The Comparative Analysis :
BMW 123d Automatic (07 - 12) vs. SEAT Leon 2.0 TDI DSG (18 - 20)
€ 34,200

€ 28,400

€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 28,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 123d is slightly smaller in every dimension. It's 4.3 cm shorter, 6.8 cm narrower and 3.8 cm lower than the SEAT Leon 2.0 TDI.
BMW 123d
SEAT Leon 2.0 TDI
1421
1748
1934
1459
1816
1975
1748 mm
Width
1816 mm
1934 mm
Width Incl. Mirrors
1975 mm
1421 mm
Height
1459 mm
2660
4239
2636
4282
4239 mm
Length
4282 mm
2660 mm
Wheelbase
2636 mm
Vehicle Weight
BMW 123d
SEAT Leon 2.0 TDI
1485 kg
Kerb Weight
1372 kg
1910 kg
Gross Vehicle
Weight
Weight
1850 kg

Weight Difference:
113 kg
7.61 %

General
BMW 123d
SEAT Leon 2.0 TDI
E81
Generation
5F
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Front-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 123d
SEAT Leon 2.0 TDI
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four diesel engine with turbocharger
BMW
Engine Series
4
Valves
4
4
Cylinders
4
1995 CC
Engine Capacity
1968 CC
201 bhp
at 4400 rpm
Power
148 bhp
at 3500 rpm
BMW 123d
201 bhp
148 bhp
SEAT Leon 2.0 TDI
400 NM
at 2000 rpm
Max. Torque
340 NM
at 1750 rpm
BMW 123d
400 NM
340 NM
SEAT Leon 2.0 TDI
Performance
BMW 123d
SEAT Leon 2.0 TDI
147 mph
Maximum Speed
134 mph
7 sec
Acceleration 0 to 62 mph
8.5 sec
62 mph
62
mph
mph
97 m
0.000 sec

BMW 123d
62 mph
62
mph
mph
118 m
0.000 sec

SEAT Leon 2.0 TDI
▶ REPLAY
7.39 kg/bhp
Weight-to-Power Ratio
9.27 kg/bhp
BMW 123d
7.39 kg/bhp
9.27 kg/bhp
SEAT Leon 2.0 TDI
Fuel Economy / Emissions
BMW 123d
SEAT Leon 2.0 TDI
Fuel Economy
51 mpg
combined
66 mpg
BMW 123d
51 mpg
66 mpg
SEAT Leon 2.0 TDI
41 mpg
city
56 mpg
No data
motorway
74 mpg
51 L
Fuel Tank Capacity
50 L
576 mi
Range
723 mi
BMW 123d
576 mi
723 mi
SEAT Leon 2.0 TDI
Environmental Impact
113.1 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).
88.5 kWh
BMW 123d
113.1 kWh
88.5 kWh
SEAT Leon 2.0 TDI
Euro 5
Emission Standard
Euro 6d-TEMP
145 g/km (NEFZ)
CO2 Emissions
137 g/km (WLTP)
Practical Convenience
BMW 123d
SEAT Leon 2.0 TDI
3
Doors
5
4
No. of Seats
5
425 kg
Maximum Payload
478 kg
330 L
Boot Capacity
380 L







1150 L
Boot Capacity (Seats Down)
1210 L