The Comparative Analysis :
SEAT Leon 1.4 TSI (14 - 16) vs. BMW 123d (07 - 12)
€ 21,200

€ 32,100

€ 21,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 32,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The SEAT Leon 1.4 TSI Start&Stop is slightly bigger in every dimension. It's 2.4 cm longer, 6.8 cm wider and 3.8 cm taller than the BMW 123d.
SEAT Leon 1.4 TSI Start&Stop
BMW 123d
1459
1816
1975
1421
1748
1934
1816 mm
Width
1748 mm
1975 mm
Width Incl. Mirrors
1934 mm
1459 mm
Height
1421 mm
2636
4263
2660
4239
4263 mm
Length
4239 mm
2636 mm
Wheelbase
2660 mm
Vehicle Weight
SEAT Leon 1.4 TSI Start&Stop
BMW 123d
1233 kg
Kerb Weight
1485 kg
1770 kg
Gross Vehicle
Weight
Weight
1910 kg

Weight Difference:
252 kg
16.97 %

General
SEAT Leon 1.4 TSI 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

6-speed manual transmission
Transmission
6-speed manual transmission
Engine
SEAT Leon 1.4 TSI 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
123 bhp
at 5000 rpm
Power
201 bhp
at 4400 rpm
SEAT Leon 1.4 TSI Start&Stop
123 bhp
201 bhp
BMW 123d
200 NM
at 1400 rpm
Max. Torque
400 NM
at 2000 rpm
SEAT Leon 1.4 TSI Start&Stop
200 NM
400 NM
BMW 123d
Performance
SEAT Leon 1.4 TSI Start&Stop
BMW 123d
126 mph
Maximum Speed
148 mph
9.1 sec
Acceleration 0 to 62 mph
6.9 sec
62 mph
62
mph
mph
126 m
0.000 sec

SEAT Leon 1.4 TSI Start&Stop
62 mph
62
mph
mph
96 m
0.000 sec

BMW 123d
▶ REPLAY
10.02 kg/bhp
Weight-to-Power Ratio
7.39 kg/bhp
SEAT Leon 1.4 TSI Start&Stop
10.02 kg/bhp
7.39 kg/bhp
BMW 123d
Fuel Economy / Emissions
SEAT Leon 1.4 TSI Start&Stop
BMW 123d
Fuel Economy
54 mpg
combined
55 mpg
SEAT Leon 1.4 TSI Start&Stop
54 mpg
55 mpg
BMW 123d
42 mpg
city
44 mpg
66 mpg
motorway
No data
50 L
Fuel Tank Capacity
51 L
598 mi
Range
621 mi
SEAT Leon 1.4 TSI Start&Stop
598 mi
621 mi
BMW 123d
Environmental Impact
98.5 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).
104.9 kWh
SEAT Leon 1.4 TSI Start&Stop
98.5 kWh
104.9 kWh
BMW 123d
Euro 6b (NEFZ)
Emission Standard
Euro 5
120 g/km (NEFZ)
CO2 Emissions
135 g/km (NEFZ)
Practical Convenience
SEAT Leon 1.4 TSI Start&Stop
BMW 123d
5
Doors
3
5
No. of Seats
4
537 kg
Maximum Payload
425 kg
380 L
Boot Capacity
330 L







1210 L
Boot Capacity (Seats Down)
1150 L