The Comparative Analysis :
SEAT Leon SC 1.4 TSI ACT DSG (14 - 16) vs. BMW 123d Automatic (07 - 12)
€ 23,300

€ 34,200

€ 23,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The SEAT Leon SC 1.4 TSI ACT Start&Stop is 1.1 cm shorter, 6.2 cm wider and 2.5 cm taller than the BMW 123d.
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
1446
1810
1975
1421
1748
1934
1810 mm
Width
1748 mm
1975 mm
Width Incl. Mirrors
1934 mm
1446 mm
Height
1421 mm
2601
4228
2660
4239
4228 mm
Length
4239 mm
2601 mm
Wheelbase
2660 mm
Vehicle Weight
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
1243 kg
Kerb Weight
1485 kg
1760 kg
Gross Vehicle
Weight
Weight
1910 kg

Weight Difference:
242 kg
16.3 %

General
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
5F
Generation
E81
Hatchback
Car Body Style
Hatchback
Unleaded (95 RON)
Fuel Type
Diesel

Front-wheel drive
Drive
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
Straight-four petrol engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
BMW
4
Valves
4
4
Cylinders
4
1395 CC
Engine Capacity
1995 CC
148 bhp
at 5000 rpm
Power
201 bhp
at 4400 rpm
SEAT Leon SC 1.4 TSI ACT Start&Stop
148 bhp
201 bhp
BMW 123d
250 NM
at 1500 rpm
Max. Torque
400 NM
at 2000 rpm
SEAT Leon SC 1.4 TSI ACT Start&Stop
250 NM
400 NM
BMW 123d
Performance
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
134 mph
Maximum Speed
147 mph
7.9 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
110 m
0.000 sec

SEAT Leon SC 1.4 TSI ACT Start&Stop
62 mph
62
mph
mph
97 m
0.000 sec

BMW 123d
▶ REPLAY
8.4 kg/bhp
Weight-to-Power Ratio
7.39 kg/bhp
SEAT Leon SC 1.4 TSI ACT Start&Stop
8.4 kg/bhp
7.39 kg/bhp
BMW 123d
Fuel Economy / Emissions
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
Fuel Economy
60 mpg
combined
51 mpg
SEAT Leon SC 1.4 TSI ACT Start&Stop
60 mpg
51 mpg
BMW 123d
No data
city
41 mpg
No data
motorway
No data
50 L
Fuel Tank Capacity
51 L
661 mi
Range
576 mi
SEAT Leon SC 1.4 TSI ACT Start&Stop
661 mi
576 mi
BMW 123d
Environmental Impact
89 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
113.1 kWh
SEAT Leon SC 1.4 TSI ACT Start&Stop
89 kWh
113.1 kWh
BMW 123d
Euro 6b (NEFZ)
Emission Standard
Euro 5
110 g/km (NEFZ)
CO2 Emissions
145 g/km (NEFZ)
Practical Convenience
SEAT Leon SC 1.4 TSI ACT Start&Stop
BMW 123d
3
Doors
3
5
No. of Seats
4
517 kg
Maximum Payload
425 kg
380 L
Boot Capacity
330 L







1150 L
Boot Capacity (Seats Down)
1150 L