Car comparison

BMW 7 Series (E23) · Facelift 1983 745ivsMercedes-Benz W124 300 E

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

New comparison

BMW 7 Series (E23) · Facelift 1983

745i

252 hp3430 ccGasolineRWDAutomaticTurbochargedSedan1983-1986

Mercedes-Benz W124

300 E

190 hp2962 ccGasolineRWDAutomaticNaturally aspiratedSedan1984-1985

Comparison overview

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

BMW 7 Series (E23) Facelift 1983 745i

Quickest 0-100 km/h
7.9 s
Fastest top speed
227 km/h
141 mph
Most powerful
252 hp
188 kW
Highest torque
380 Nm
280 lb-ft
Best power-to-weight
158 hp/t
118 kW/t
6.3 kg/hp
Best overall score
59/100
Best performance score
52/100
Best economy score
75/100

Mercedes-Benz W124 300 E

Lightest
1,340 kg
2,954 lb
Lowest city consumption
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Lowest highway consumption
8.0 L/100 km
29.4 mpg US
35.3 mpg UK
Largest trunk
520 L
Best practicality score
76/100

Specification comparison

Specification comparison
Model	BMW7 Series (E23)Facelift 1983745i	Mercedes-BenzW124300 E
Power	252hp188kW	190hp142kW
Torque	380Nm280lb-ft	260Nm192lb-ft
Curb weight	1,590kg3,505lb	1,340kg2,954lb
Gross weight	2,100kg4,630lb	1,860kg4,101lb
Top speed	227 km/h 141 mph	225 km/h 140 mph
To 99% top speed	75.3s99% target: 225 km/h / 140 mph Calculated	73.6s99% target: 223 km/h / 138 mph Calculated
0-100 km/h	7.9s	8.3s
0-200 km/h	32.5s Calculated	33.6s Calculated
0-60 mph	7.5s Calculated	7.9s Calculated
Fuel consumption	11.8L/100 km19.9mpg US23.9mpg UK	-
Fuel consumption city	16.6L/100 km14.2mpg US17.0mpg UK	11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption highway	8.4L/100 km28mpg US33.6mpg UK	8L/100 km29.4mpg US35.3mpg UK
Quarter mile	15.7s Calculated	16.0s Calculated
Power-to-weight	158hp/t118kW/t72hp/1000 lb Calculated	142hp/t106kW/t64hp/1000 lb Calculated
Torque-to-weight	239Nm/t160lb-ft/ton Calculated	194Nm/t130lb-ft/ton Calculated
Estimated range	847km527mi Calculated	-
Displacement	3,430cc209cu in	2,962cc181cu in
Length	4,860mm191in	4,740mm187in
Width	1,800mm71in	1,740mm69in
Height	1,430mm56in	1,451mm57in
Wheelbase	2,795mm110in	2,800mm110in
Front track	1,502mm59in	1,501mm59in
Rear track	1,524mm60in	1,485mm58in
Ground clearance	132mm5in	-
Trunk volume	480L	520L
Doors	4	4
Seats	5	5
Fuel tank	100L	70L

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) Facelift 1983 745iMercedes-Benz W124 300 EPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW7 Series (E23)Facelift 1983745i	4,900 rpm	2,200 rpm	5,150 rpm
Mercedes-BenzW124300 E	5,600 rpm	4,250 rpm	5,850 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW7 Series (E23)Facelift 1983745i	Mercedes-BenzW124300 E
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.5 s	7.9 s
0-100 km/h 0-62 mph	7.9 s	8.3 s
0-200 km/h 0-124 mph	32.5 s	33.6 s
Top speed	227 km/h 141 mph	225 km/h 140 mph
	Drag race simulation
60 ft 18 m	2.7 s	2.8 s
330 ft 101 m	7.0 s	7.2 s
1/8 mile 201 m	10.4 s	10.6 s
1000 ft 305 m	13.3 s	13.6 s
1/4 mile 402 m	15.7 s	16.0 s
Trap speed 1/4 mile 402 m	151 km/h 94 mph	150 km/h 93 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	252 hp 188 kW
Mercedes-BenzW124300 E	190 hp 142 kW

BMW 7 Series (E23) Facelift 1983 745i has 62 hp more than Mercedes-Benz W124 300 E.

The biggest power difference is between Mercedes-Benz W124 300 E and BMW 7 Series (E23) Facelift 1983 745i: 62 hp (46 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	380 Nm 280 lb-ft
Mercedes-BenzW124300 E	260 Nm 192 lb-ft

Curb weight comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	1,590 kg 3,505 lb
Mercedes-BenzW124300 E	1,340 kg 2,954 lb

Top speed without limiter comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	227 km/h 141 mph
Mercedes-BenzW124300 E	225 km/h 140 mph

0-100 km/h comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	7.9 s
Mercedes-BenzW124300 E	8.3 s

The biggest 0-100 km/h difference is between BMW 7 Series (E23) Facelift 1983 745i and Mercedes-Benz W124 300 E: 0.4 s.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
BMW7 Series (E23)Facelift 1983745i	158 hp/t 118 kW/t 6.3 kg/hp
Mercedes-BenzW124300 E	142 hp/t 106 kW/t 7.1 kg/hp

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
Vehicle	Power	Acceleration	Top speed
BMW7 Series (E23)Facelift 1983745i	252 hp 188 kW	7.9 s	227 km/h 141 mph
Mercedes-BenzW124300 E	190 hp 142 kW	8.3 s	225 km/h 140 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Vehicle

Performance score

Practicality score

BMW7 Series (E23)Facelift 1983745i

Power	252 hp 188 kW
0-100 km/h	7.9 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

Mercedes-BenzW124300 E

Power	190 hp 142 kW
0-100 km/h	8.3 s
Top speed 225 km/h 140 mph

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	4,740 mm 186.6 in
Height	1,451 mm 57.1 in

Detailed score breakdown

Vehicle

BMW7 Series (E23)Facelift 1983745i

Mercedes-BenzW124300 E

Power

252 hp

188 kW

190 hp

142 kW

Torque

380 Nm

280 lb-ft

260 Nm

192 lb-ft

Acceleration

7.9 s

8.3 s

Top speed

227 km/h

141 mph

225 km/h

140 mph

Lightness

1,590 kg

3,505 lb

1,340 kg

2,954 lb

Fuel consumption

11.8 L/100 km

19.9 mpg US

23.9 mpg UK

Practicality

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

Doors/seats	4 doors 5 seats
Trunk	520 L 18.4 cu ft
Length	4,740 mm 186.6 in
Height	1,451 mm 57.1 in

Range score

847 km

527 mi

Trunk score

480 L

17.0 cu ft

520 L

18.4 cu ft

Power-to-weight score

158 hp/t

118 kW/t

6.3 kg/hp

142 hp/t

106 kW/t

7.1 kg/hp

Overall

Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Average annual distanceDistance unitFuel price in your local currencyPrice unit

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
Vehicle	BMW 7 Series (E23) Facelift 1983 745i
Consumption	11.8 L/100 km19.9 mpg US23.9 mpg UK
Cost / 100 km	20.65 LC100 km
Cost / 100 mi	33.23 LC100 mi
Annual fuel used	1,770 L468 US gal389 UK gal
Annual fuel cost	3,098 LC/year