Car comparison

BMW 6 Series Gran Turismo (G32) 620dvsBMW 6 Series (E24) 635CSi

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

New comparison

BMW 6 Series Gran Turismo (G32)

620d

190 hp1995 ccDieselRWDAutomaticTurbocharged2018-2020
VS

BMW 6 Series (E24)

635CSi

218 hp3453 ccGasolineRWDManualNaturally aspiratedCoupe1978-1982

Comparison overview

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

Best choices

BMW 6 Series Gran Turismo (G32) 620d

  • Fastest top speed
    230 km/h
    143 mph Unrestricted
    220 km/h
    137 mph Restricted
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    4.9 L/100 km
    48.0 mpg US
    57.6 mpg UK
  • Best estimated range
    1,347 km
    837 mi
  • Largest trunk
    610 L
  • Best overall score
    60/100
  • Best performance score
    51/100
  • Best economy score
    94/100
  • Best practicality score
    79/100

BMW 6 Series (E24) 635CSi

  • Quickest 0-100 km/h
    7.6 s
  • Most powerful
    218 hp
    163 kW
  • Lightest
    1,500 kg
    3,307 lb
  • Best power-to-weight
    145 hp/t
    108 kW/t
    6.9 kg/hp

Specification comparison

Specification comparison
ModelBMW6 Series Gran Turismo (G32)620dBMW6 Series (E24)635CSi
Power
190hp142kW
218hp163kW
Torque
400Nm295lb-ft
310Nm229lb-ft
Curb weight
1,765kg3,891lb
1,500kg3,307lb
Gross weight
2,440kg5,379lb
1,860kg4,101lb
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Calculated
222 km/h
138 mph
To 99% top speed
97.1s99% target: 228 km/h / 141 mph
Calculated
94.9s99% target: 220 km/h / 137 mph
Calculated
0-100 km/h
7.9s
7.6s
0-200 km/h
36.5s
Calculated
40.5s
Calculated
0-60 mph
7.5s
Calculated
7.2s
Calculated
Fuel consumption
4.9L/100 km48mpg US57.6mpg UK
10L/100 km23.5mpg US28.2mpg UK
Fuel consumption city
5.4L/100 km43.6mpg US52.3mpg UK
-
Fuel consumption highway
4.6L/100 km51.1mpg US61.4mpg UK
-
Quarter mile
15.7s
Calculated
15.5s
Calculated
Power-to-weight
108hp/t80kW/t49hp/1000 lb
Calculated
145hp/t108kW/t66hp/1000 lb
Calculated
Torque-to-weight
227Nm/t152lb-ft/ton
Calculated
207Nm/t138lb-ft/ton
Calculated
Estimated range
1,347km837mi
Calculated
700km435mi
Calculated
Displacement
1,995cc122cu in
3,453cc211cu in
Length
5,091mm200in
4,755mm187in
Width
1,902mm75in
1,725mm68in
Height
1,540mm61in
1,365mm54in
Wheelbase
3,070mm121in
2,626mm103in
Front track
1,615mm64in
1,422mm56in
Rear track
1,647mm65in
1,487mm59in
Ground clearance
138mm5in
-
Trunk volume
610L
415L
Max trunk volume
1,800L
-
Doors
5
2
Seats
5
4
Fuel tank
66L
70L
CO2 emissions
129g/km
-

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 6 Series Gran Turismo (G32) 620dBMW 6 Series (E24) 635CSiPowerTorque
  • BMW 6 Series Gran Turismo (G32) 620d: Power / Torque
  • BMW 6 Series (E24) 635CSi: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series Gran Turismo (G32)620d4,000 rpm1,750-2,500 rpm4,250 rpm
BMW6 Series (E24)635CSi5,200 rpm4,000 rpm5,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series Gran Turismo (G32)620dBMW6 Series (E24)635CSi
Acceleration checkpoints
0-60 mph
0-97 km/h
7.5 s
7.2 s
0-100 km/h
0-62 mph
7.9 s
7.6 s
0-200 km/h
0-124 mph
36.5 s
40.5 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Likely limited
222 km/h
138 mph
Drag race simulation
60 ft
18 m
2.5 s
2.4 s
330 ft
101 m
6.8 s
6.6 s
1/8 mile
201 m
10.2 s
10.0 s
1000 ft
305 m
13.2 s
13.0 s
1/4 mile
402 m
15.7 s
15.5 s
Trap speed
1/4 mile
402 m
146 km/h
91 mph
146 km/h
90 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
190 hp
142 kW
BMW6 Series (E24)635CSi
218 hp
163 kW

BMW 6 Series (E24) 635CSi has 28 hp more than BMW 6 Series Gran Turismo (G32) 620d.

The biggest power difference is between BMW 6 Series Gran Turismo (G32) 620d and BMW 6 Series (E24) 635CSi: 28 hp (21 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
400 Nm
295 lb-ft
BMW6 Series (E24)635CSi
310 Nm
229 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
1,765 kg
3,891 lb
BMW6 Series (E24)635CSi
1,500 kg
3,307 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
BMW6 Series (E24)635CSi
222 km/h
138 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d7.9 s
BMW6 Series (E24)635CSi7.6 s

The biggest 0-100 km/h difference is between BMW 6 Series (E24) 635CSi and BMW 6 Series Gran Turismo (G32) 620d: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMW6 Series (E24)635CSi
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

The biggest fuel consumption difference is between BMW 6 Series Gran Turismo (G32) 620d and BMW 6 Series (E24) 635CSi: 5.1 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
BMW6 Series Gran Turismo (G32)620d
108 hp/t
80 kW/t
9.3 kg/hp
BMW6 Series (E24)635CSi
145 hp/t
108 kW/t
6.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series Gran Turismo (G32)620d
1,347 km
837 mi
BMW6 Series (E24)635CSi
700 km
435 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series Gran Turismo (G32)620d
190 hp
142 kW
7.9 s
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
BMW6 Series (E24)635CSi
218 hp
163 kW
7.6 s
222 km/h
138 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
BMW6 Series Gran Turismo (G32)620d
Power
190 hp
142 kW
0-100 km/h7.9 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,540 mm
60.6 in
BMW6 Series (E24)635CSi
Power
218 hp
163 kW
0-100 km/h7.6 s
Top speed
222 km/h
138 mph
Doors/seats
2 doors
4 seats
Trunk
415 L
14.7 cu ft
Length
4,755 mm
187.2 in
Height
1,365 mm
53.7 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
BMW6 Series Gran Turismo (G32)620d
Power
190 hp
142 kW
0-100 km/h7.9 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMW6 Series (E24)635CSi
Power
218 hp
163 kW
0-100 km/h7.6 s
Top speed
222 km/h
138 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

BMW 6 Series Gran Turismo (G32) 620d 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
BMW6 Series Gran Turismo (G32)620d
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
7.9 s
BMW6 Series (E24)635CSi
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
7.6 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
BMW6 Series Gran Turismo (G32)620d
108 hp/t
80 kW/t
9.3 kg/hp
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
BMW6 Series (E24)635CSi
145 hp/t
108 kW/t
6.9 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series Gran Turismo (G32)620dBMW6 Series (E24)635CSi
Power
190 hp
142 kW
218 hp
163 kW
Torque
400 Nm
295 lb-ft
310 Nm
229 lb-ft
Acceleration
7.9 s
7.6 s
Top speed
Unrestricted
230 km/h143 mph
Restricted
220 km/h137 mph
222 km/h
138 mph
Lightness
1,765 kg
3,891 lb
1,500 kg
3,307 lb
Fuel consumption
4.9 L/100 km
48.0 mpg US
57.6 mpg UK
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
610 L
21.5 cu ft
Length
5,091 mm
200.4 in
Height
1,540 mm
60.6 in
Doors/seats
2 doors
4 seats
Trunk
415 L
14.7 cu ft
Length
4,755 mm
187.2 in
Height
1,365 mm
53.7 in
Range score
1,347 km
837 mi
700 km
435 mi
CO2 score
129 g/km
-
Trunk score
610 L
21.5 cu ft
415 L
14.7 cu ft
Power-to-weight score
108 hp/t
80 kW/t
9.3 kg/hp
145 hp/t
108 kW/t
6.9 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 6 Series Gran Turismo (G32) 620dBMW 6 Series (E24) 635CSi
Consumption4.9 L/100 km48 mpg US57.6 mpg UK10 L/100 km23.5 mpg US28.2 mpg UK
Cost / 100 km8.58 LC100 km17.50 LC100 km
Cost / 100 mi13.80 LC100 mi28.16 LC100 mi
Annual fuel used735 L194 US gal162 UK gal1,500 L396 US gal330 UK gal
Annual fuel cost1,286 LC/year2,625 LC/year

Head-to-head comparisons

BMW 6 Series Gran Turismo (G32) 620d

  • Has 90 Nm more
  • Has 8 km/h (5 mph) higher top speed
  • Uses 5.1 L/100 km less fuel
  • Has 647 km (402 mi) more estimated range
  • Has 195 L more trunk volume

Pros

  • Highest top speed
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

BMW 6 Series (E24) 635CSi

  • Has 28 hp more
  • Is 265 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 38 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series Gran Turismo (G32) 620d
BMW 6 Series (E24) 635CSi
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