Car comparison

BMW 6 Series (E63) 630ivsBMW 1 Series Coupe (E82) 125i

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

New comparison

BMW 6 Series (E63)

630i

258 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2004-2007
VS

BMW 1 Series Coupe (E82)

125i

218 hp2996 ccGasolineRWDManualNaturally aspiratedCoupe2009-2011

Comparison overview

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

Best choices

BMW 6 Series (E63) 630i

  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    258 hp
    192 kW
  • Highest torque
    300 Nm
    221 lb-ft
  • Best power-to-weight
    173 hp/t
    129 kW/t
    5.8 kg/hp
  • Best estimated range
    778 km
    483 mi
  • Largest trunk
    450 L
  • Best overall score
    57/100
  • Best performance score
    59/100
  • Best practicality score
    53/100

BMW 1 Series Coupe (E82) 125i

  • Quickest 0-100 km/h
    6.4 s
  • Lightest
    1,405 kg
    3,097 lb
  • Lowest combined fuel consumption
    7.9 L/100 km
    29.8 mpg US
    35.8 mpg UK
  • Lowest city consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest highway consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelBMW6 Series (E63)630iBMW1 Series Coupe (E82)125i
Power
258hp192kW
218hp163kW
Torque
300Nm221lb-ft
270Nm199lb-ft
Curb weight
1,490kg3,285lb
1,405kg3,097lb
Gross weight
1,940kg4,277lb
1,845kg4,068lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
245 km/h
152 mph
To 99% top speed
89.2s99% target: 257 km/h / 160 mph
Calculated
80.9s99% target: 243 km/h / 151 mph
Calculated
0-100 km/h
6.5s
6.4s
0-200 km/h
23.5s
Calculated
25.2s
Calculated
0-60 mph
6.2s
Calculated
6.1s
Calculated
Fuel consumption
9L/100 km26.1mpg US31.4mpg UK
7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city
13.1L/100 km18mpg US21.6mpg UK
11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption highway
6.7L/100 km35.1mpg US42.2mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
14.5s
Calculated
14.5s
Calculated
Power-to-weight
173hp/t129kW/t79hp/1000 lb
Calculated
155hp/t116kW/t70hp/1000 lb
Calculated
Torque-to-weight
201Nm/t135lb-ft/ton
Calculated
192Nm/t129lb-ft/ton
Calculated
Estimated range
778km483mi
Calculated
671km417mi
Calculated
Displacement
2,996cc183cu in
2,996cc183cu in
Length
4,820mm190in
4,360mm172in
Width
1,855mm73in
1,748mm69in
Height
1,373mm54in
1,423mm56in
Wheelbase
2,780mm109in
2,660mm105in
Front track
1,558mm61in
1,474mm58in
Rear track
1,596mm63in
1,507mm59in
Ground clearance-
147mm6in
Trunk volume
450L
370L
Doors
2
2
Seats
4
4
Fuel tank
70L
53L
CO2 emissions-
190g/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 (E63) 630iBMW 1 Series Coupe (E82) 125iPowerTorque
  • BMW 6 Series (E63) 630i: Power / Torque
  • BMW 1 Series Coupe (E82) 125i: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
BMW6 Series (E63)630i6,600 rpm2,500 rpm6,850 rpm
BMW1 Series Coupe (E82)125i6,100 rpm2,500-4,250 rpm6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricBMW6 Series (E63)630iBMW1 Series Coupe (E82)125i
Acceleration checkpoints
0-60 mph
0-97 km/h
6.2 s
6.1 s
0-100 km/h
0-62 mph
6.5 s
6.4 s
0-200 km/h
0-124 mph
23.5 s
25.2 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
245 km/h
152 mph
Drag race simulation
60 ft
18 m
2.4 s
2.4 s
330 ft
101 m
6.4 s
6.3 s
1/8 mile
201 m
9.5 s
9.5 s
1000 ft
305 m
12.3 s
12.2 s
1/4 mile
402 m
14.5 s
14.5 s
Trap speed
1/4 mile
402 m
161 km/h
100 mph
160 km/h
99 mph

Power comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
258 hp
192 kW
BMW1 Series Coupe (E82)125i
218 hp
163 kW

BMW 6 Series (E63) 630i has 40 hp more than BMW 1 Series Coupe (E82) 125i.

The biggest power difference is between BMW 1 Series Coupe (E82) 125i and BMW 6 Series (E63) 630i: 40 hp (30 kW).

Torque comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
300 Nm
221 lb-ft
BMW1 Series Coupe (E82)125i
270 Nm
199 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
1,490 kg
3,285 lb
BMW1 Series Coupe (E82)125i
1,405 kg
3,097 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 (E63)630i
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW1 Series Coupe (E82)125i
245 km/h
152 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i6.5 s
BMW1 Series Coupe (E82)125i6.4 s

Although BMW 6 Series (E63) 630i has more power, BMW 1 Series Coupe (E82) 125i is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between BMW 1 Series Coupe (E82) 125i and BMW 6 Series (E63) 630i: 0.1 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 (E63)630i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW1 Series Coupe (E82)125i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

The biggest fuel consumption difference is between BMW 1 Series Coupe (E82) 125i and BMW 6 Series (E63) 630i: 1.1 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 (E63)630i
173 hp/t
129 kW/t
5.8 kg/hp
BMW1 Series Coupe (E82)125i
155 hp/t
116 kW/t
6.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
BMW6 Series (E63)630i
778 km
483 mi
BMW1 Series Coupe (E82)125i
671 km
417 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
BMW6 Series (E63)630i
258 hp
192 kW
6.5 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
BMW1 Series Coupe (E82)125i
218 hp
163 kW
6.4 s
245 km/h
152 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 (E63)630i
Power
258 hp
192 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in
BMW1 Series Coupe (E82)125i
Power
218 hp
163 kW
0-100 km/h6.4 s
Top speed
245 km/h
152 mph
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,360 mm
171.7 in
Height
1,423 mm
56.0 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 (E63)630i
Power
258 hp
192 kW
0-100 km/h6.5 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW1 Series Coupe (E82)125i
Power
218 hp
163 kW
0-100 km/h6.4 s
Top speed
245 km/h
152 mph
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

BMW 6 Series (E63) 630i 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 (E63)630i
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
6.5 s
BMW1 Series Coupe (E82)125i
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
6.4 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 (E63)630i
173 hp/t
129 kW/t
5.8 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
BMW1 Series Coupe (E82)125i
155 hp/t
116 kW/t
6.4 kg/hp
7.9 L/100 km
29.8 mpg US
35.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleBMW6 Series (E63)630iBMW1 Series Coupe (E82)125i
Power
258 hp
192 kW
218 hp
163 kW
Torque
300 Nm
221 lb-ft
270 Nm
199 lb-ft
Acceleration
6.5 s
6.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
245 km/h
152 mph
Lightness
1,490 kg
3,285 lb
1,405 kg
3,097 lb
Fuel consumption
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
7.9 L/100 km
29.8 mpg US
35.8 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
450 L
15.9 cu ft
Length
4,820 mm
189.8 in
Height
1,373 mm
54.1 in
Doors/seats
2 doors
4 seats
Trunk
370 L
13.1 cu ft
Length
4,360 mm
171.7 in
Height
1,423 mm
56.0 in
Range score
778 km
483 mi
671 km
417 mi
CO2 score
-
190 g/km
Trunk score
450 L
15.9 cu ft
370 L
13.1 cu ft
Power-to-weight score
173 hp/t
129 kW/t
5.8 kg/hp
155 hp/t
116 kW/t
6.4 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 (E63) 630iBMW 1 Series Coupe (E82) 125i
Consumption9 L/100 km26.1 mpg US31.4 mpg UK7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km15.75 LC100 km13.83 LC100 km
Cost / 100 mi25.35 LC100 mi22.25 LC100 mi
Annual fuel used1,350 L357 US gal297 UK gal1,185 L313 US gal261 UK gal
Annual fuel cost2,363 LC/year2,074 LC/year

Head-to-head comparisons

BMW 6 Series (E63) 630i

  • Has 40 hp more
  • Has 30 Nm more
  • Has 15 km/h (9 mph) higher top speed
  • Has 18 hp/t better power-to-weight
  • Has 107 km (66 mi) more estimated range
  • Has 80 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest

BMW 1 Series Coupe (E82) 125i

  • Is 85 kg lighter
  • Is 0.1 s quicker from 0-100 km/h
  • Uses 1.1 L/100 km less fuel

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Lowest combined fuel consumption

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
BMW 6 Series (E63) 630i
BMW 1 Series Coupe (E82) 125i
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BMW 6 Series (E63) 630i vs BMW 1 Series Coupe (E82) 125i - car comparison - FastVsFaster