
150 mph
+20 km/h
221 km/h
137 mph
To 99% top speed
53.8s99% target: 255 km/h / 159 mph-8.9 s
Calculated
58.4s99% target: 246 km/h / 153 mph-4.3 s
Calculated
61.3s99% target: 239 km/h / 148 mph-1.5 s
Calculated
62.7s99% target: 219 km/h / 136 mph
Calculated
0-100 km/h
6.1s-1.8 s
6.6s-1.2 s
7.0s-0.8 s
7.8s
0-200 km/h
17.9s-13.6 s
Calculated
20.9s-10.6 s
Calculated
23.4s-8.1 s
Calculated
31.5s
Calculated
0-60 mph
5.8s-1.6 s
Calculated
6.3s-1.1 s
Calculated
6.7s-0.7 s
Calculated
7.4s
Calculated
Fuel consumption city
16.6L/100 km14.2mpg US17.0mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Quarter mile
13.9s-1.7 s
Calculated
14.5s-1.1 s
Calculated
14.9s-0.7 s
Calculated
15.6s
Calculated
Power-to-weight
236hp/t176kW/t107hp/1000 lb
Calculated
205hp/t153kW/t93hp/1000 lb
Calculated
186hp/t139kW/t84hp/1000 lb
Calculated
158hp/t117kW/t71hp/1000 lb
Calculated
Torque-to-weight
368Nm/t246lb-ft/ton
Calculated
321Nm/t215lb-ft/ton
Calculated
290Nm/t194lb-ft/ton
Calculated
238Nm/t159lb-ft/ton
Calculated
Displacement
3,210cc196cu in
3,210cc196cu in
3,210cc196cu in
3,210cc196cu in
Length
4,860mm191in
4,860mm191in
4,860mm191in
4,860mm191in
Width
1,800mm71in
1,800mm71in
1,800mm71in
1,800mm71in
Height
1,430mm56in
1,430mm56in
1,430mm56in
1,430mm56in
Wheelbase
2,795mm110in
2,795mm110in
2,795mm110in
2,795mm110in
Front track
1,502mm59in
1,502mm59in
1,502mm59in
1,502mm59in
Rear track
1,524mm60in
1,524mm60in
1,524mm60in
1,524mm60in
Ground clearance
132mm5in
132mm5in
132mm5in
132mm5in
Doors
4
4
4
4
Seats
5
5
5
5
Fuel tank
100L
100L
100L
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 (E23) 745i (Stage 3) 378 hpBMW 7 Series (E23) 745i (Stage 2) 328 hpBMW 7 Series (E23) 745i (Stage 1) 297 hpBMW 7 Series (E23) 745i 252 hpPowerTorque
  • BMW 7 Series (E23) 745i (Stage 3) 378 hp: Power / Torque
  • BMW 7 Series (E23) 745i (Stage 2) 328 hp: Power / Torque
  • BMW 7 Series (E23) 745i (Stage 1) 297 hp: Power / Torque
  • BMW 7 Series (E23) 745i 252 hp: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW7 Series (E23)745i (Stage 3)378 hp5,200 rpm2,600 rpm5,450 rpm
BMW7 Series (E23)745i (Stage 2)328 hp5,200 rpm2,600 rpm5,450 rpm
BMW7 Series (E23)745i (Stage 1)297 hp5,200 rpm2,600 rpm5,450 rpm
BMW7 Series (E23)745i252 hp5,200 rpm2,600 rpm5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW7 Series (E23)745i (Stage 3)378 hpBMW7 Series (E23)745i (Stage 2)328 hpBMW7 Series (E23)745i (Stage 1)297 hpBMW7 Series (E23)745i252 hp
Acceleration checkpoints
0-60 mph
0-97 km/h
5.8 s
6.3 s
6.7 s
7.4 s
0-100 km/h
0-62 mph
6.1 s
6.6 s
7.0 s
7.8 s
0-200 km/h
0-124 mph
17.9 s
20.9 s
23.4 s
31.5 s
Top speed
258 km/h
160 mph
248 km/h
154 mph
241 km/h
150 mph
221 km/h
137 mph
Drag race simulation
60 ft
18 m
2.6 s
2.7 s
2.8 s
2.8 s
330 ft
101 m
6.4 s
6.7 s
6.8 s
7.1 s
1/8 mile
201 m
9.4 s
9.7 s
10.0 s
10.4 s
1000 ft
305 m
11.9 s
12.4 s
12.7 s
13.3 s
1/4 mile
402 m
13.9 s
14.5 s
14.9 s
15.6 s
Trap speed
1/4 mile
402 m
177 km/h
110 mph
168 km/h
105 mph
163 km/h
101 mph
154 km/h
95 mph

Power comparison

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

Chart data table
VehicleValue
BMW7 Series (E23)745i (Stage 3)378 hp
378 hp
282 kW
BMW7 Series (E23)745i (Stage 2)328 hp
328 hp
244 kW
BMW7 Series (E23)745i (Stage 1)297 hp
297 hp
222 kW
BMW7 Series (E23)745i252 hp
252 hp
188 kW

BMW 7 Series (E23) 745i (Stage 3) 378 hp has 126 hp more than BMW 7 Series (E23) 745i 252 hp.

The biggest power difference is between BMW 7 Series (E23) 745i 252 hp and BMW 7 Series (E23) 745i (Stage 3) 378 hp: 126 hp (94 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW7 Series (E23)745i (Stage 3)378 hp
589 Nm
434 lb-ft
BMW7 Series (E23)745i (Stage 2)328 hp
513 Nm
378 lb-ft
BMW7 Series (E23)745i (Stage 1)297 hp
464 Nm
342 lb-ft
BMW7 Series (E23)745i252 hp
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 (E23)745i (Stage 3)378 hp
1,600 kg
3,527 lb
BMW7 Series (E23)745i (Stage 2)328 hp
1,600 kg
3,527 lb
BMW7 Series (E23)745i (Stage 1)297 hp
1,600 kg
3,527 lb
BMW7 Series (E23)745i252 hp
1,600 kg
3,527 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 (E23)745i (Stage 3)378 hp
258 km/h
160 mph
BMW7 Series (E23)745i (Stage 2)328 hp
248 km/h
154 mph
BMW7 Series (E23)745i (Stage 1)297 hp
241 km/h
150 mph
BMW7 Series (E23)745i252 hp
221 km/h
137 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW7 Series (E23)745i (Stage 3)378 hp6.1 s
BMW7 Series (E23)745i (Stage 2)328 hp6.6 s
BMW7 Series (E23)745i (Stage 1)297 hp7.0 s
BMW7 Series (E23)745i252 hp7.8 s

The biggest 0-100 km/h difference is between BMW 7 Series (E23) 745i (Stage 3) 378 hp and BMW 7 Series (E23) 745i 252 hp: 1.8 s.

The closest cars by acceleration are BMW 7 Series (E23) 745i (Stage 2) 328 hp and BMW 7 Series (E23) 745i (Stage 1) 297 hp, separated by only 0.4 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMW7 Series (E23)745i (Stage 3)378 hp
236 hp/t
176 kW/t
4.2 kg/hp
BMW7 Series (E23)745i (Stage 2)328 hp
205 hp/t
153 kW/t
4.9 kg/hp
BMW7 Series (E23)745i (Stage 1)297 hp
186 hp/t
139 kW/t
5.4 kg/hp
BMW7 Series (E23)745i252 hp
157 hp/t
117 kW/t
6.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW7 Series (E23)745i (Stage 3)378 hp
378 hp
282 kW
6.1 s
258 km/h
160 mph
BMW7 Series (E23)745i (Stage 2)328 hp
328 hp
244 kW
6.6 s
248 km/h
154 mph
BMW7 Series (E23)745i (Stage 1)297 hp
297 hp
222 kW
7.0 s
241 km/h
150 mph
BMW7 Series (E23)745i252 hp
252 hp
188 kW
7.8 s
221 km/h
137 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 (E23)745i (Stage 3)378 hp
Power
378 hp
282 kW
0-100 km/h6.1 s
Top speed
258 km/h
160 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
BMW7 Series (E23)745i (Stage 2)328 hp
Power
328 hp
244 kW
0-100 km/h6.6 s
Top speed
248 km/h
154 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
BMW7 Series (E23)745i (Stage 1)297 hp
Power
297 hp
222 kW
0-100 km/h7.0 s
Top speed
241 km/h
150 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
BMW7 Series (E23)745i252 hp
Power
252 hp
188 kW
0-100 km/h7.8 s
Top speed
221 km/h
137 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in

Detailed score breakdown

Detailed score breakdown
VehicleBMW7 Series (E23)745i (Stage 3)378 hpBMW7 Series (E23)745i (Stage 2)328 hpBMW7 Series (E23)745i (Stage 1)297 hpBMW7 Series (E23)745i252 hp
Power
378 hp
282 kW
328 hp
244 kW
297 hp
222 kW
252 hp
188 kW
Torque
589 Nm
434 lb-ft
513 Nm
378 lb-ft
464 Nm
342 lb-ft
380 Nm
280 lb-ft
Acceleration
6.1 s
6.6 s
7.0 s
7.8 s
Top speed
258 km/h
160 mph
248 km/h
154 mph
241 km/h
150 mph
221 km/h
137 mph
Lightness
1,600 kg
3,527 lb
1,600 kg
3,527 lb
1,600 kg
3,527 lb
1,600 kg
3,527 lb
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk-
Length
4,860 mm
191.3 in
Height
1,430 mm
56.3 in
Power-to-weight score
236 hp/t
176 kW/t
4.2 kg/hp
205 hp/t
153 kW/t
4.9 kg/hp
186 hp/t
139 kW/t
5.4 kg/hp
158 hp/t
117 kW/t
6.3 kg/hp
Overall
Fixed score
Fixed score
Fixed score
Fixed score

Head-to-head comparisons

BMW 7 Series (E23) 745i (Stage 3) 378 hp

  • Has 50 hp more
  • Has 76 Nm more
  • Is 0.6 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Has 31 hp/t better power-to-weight

Pros

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

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Engine or modification
BMW 7 Series (E23) 745i
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BMW 7 Series (E23) 745i · Stage 3 vs BMW 7 Series (E23) 745i · Stage 2 vs BMW 7 Series (E23) 745i · Stage 1 vs BMW 7 Series (E23) 745i - car comparison - FastVsFaster