Car comparison

BMW 6 Series (E63) · Facelift 2007 635dvsBMW 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) · Facelift 2007

635d

286 hp2993 ccDieselRWDAutomaticTurbochargedCoupe2007-2010

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.

BMW 6 Series (E63) Facelift 2007 635d

Quickest 0-100 km/h
6.3 s
Fastest top speed
260 km/h
162 mph Unrestricted
250 km/h
155 mph Restricted
Most powerful
286 hp
213 kW
Highest torque
580 Nm
428 lb-ft
Best power-to-weight
173 hp/t
129 kW/t
5.8 kg/hp
Lowest combined fuel consumption
6.9 L/100 km
34.1 mpg US
40.9 mpg UK
Lowest city consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
Lowest highway consumption
5.6 L/100 km
42.0 mpg US
50.4 mpg UK
Lowest CO2 emissions
183 g/km
Best estimated range
1,014 km
630 mi
Largest trunk
450 L
Best overall score
62/100
Best performance score
66/100
Best economy score
88/100
Best practicality score
53/100

BMW 1 Series Coupe (E82) 125i

Lightest
1,405 kg
3,097 lb

Specification comparison

Specification comparison
Model	BMW6 Series (E63)Facelift 2007635d	BMW1 Series Coupe (E82)125i
Power	286hp213kW	218hp163kW
Torque	580Nm428lb-ft	270Nm199lb-ft
Curb weight	1,650kg3,638lb	1,405kg3,097lb
Gross weight	2,100kg4,630lb	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	87.8s99% target: 257 km/h / 160 mph Calculated	80.9s99% target: 243 km/h / 151 mph Calculated
0-100 km/h	6.3s	6.4s
0-200 km/h	23.0s Calculated	25.2s Calculated
0-60 mph	6.0s Calculated	6.1s Calculated
Fuel consumption	6.9L/100 km34.1mpg US40.9mpg UK	7.9L/100 km29.8mpg US35.8mpg UK
Fuel consumption city	9.2L/100 km25.6mpg US30.7mpg UK	11.4L/100 km20.6mpg US24.8mpg UK
Fuel consumption highway	5.6L/100 km42mpg US50.4mpg UK	5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile	14.3s Calculated	14.5s Calculated
Power-to-weight	173hp/t129kW/t79hp/1000 lb Calculated	155hp/t116kW/t70hp/1000 lb Calculated
Torque-to-weight	352Nm/t235lb-ft/ton Calculated	192Nm/t129lb-ft/ton Calculated
Estimated range	1,014km630mi Calculated	671km417mi Calculated
Displacement	2,993cc183cu in	2,996cc183cu in
Length	4,820mm190in	4,360mm172in
Width	1,855mm73in	1,748mm69in
Height	1,374mm54in	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	183g/km	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) Facelift 2007 635dBMW 1 Series Coupe (E82) 125iPowerTorque

Dyno simulation data table
Vehicle	Peak power RPM	Peak torque RPM	Max engine speed
BMW6 Series (E63)Facelift 2007635d	4,400 rpm	1,750-2,250 rpm	4,650 rpm
BMW1 Series Coupe (E82)125i	6,100 rpm	2,500-4,250 rpm	6,350 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
Metric	BMW6 Series (E63)Facelift 2007635d	BMW1 Series Coupe (E82)125i
	Acceleration checkpoints
0-60 mph 0-97 km/h	6.0 s	6.1 s
0-100 km/h 0-62 mph	6.3 s	6.4 s
0-200 km/h 0-124 mph	23.0 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	6.3 s	6.3 s
1/8 mile 201 m	9.4 s	9.5 s
1000 ft 305 m	12.1 s	12.2 s
1/4 mile 402 m	14.3 s	14.5 s
Trap speed 1/4 mile 402 m	162 km/h 101 mph	160 km/h 99 mph

Power comparison

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

Chart data table
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	286 hp 213 kW
BMW1 Series Coupe (E82)125i	218 hp 163 kW

BMW 6 Series (E63) Facelift 2007 635d has 68 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) Facelift 2007 635d: 68 hp (51 kW).

Torque comparison

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

Chart data table
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	580 Nm 428 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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	1,650 kg 3,638 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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	6.3 s
BMW1 Series Coupe (E82)125i	6.4 s

The biggest 0-100 km/h difference is between BMW 6 Series (E63) Facelift 2007 635d and BMW 1 Series Coupe (E82) 125i: 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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	6.9 L/100 km 34.1 mpg US 40.9 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 6 Series (E63) Facelift 2007 635d and BMW 1 Series Coupe (E82) 125i: 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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	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
Vehicle	Value
BMW6 Series (E63)Facelift 2007635d	1,014 km 630 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
Vehicle	Power	Acceleration	Top speed
BMW6 Series (E63)Facelift 2007635d	286 hp 213 kW	6.3 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.

Vehicle

Performance score

Practicality score

BMW6 Series (E63)Facelift 2007635d

Power	286 hp 213 kW
0-100 km/h	6.3 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	1,374 mm 54.1 in

BMW1 Series Coupe (E82)125i

Power	218 hp 163 kW
0-100 km/h	6.4 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.

Vehicle

Performance score

Fuel economy score

BMW6 Series (E63)Facelift 2007635d

Power	286 hp 213 kW
0-100 km/h	6.3 s
Top speed Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph

6.9 L/100 km

34.1 mpg US

40.9 mpg UK

BMW1 Series Coupe (E82)125i

Power	218 hp 163 kW
0-100 km/h	6.4 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) Facelift 2007 635d 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
Vehicle	Fuel consumption, L/100 km	0-100 km/h, s
BMW6 Series (E63)Facelift 2007635d	6.9 L/100 km 34.1 mpg US 40.9 mpg UK	6.3 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
Vehicle	Power-to-weight, hp/t	Fuel consumption, L/100 km
BMW6 Series (E63)Facelift 2007635d	173 hp/t 129 kW/t 5.8 kg/hp	6.9 L/100 km 34.1 mpg US 40.9 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

Vehicle

BMW6 Series (E63)Facelift 2007635d

BMW1 Series Coupe (E82)125i

Power

286 hp

213 kW

218 hp

163 kW

Torque

580 Nm

428 lb-ft

270 Nm

199 lb-ft

Acceleration

6.3 s

6.4 s

Top speed

Unrestricted

260 km/h162 mph

Restricted

250 km/h155 mph

245 km/h

152 mph

Lightness

1,650 kg

3,638 lb

1,405 kg

3,097 lb

Fuel consumption

6.9 L/100 km

34.1 mpg US

40.9 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	1,374 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

1,014 km

630 mi

671 km

417 mi

CO2 score

183 g/km

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

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 6 Series (E63) Facelift 2007 635d	BMW 1 Series Coupe (E82) 125i
Consumption	6.9 L/100 km34.1 mpg US40.9 mpg UK	7.9 L/100 km29.8 mpg US35.8 mpg UK
Cost / 100 km	12.08 LC100 km	13.83 LC100 km
Cost / 100 mi	19.43 LC100 mi	22.25 LC100 mi
Annual fuel used	1,035 L273 US gal228 UK gal	1,185 L313 US gal261 UK gal
Annual fuel cost	1,811 LC/year	2,074 LC/year