The Comparative Analysis :
SEAT Leon 1.0 TSI (20 - ..) vs. BMW 123d Automatic (07 - 12)
€ 21,800

€ 34,200

€ 21,800
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 SEAT Leon 1.0 TSI is considerably bigger in every dimension. It's 12.9 cm longer, 5.2 cm wider and 3.5 cm taller than the BMW 123d.
SEAT Leon 1.0 TSI
BMW 123d
1456
1800
1991
1421
1748
1934
1800 mm
Width
1748 mm
1991 mm
Width Incl. Mirrors
1934 mm
1456 mm
Height
1421 mm
2686
4368
2660
4239
4368 mm
Length
4239 mm
2686 mm
Wheelbase
2660 mm
Vehicle Weight
SEAT Leon 1.0 TSI
BMW 123d
1268 kg
Kerb Weight
1485 kg
1750 kg
Gross Vehicle
Weight
Weight
1910 kg

Weight Difference:
217 kg
14.61 %

General
SEAT Leon 1.0 TSI
BMW 123d
KL
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 automatic transmission
Engine
SEAT Leon 1.0 TSI
BMW 123d
Straight-three petrol engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
BMW
4
Valves
4
3
Cylinders
4
999 CC
Engine Capacity
1995 CC
108 bhp
at 5500 rpm
Power
201 bhp
at 4400 rpm
SEAT Leon 1.0 TSI
108 bhp
201 bhp
BMW 123d
200 NM
at 2000 rpm
Max. Torque
400 NM
at 2000 rpm
SEAT Leon 1.0 TSI
200 NM
400 NM
BMW 123d
Performance
SEAT Leon 1.0 TSI
BMW 123d
122 mph
Maximum Speed
147 mph
10.9 sec
Acceleration 0 to 62 mph
7 sec
62 mph
62
mph
mph
151 m
0.000 sec

SEAT Leon 1.0 TSI
62 mph
62
mph
mph
97 m
0.000 sec

BMW 123d
▶ REPLAY
11.74 kg/bhp
Weight-to-Power Ratio
7.39 kg/bhp
SEAT Leon 1.0 TSI
11.74 kg/bhp
7.39 kg/bhp
BMW 123d
Fuel Economy / Emissions
SEAT Leon 1.0 TSI
BMW 123d
Fuel Economy
60 mpg
combined
51 mpg
SEAT Leon 1.0 TSI
60 mpg
51 mpg
BMW 123d
50 mpg
city
41 mpg
69 mpg
motorway
No data
50 L
Fuel Tank Capacity
51 L
661 mi
Range
576 mi
SEAT Leon 1.0 TSI
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 1.0 TSI
89 kWh
113.1 kWh
BMW 123d
Euro 6d-ISC-FCM (WLTP) 36AP-AR
Emission Standard
Euro 5
124 g/km (WLTP)
CO2 Emissions
145 g/km (NEFZ)
Practical Convenience
SEAT Leon 1.0 TSI
BMW 123d
5
Doors
3
5
No. of Seats
4
482 kg
Maximum Payload
425 kg
380 L
Boot Capacity
330 L







1301 L
Boot Capacity (Seats Down)
1150 L