The Comparative Analysis :

BMW 123d (07 - 12) vs. SEAT Leon 1.4 TGI DSG (Natural Gas) (18 - 18)

€ 32,100
BMW 123d (07 - 12) BMW 123d
€ 25,400
 SEAT Leon 1.4 TGI DSG (Natural Gas) (18 - 18) SEAT Leon 1.4 TGI Start&Stop
€ 32,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 25,400

ⓘ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 1.7 inches shorter, 2.7 inches narrower and 1.5 inches lower than the SEAT Leon 1.4 TGI Start&Stop.
BMW 123d
SEAT Leon 1.4 TGI Start&Stop
55.9
Blueprint BMW 123d (07 - 12)
68.8
76.1
57.4
Blueprint SEAT Leon 1.4 TGI DSG (Natural Gas) (18 - 18)
71.5
77.8
68.8 in
Width
71.5 in
76.1 in
Width Incl. Mirrors
77.8 in
55.9 in
Height
57.4 in
Blueprint BMW 123d (07 - 12)
104.7
166.9
Blueprint SEAT Leon 1.4 TGI DSG (Natural Gas) (18 - 18)
103.8
168.6
166.9 in
Length
168.6 in
104.7 in
Wheelbase
103.8 in

Vehicle Weight

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
3274 lb
Curb Weight
3060 lb
4211 lb
Gross Vehicle
Weight
4123 lb
BMW 123d (07 - 12)
Weight Difference:
214 lb
6.54 %
SEAT Leon 1.4 TGI DSG (Natural Gas) (18 - 18)

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
Drivetrain
Front-wheel drive
6-speed manual transmission
Transmission
7-speed dual clutch 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
2 L / 98 cu in
Displacement
1.4 L / 69 cu in
201 hp
at 4400 rpm
Power
108 hp
at 4800 rpm
BMW 123d
201 hp
108 hp
SEAT Leon 1.4 TGI Start&Stop
295 lb‑ft
at 2000 rpm
Max. Torque
148 lb‑ft
at 1500 rpm
BMW 123d
295 lb‑ft
148 lb‑ft
SEAT Leon 1.4 TGI Start&Stop

Performance

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

315 ft
0.000 sec

BMW 123d

62 mph 62
mph

495 ft
0.000 sec

SEAT Leon 1.4 TGI Start&Stop

▶ REPLAY
16.29 lb/hp
Weight-to-Power Ratio
28.33 lb/hp
BMW 123d
16.29 lb/hp
28.33 lb/hp
SEAT Leon 1.4 TGI Start&Stop

Fuel Economy / Emissions

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
Fuel Economy
46 mpg  ( 52 MPGe ⓘ Miles per gallon gaso­line equiva­lent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per U.S. gallon, is used to compare the energy con­sump­tion of vehicles that use different energy sources.)
combined ✽ per 100 miles
12.8 lb✽  ( 7 MPGe ⓘ Miles per gallon gaso­line equiva­lent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per U.S. gallon, is used to compare the energy con­sump­tion of vehicles that use different energy sources.)
BMW 123d
52 MPGe
7 MPGe
SEAT Leon 1.4 TGI Start&Stop
37 mpg
city
16.7 lb
No data
highway
11 lb
13.5 gal
Fuel Tank Capacity
31 lb
621 mi
Range
242 mi
BMW 123d
621 mi
242 mi
SEAT Leon 1.4 TGI Start&Stop
Environmental Impact
104.9 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).
26.4 kWh
BMW 123d
104.9 kWh
26.4 kWh
SEAT Leon 1.4 TGI Start&Stop
Euro 5
Emission Standard
Euro 6b (NEFZ)
217 g/mi (NEFZ)
CO2 Emissions
154 g/mi (NEFZ)

Practical Convenience

BMW 123d
SEAT Leon 1.4 TGI Start&Stop
3
Doors
5
4
No. of Seats
5
937 lb
Maximum Payload
1063 lb
9.3 cu ft
Trunk Volume
7.8 cu ft
32.6 cu ft
Cargo Volume (Seats Down)
31.3 cu ft