The Comparative Analysis :

BMW 123d Automatic (07 - 12) vs. SEAT Leon 1.4 TGI (Natural Gas) (14 - 15)

€ 34,200
BMW 123d Automatic (07 - 12) BMW 123d
€ 21,100
 SEAT Leon 1.4 TGI (Natural Gas) (14 - 15) SEAT Leon 1.4 TGI Start&Stop
€ 34,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 21,100

ⓘ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 2.4 cm shorter, 6.8 cm narrower and 3.8 cm lower than the SEAT Leon 1.4 TGI Start&Stop.
BMW 123d
SEAT Leon 1.4 TGI Start&Stop
1421
Blueprint BMW 123d Automatic (07 - 12)
1748
1934
1459
Blueprint SEAT Leon 1.4 TGI (Natural Gas) (14 - 15)
1816
1975
1748 mm
Width
1816 mm
1934 mm
Width Incl. Mirrors
1975 mm
1421 mm
Height
1459 mm
Blueprint BMW 123d Automatic (07 - 12)
2660
4239
Blueprint SEAT Leon 1.4 TGI (Natural Gas) (14 - 15)
2636
4263
4239 mm
Length
4263 mm
2660 mm
Wheelbase
2636 mm

Vehicle Weight

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
1485 kg
Kerb Weight
1359 kg
1910 kg
Gross Vehicle
Weight
1840 kg
BMW 123d Automatic (07 - 12)
Weight Difference:
126 kg
8.48 %
SEAT Leon 1.4 TGI (Natural Gas) (14 - 15)

General

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
E81
Generation
5F
Hatchback
Car Body Style
Hatchback
Diesel
Fuel Type
Natural Gas (CNG)
Rear-wheel drive
Drive
Front-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four engine with tur­bo­charger
BMW
Engine Series
4
Valves
4
4
Cylinders
4
1995 CC
Engine Capacity
1395 CC
201 bhp
at 4400 rpm
Power
108 bhp
at 4800 rpm
BMW 123d
201 bhp
108 bhp
SEAT Leon 1.4 TGI Start&Stop
400 NM
at 2000 rpm
Max. Torque
200 NM
at 1500 rpm
BMW 123d
400 NM
200 NM
SEAT Leon 1.4 TGI Start&Stop

Performance

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
147 mph
Maximum Speed
121 mph
7 sec
Acceleration 0 to 62 mph
10.9 sec
62 mph 62
mph

97 m
0.000 sec

BMW 123d

62 mph 62
mph

151 m
0.000 sec

SEAT Leon 1.4 TGI Start&Stop

▶ REPLAY
7.39 kg/bhp
Weight-to-Power Ratio
12.58 kg/bhp
BMW 123d
7.39 kg/bhp
12.58 kg/bhp
SEAT Leon 1.4 TGI Start&Stop

Fuel Economy / Emissions

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
Fuel Economy
51 mpg  ( 58 MPGe ⓘ Miles per gallon petrol equiva­lent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per imperial gallon (~4.546 litres), is used to compare the energy con­sump­tion of vehicles that use different energy sources.)
combined ✽ per 100 miles
5.6 kg✽  ( 9 MPGe ⓘ Miles per gallon petrol equiva­lent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per imperial gallon (~4.546 litres), is used to compare the energy con­sump­tion of vehicles that use different energy sources.)
BMW 123d
58 MPGe
9 MPGe
SEAT Leon 1.4 TGI Start&Stop
41 mpg
city
7.2 kg
No data
motorway
4.7 kg
51 L
Fuel Tank Capacity
14 kg
576 mi
Range
249 mi
BMW 123d
576 mi
249 mi
SEAT Leon 1.4 TGI Start&Stop
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).
25.6 kWh
BMW 123d
113.1 kWh
25.6 kWh
SEAT Leon 1.4 TGI Start&Stop
Euro 5
Emission Standard
Euro 6b (NEFZ)
145 g/km (NEFZ)
CO2 Emissions
94 g/km (NEFZ)

Practical Convenience

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
3
Doors
5
4
No. of Seats
5
425 kg
Maximum Payload
481 kg
330 L
Boot Capacity
275 L
1150 L
Boot Capacity (Seats Down)
1105 L