Car comparison

Mercedes-Benz W124 300 EvsBMW 7 Series (E23) · Facelift 1983 745i

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

New comparison

Mercedes-Benz W124

300 E

190 hp2962 ccGasolineRWDManualNaturally aspiratedSedan1984-1985

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.

Mercedes-Benz W124 300 E

Quickest 0-100 km/h
7.9 s
Fastest top speed
230 km/h
143 mph
Lightest
1,340 kg
2,954 lb
Lowest city consumption
12.1 L/100 km
19.4 mpg US
23.3 mpg UK
Lowest highway consumption
6.5 L/100 km
36.2 mpg US
43.5 mpg UK
Largest trunk
520 L
Best practicality score
76/100

BMW 7 Series (E23) Facelift 1983 745i

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

Specification comparison

Specification comparison
Model	Mercedes-BenzW124300 E	BMW7 Series (E23)Facelift 1983745i
Power	190hp142kW	252hp188kW
Torque	260Nm192lb-ft	380Nm280lb-ft
Curb weight	1,340kg2,954lb	1,590kg3,505lb
Gross weight	1,860kg4,101lb	2,100kg4,630lb
Top speed	230 km/h 143 mph	227 km/h 141 mph
To 99% top speed	72.3s99% target: 228 km/h / 141 mph Calculated	75.3s99% target: 225 km/h / 140 mph Calculated
0-100 km/h	7.9s	7.9s
0-200 km/h	30.5s Calculated	32.5s Calculated
0-60 mph	7.5s Calculated	7.5s Calculated
Fuel consumption	-	11.8L/100 km19.9mpg US23.9mpg UK
Fuel consumption city	12.1L/100 km19.4mpg US23.3mpg UK	16.6L/100 km14.2mpg US17.0mpg UK
Fuel consumption highway	6.5L/100 km36.2mpg US43.5mpg UK	8.4L/100 km28mpg US33.6mpg UK
Quarter mile	15.7s Calculated	15.7s Calculated
Power-to-weight	142hp/t106kW/t64hp/1000 lb Calculated	158hp/t118kW/t72hp/1000 lb Calculated
Torque-to-weight	194Nm/t130lb-ft/ton Calculated	239Nm/t160lb-ft/ton Calculated
Estimated range	-	847km527mi Calculated
Displacement	2,962cc181cu in	3,430cc209cu in
Length	4,740mm187in	4,860mm191in
Width	1,740mm69in	1,800mm71in
Height	1,451mm57in	1,430mm56in
Wheelbase	2,800mm110in	2,795mm110in
Front track	1,501mm59in	1,502mm59in
Rear track	1,485mm58in	1,524mm60in
Ground clearance	-	132mm5in
Trunk volume	520L	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.

Mercedes-Benz W124 300 EBMW 7 Series (E23) Facelift 1983 745iPowerTorque

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	Mercedes-BenzW124300 E	BMW7 Series (E23)Facelift 1983745i
	Acceleration checkpoints
0-60 mph 0-97 km/h	7.5 s	7.5 s
0-100 km/h 0-62 mph	7.9 s	7.9 s
0-200 km/h 0-124 mph	30.5 s	32.5 s
Top speed	230 km/h 143 mph	227 km/h 141 mph
	Drag race simulation
60 ft 18 m	2.8 s	2.7 s
330 ft 101 m	7.1 s	7.0 s
1/8 mile 201 m	10.4 s	10.4 s
1000 ft 305 m	13.3 s	13.3 s
1/4 mile 402 m	15.7 s	15.7 s
Trap speed 1/4 mile 402 m	153 km/h 95 mph	151 km/h 94 mph

Power comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzW124300 E	190 hp 142 kW
BMW7 Series (E23)Facelift 1983745i	252 hp 188 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
Mercedes-BenzW124300 E	260 Nm 192 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
Vehicle	Value
Mercedes-BenzW124300 E	1,340 kg 2,954 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
Vehicle	Value
Mercedes-BenzW124300 E	230 km/h 143 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
Vehicle	Value
Mercedes-BenzW124300 E	7.9 s
BMW7 Series (E23)Facelift 1983745i	7.9 s

Although BMW 7 Series (E23) Facelift 1983 745i has more power, Mercedes-Benz W124 300 E is quicker from 0-100 km/h.

Power-to-weight comparison

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

Chart data table
Vehicle	Value
Mercedes-BenzW124300 E	142 hp/t 106 kW/t 7.1 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
Vehicle	Power	Acceleration	Top speed
Mercedes-BenzW124300 E	190 hp 142 kW	7.9 s	230 km/h 143 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.

Vehicle

Performance score

Practicality score

Mercedes-BenzW124300 E

Power	190 hp 142 kW
0-100 km/h	7.9 s
Top speed 230 km/h 143 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

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

Detailed score breakdown

Vehicle

Mercedes-BenzW124300 E

BMW7 Series (E23)Facelift 1983745i

Power

190 hp

142 kW

252 hp

188 kW

Torque

260 Nm

192 lb-ft

380 Nm

280 lb-ft

Acceleration

7.9 s

Top speed

230 km/h

143 mph

227 km/h

141 mph

Lightness

1,340 kg

2,954 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	520 L 18.4 cu ft
Length	4,740 mm 186.6 in
Height	1,451 mm 57.1 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

520 L

18.4 cu ft

480 L

17.0 cu ft

Power-to-weight score

142 hp/t

106 kW/t

7.1 kg/hp

158 hp/t

118 kW/t

6.3 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