Car comparison

BMW M1 (E26) 3.5vsBMW 6 Series (E24) · Facelift 1987 M 635CSi

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

New comparison

BMW M1 (E26)

3.5

277 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1978-1981
VS

BMW 6 Series (E24) · Facelift 1987

M 635CSi

260 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1987-1989

Comparison overview

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

Best choices

BMW M1 (E26) 3.5

  • Quickest 0-100 km/h
    5.6 s
  • Fastest top speed
    262 km/h
    163 mph
  • Most powerful
    277 hp
    207 kW
  • Highest torque
    330 Nm
    243 lb-ft
  • Lightest
    1,300 kg
    2,866 lb
  • Best power-to-weight
    213 hp/t
    159 kW/t
    4.7 kg/hp
  • Best estimated range
    899 km
    559 mi
  • Best overall score
    54/100
  • Best performance score
    62/100

BMW 6 Series (E24) Facelift 1987 M 635CSi

  • Lowest combined fuel consumption
    11.9 L/100 km
    19.8 mpg US
    23.7 mpg UK
  • Lowest city consumption
    17.6 L/100 km
    13.4 mpg US
    16.1 mpg UK
  • Lowest highway consumption
    8.1 L/100 km
    29.0 mpg US
    34.9 mpg UK
  • Best economy score
    75/100
  • Best practicality score
    49/100

Specification comparison

Specification comparison
ModelBMWM1 (E26)3.5BMW6 Series (E24)Facelift 1987M 635CSi
Power
277hp207kW
260hp194kW
Torque
330Nm243lb-ft
330Nm243lb-ft
Curb weight
1,300kg2,866lb
1,515kg3,340lb
Gross weight
1,600kg3,527lb
1,865kg4,112lb
Top speed
262 km/h
163 mph
242 km/h
150 mph
To 99% top speed
82.5s99% target: 259 km/h / 161 mph
Calculated
92.7s99% target: 240 km/h / 149 mph
Calculated
0-100 km/h
5.6s
6.9s
0-200 km/h
20.7s
28.9s
Calculated
0-60 mph
5.3s
Calculated
6.5s
Calculated
Fuel consumption
12.9L/100 km18.2mpg US21.9mpg UK
11.9L/100 km19.8mpg US23.7mpg UK
Fuel consumption city
19.6L/100 km12mpg US14.4mpg UK
17.6L/100 km13.4mpg US16.1mpg UK
Fuel consumption highway
8.9L/100 km26.4mpg US31.7mpg UK
8.1L/100 km29mpg US34.9mpg UK
Quarter mile
13.7s
Calculated
14.9s
Calculated
Power-to-weight
213hp/t159kW/t97hp/1000 lb
Calculated
172hp/t128kW/t78hp/1000 lb
Calculated
Torque-to-weight
254Nm/t170lb-ft/ton
Calculated
218Nm/t146lb-ft/ton
Calculated
Estimated range
899km559mi
Calculated
588km366mi
Calculated
Displacement
3,453cc211cu in
3,453cc211cu in
Length
4,360mm172in
4,815mm190in
Width
1,824mm72in
1,725mm68in
Height
1,140mm45in
1,355mm53in
Wheelbase
2,560mm101in
2,625mm103in
Front track
1,550mm61in
1,430mm56in
Rear track
1,576mm62in
1,464mm58in
Ground clearance
125mm5in
-
Trunk volume-
335L
Doors
2
2
Seats
2
4
Fuel tank
116L
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 M1 (E26) 3.5BMW 6 Series (E24) Facelift 1987 M 635CSiPowerTorque
  • BMW M1 (E26) 3.5: Power / Torque
  • BMW 6 Series (E24) Facelift 1987 M 635CSi: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMWM1 (E26)3.56,500 rpm5,000 rpm7,000 rpm
BMW6 Series (E24)Facelift 1987M 635CSi6,500 rpm4,500 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMWM1 (E26)3.5BMW6 Series (E24)Facelift 1987M 635CSi
Acceleration checkpoints
0-60 mph
0-97 km/h
5.3 s
6.5 s
0-100 km/h
0-62 mph
5.6 s
6.9 s
0-200 km/h
0-124 mph
20.7 s
28.9 s
Top speed
262 km/h
163 mph
242 km/h
150 mph
Drag race simulation
60 ft
18 m
2.2 s
2.4 s
330 ft
101 m
5.9 s
6.4 s
1/8 mile
201 m
9.0 s
9.7 s
1000 ft
305 m
11.6 s
12.5 s
1/4 mile
402 m
13.7 s
14.9 s
Trap speed
1/4 mile
402 m
168 km/h
104 mph
154 km/h
96 mph

Power comparison

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

Chart data table
VehicleValue
BMWM1 (E26)3.5
277 hp
207 kW
BMW6 Series (E24)Facelift 1987M 635CSi
260 hp
194 kW

BMW M1 (E26) 3.5 has 17 hp more than BMW 6 Series (E24) Facelift 1987 M 635CSi.

The biggest power difference is between BMW 6 Series (E24) Facelift 1987 M 635CSi and BMW M1 (E26) 3.5: 17 hp (13 kW).

Torque comparison

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

Chart data table
VehicleValue
BMWM1 (E26)3.5
330 Nm
243 lb-ft
BMW6 Series (E24)Facelift 1987M 635CSi
330 Nm
243 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMWM1 (E26)3.5
1,300 kg
2,866 lb
BMW6 Series (E24)Facelift 1987M 635CSi
1,515 kg
3,340 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMWM1 (E26)3.5
262 km/h
163 mph
BMW6 Series (E24)Facelift 1987M 635CSi
242 km/h
150 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMWM1 (E26)3.55.6 s
BMW6 Series (E24)Facelift 1987M 635CSi6.9 s

The biggest 0-100 km/h difference is between BMW M1 (E26) 3.5 and BMW 6 Series (E24) Facelift 1987 M 635CSi: 1.3 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
BMWM1 (E26)3.5
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
BMW6 Series (E24)Facelift 1987M 635CSi
11.9 L/100 km
19.8 mpg US
23.7 mpg UK

The biggest fuel consumption difference is between BMW 6 Series (E24) Facelift 1987 M 635CSi and BMW M1 (E26) 3.5: 1.0 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
BMWM1 (E26)3.5
213 hp/t
159 kW/t
4.7 kg/hp
BMW6 Series (E24)Facelift 1987M 635CSi
172 hp/t
128 kW/t
5.8 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
BMWM1 (E26)3.5
899 km
559 mi
BMW6 Series (E24)Facelift 1987M 635CSi
588 km
366 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMWM1 (E26)3.5
277 hp
207 kW
5.6 s
262 km/h
163 mph
BMW6 Series (E24)Facelift 1987M 635CSi
260 hp
194 kW
6.9 s
242 km/h
150 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
BMWM1 (E26)3.5
Power
277 hp
207 kW
0-100 km/h5.6 s
Top speed
262 km/h
163 mph
Doors/seats
2 doors
2 seats
Trunk-
Length
4,360 mm
171.7 in
Height
1,140 mm
44.9 in
BMW6 Series (E24)Facelift 1987M 635CSi
Power
260 hp
194 kW
0-100 km/h6.9 s
Top speed
242 km/h
150 mph
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,815 mm
189.6 in
Height
1,355 mm
53.3 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
BMWM1 (E26)3.5
Power
277 hp
207 kW
0-100 km/h5.6 s
Top speed
262 km/h
163 mph
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
BMW6 Series (E24)Facelift 1987M 635CSi
Power
260 hp
194 kW
0-100 km/h6.9 s
Top speed
242 km/h
150 mph
11.9 L/100 km
19.8 mpg US
23.7 mpg UK

BMW M1 (E26) 3.5 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
BMWM1 (E26)3.5
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
5.6 s
BMW6 Series (E24)Facelift 1987M 635CSi
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
6.9 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
BMWM1 (E26)3.5
213 hp/t
159 kW/t
4.7 kg/hp
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
BMW6 Series (E24)Facelift 1987M 635CSi
172 hp/t
128 kW/t
5.8 kg/hp
11.9 L/100 km
19.8 mpg US
23.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMWM1 (E26)3.5BMW6 Series (E24)Facelift 1987M 635CSi
Power
277 hp
207 kW
260 hp
194 kW
Torque
330 Nm
243 lb-ft
330 Nm
243 lb-ft
Acceleration
5.6 s
6.9 s
Top speed
262 km/h
163 mph
242 km/h
150 mph
Lightness
1,300 kg
2,866 lb
1,515 kg
3,340 lb
Fuel consumption
12.9 L/100 km
18.2 mpg US
21.9 mpg UK
11.9 L/100 km
19.8 mpg US
23.7 mpg UK
Practicality
Doors/seats
2 doors
2 seats
Trunk-
Length
4,360 mm
171.7 in
Height
1,140 mm
44.9 in
Doors/seats
2 doors
4 seats
Trunk
335 L
11.8 cu ft
Length
4,815 mm
189.6 in
Height
1,355 mm
53.3 in
Range score
899 km
559 mi
588 km
366 mi
Trunk score
-
335 L
11.8 cu ft
Power-to-weight score
213 hp/t
159 kW/t
4.7 kg/hp
172 hp/t
128 kW/t
5.8 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 M1 (E26) 3.5BMW 6 Series (E24) Facelift 1987 M 635CSi
Consumption12.9 L/100 km18.2 mpg US21.9 mpg UK11.9 L/100 km19.8 mpg US23.7 mpg UK
Cost / 100 km22.58 LC100 km20.83 LC100 km
Cost / 100 mi36.33 LC100 mi33.51 LC100 mi
Annual fuel used1,935 L511 US gal426 UK gal1,785 L472 US gal393 UK gal
Annual fuel cost3,386 LC/year3,124 LC/year

Head-to-head comparisons

BMW M1 (E26) 3.5

  • Has 17 hp more
  • Is 215 kg lighter
  • Is 1.3 s quicker from 0-100 km/h
  • Has 20 km/h (12 mph) higher top speed
  • Has 41 hp/t better power-to-weight
  • Has 311 km (193 mi) more estimated range

Pros

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

Cons

  • Highest combined fuel consumption

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW M1 (E26) 3.5
BMW 6 Series (E24) M 635CSi
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2 vehicles selected

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