Car comparison

BMW M5 (E28) 3.5vsBMW 7 Series (E23) · Facelift 1983 745i

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

New comparison

BMW M5 (E28)

3.5

286 hp3453 ccGasolineRWDManualNaturally aspiratedSedan1985-1987
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 M5 (E28) 3.5

  • Quickest 0-100 km/h
    6.5 s
  • Fastest top speed
    245 km/h
    152 mph
  • Most powerful
    286 hp
    213 kW
  • Lightest
    1,430 kg
    3,153 lb
  • Best power-to-weight
    200 hp/t
    149 kW/t
    5.0 kg/hp
  • Lowest city consumption
    16.5 L/100 km
    14.3 mpg US
    17.1 mpg UK
  • Largest trunk
    640 L
  • Best overall score
    66/100
  • Best performance score
    60/100
  • Best practicality score
    80/100

Specification comparison

Specification comparison
ModelBMWM5 (E28)3.5BMW7 Series (E23)Facelift 1983745i
Power
286hp213kW
252hp188kW
Torque
340Nm251lb-ft
380Nm280lb-ft
Curb weight
1,430kg3,153lb
1,590kg3,505lb
Gross weight
1,900kg4,189lb
2,100kg4,630lb
Top speed
245 km/h
152 mph
227 km/h
141 mph
To 99% top speed
57.2s99% target: 243 km/h / 151 mph
Calculated
75.3s99% target: 225 km/h / 140 mph
Calculated
0-100 km/h
6.5s
7.9s
0-200 km/h
21.0s
Calculated
32.5s
Calculated
0-60 mph
6.2s
Calculated
7.5s
Calculated
Fuel consumption-
11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city
16.5L/100 km14.3mpg US17.1mpg UK
16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway-
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
14.4s
Calculated
15.7s
Calculated
Power-to-weight
200hp/t149kW/t91hp/1000 lb
Calculated
158hp/t118kW/t72hp/1000 lb
Calculated
Torque-to-weight
238Nm/t159lb-ft/ton
Calculated
239Nm/t160lb-ft/ton
Calculated
Estimated range-
847km527mi
Calculated
Displacement
3,453cc211cu in
3,430cc209cu in
Length
4,620mm182in
4,860mm191in
Width
1,700mm67in
1,800mm71in
Height
1,400mm55in
1,430mm56in
Wheelbase
2,625mm103in
2,795mm110in
Front track
1,430mm56in
1,502mm59in
Rear track
1,465mm58in
1,524mm60in
Ground clearance-
132mm5in
Trunk volume
640L
480L
Doors
4
4
Seats
5
5
Fuel tank
70L
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 M5 (E28) 3.5BMW 7 Series (E23) Facelift 1983 745iPowerTorque
  • BMW M5 (E28) 3.5: Power / Torque
  • BMW 7 Series (E23) Facelift 1983 745i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWM5 (E28)3.56,500 rpm4,500 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
MetricBMWM5 (E28)3.5BMW7 Series (E23)Facelift 1983745i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
7.5 s
0-100 km/h
0-62 mph
6.5 s
7.9 s
0-200 km/h
0-124 mph
21.0 s
32.5 s
Top speed
245 km/h
152 mph
227 km/h
141 mph
Drag race simulation
60 ft
18 m
2.7 s
2.7 s
330 ft
101 m
6.6 s
7.0 s
1/8 mile
201 m
9.7 s
10.4 s
1000 ft
305 m
12.3 s
13.3 s
1/4 mile
402 m
14.4 s
15.7 s
Trap speed
1/4 mile
402 m
168 km/h
105 mph
151 km/h
94 mph

Power comparison

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

Chart data table
VehicleValue
BMWM5 (E28)3.5
286 hp
213 kW
BMW7 Series (E23)Facelift 1983745i
252 hp
188 kW

BMW M5 (E28) 3.5 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 M5 (E28) 3.5: 34 hp (25 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM5 (E28)3.5
340 Nm
251 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
BMWM5 (E28)3.5
1,430 kg
3,153 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
BMWM5 (E28)3.5
245 km/h
152 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
BMWM5 (E28)3.56.5 s
BMW7 Series (E23)Facelift 1983745i7.9 s

The biggest 0-100 km/h difference is between BMW M5 (E28) 3.5 and BMW 7 Series (E23) Facelift 1983 745i: 1.4 s.

Power-to-weight comparison

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

Chart data table
VehicleValue
BMWM5 (E28)3.5
200 hp/t
149 kW/t
5.0 kg/hp
BMW7 Series (E23)Facelift 1983745i
158 hp/t
118 kW/t
6.3 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWM5 (E28)3.5
286 hp
213 kW
6.5 s
245 km/h
152 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
BMWM5 (E28)3.5
Power
286 hp
213 kW
0-100 km/h6.5 s
Top speed
245 km/h
152 mph
Doors/seats
4 doors
5 seats
Trunk
640 L
22.6 cu ft
Length
4,620 mm
181.9 in
Height
1,400 mm
55.1 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

Detailed score breakdown

Detailed score breakdown
VehicleBMWM5 (E28)3.5BMW7 Series (E23)Facelift 1983745i
Power
286 hp
213 kW
252 hp
188 kW
Torque
340 Nm
251 lb-ft
380 Nm
280 lb-ft
Acceleration
6.5 s
7.9 s
Top speed
245 km/h
152 mph
227 km/h
141 mph
Lightness
1,430 kg
3,153 lb
1,590 kg
3,505 lb
Fuel consumption
-
11.8 L/100 km
19.9 mpg US
23.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
640 L
22.6 cu ft
Length
4,620 mm
181.9 in
Height
1,400 mm
55.1 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
-
847 km
527 mi
Trunk score
640 L
22.6 cu ft
480 L
17.0 cu ft
Power-to-weight score
200 hp/t
149 kW/t
5.0 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 (E23) Facelift 1983 745i
Consumption11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km20.65 LC100 km
Cost / 100 mi33.23 LC100 mi
Annual fuel used1,770 L468 US gal389 UK gal
Annual fuel cost3,098 LC/year

Head-to-head comparisons

BMW M5 (E28) 3.5

  • Has 34 hp more
  • Is 160 kg lighter
  • Is 1.4 s quicker from 0-100 km/h
  • Has 18 km/h (11 mph) higher top speed
  • Has 42 hp/t better power-to-weight
  • Has 160 L more trunk volume

Pros

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M5 (E28) 3.5
BMW 7 Series (E23) 745i
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BMW M5 (E28) 3.5 vs BMW 7 Series (E23) · Facelift 1983 745i - car comparison - FastVsFaster