The Comparative Analysis :
SEAT Leon SC 1.8 TSI DSG (16 - 18) vs. BMW 123d Automatic 5-door (08 - 11)
€ 26,900

€ 34,900

€ 26,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,900
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The SEAT Leon SC 1.8 TSI Start&Stop is a little bigger in every dimension. It's 0.3 inches longer, 2.4 inches wider and 0.4 inches taller than the BMW 123d.
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
56.3
71.3
77.8
55.9
68.8
76.1
71.3 in
Width
68.8 in
77.8 in
Width Incl. Mirrors
76.1 in
56.3 in
Height
55.9 in
102.2
167.2
104.7
166.9
167.2 in
Length
166.9 in
102.2 in
Wheelbase
104.7 in
Vehicle Weight
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
2881 lb
Curb Weight
3296 lb
4057 lb
Gross Vehicle
Weight
Weight
4233 lb

Weight Difference:
414 lb
12.56 %

General
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
5F
Generation
E87
Hatchback
Car Body Style
Hatchback
Mid-Grade Unleaded
Fuel Type
Diesel

Front-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
6-speed automatic transmission
Engine
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
Engine Series
BMW
4
Valves
4
4
Cylinders
4
1.8 L / 88 cu in
Displacement
2 L / 98 cu in
178 hp
at 5100 rpm
Power
201 hp
at 4400 rpm
SEAT Leon SC 1.8 TSI Start&Stop
178 hp
201 hp
BMW 123d
184 lb‑ft
at 1250 rpm
Max. Torque
295 lb‑ft
at 2000 rpm
SEAT Leon SC 1.8 TSI Start&Stop
184 lb‑ft
295 lb‑ft
BMW 123d
Performance
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
139 mph
Maximum Speed
147 mph
7.1 sec
Acceleration 0 to 62 mph
7.1 sec
62 mph
62
mph
mph
325 ft
0.000 sec

SEAT Leon SC 1.8 TSI Start&Stop
62 mph
62
mph
mph
325 ft
0.000 sec

BMW 123d
▶ REPLAY
16.19 lb/hp
Weight-to-Power Ratio
16.4 lb/hp
SEAT Leon SC 1.8 TSI Start&Stop
16.19 lb/hp
16.4 lb/hp
BMW 123d
Fuel Economy / Emissions
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
Fuel Economy
41 mpg
combined
43 mpg
SEAT Leon SC 1.8 TSI Start&Stop
41 mpg
43 mpg
BMW 123d
33 mpg
city
34 mpg
46 mpg
highway
No data
13.2 gal
Fuel Tank Capacity
13.5 gal
536 mi
Range
576 mi
SEAT Leon SC 1.8 TSI Start&Stop
536 mi
576 mi
BMW 123d
Environmental Impact
109.9 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 1.8 TSI Start&Stop
109.9 kWh
113.1 kWh
BMW 123d
Euro 6b (NEFZ)
Emission Standard
Euro 5
216 g/mi (NEFZ)
CO2 Emissions
233 g/mi (NEFZ)
Practical Convenience
SEAT Leon SC 1.8 TSI Start&Stop
BMW 123d
3
Doors
5
5
No. of Seats
5
1175 lb
Maximum Payload
937 lb
10.8 cu ft
Trunk Volume
9.3 cu ft







32.6 cu ft
Cargo Volume (Seats Down)
32.6 cu ft