The Comparative Analysis :
Audi S3 Sportback S tronic (18 - ..) vs. BMW 125i Steptronic (12 - 15)
€ 45,500

€ 34,300

€ 45,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 34,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length, but the Audi S3 Sportback is 0.8 inches wider and 0.7 inches lower.
Audi S3 Sportback
BMW 125i
55.3
70.3
77.4
55.9
69.5
78.1
70.3 in
Width
69.5 in
77.4 in
Width Incl. Mirrors
78.1 in
55.3 in
Height
55.9 in
103.6
170.2
105.9
170.2
170.2 in
Length
170.2 in
103.6 in
Wheelbase
105.9 in
Vehicle Weight
Audi S3 Sportback
BMW 125i
3450 lb
Curb Weight
3186 lb
4508 lb
Gross Vehicle
Weight
Weight
4189 lb

Weight Difference:
265 lb
7.68 %

General
Audi S3 Sportback
BMW 125i
8V
Generation
F21
Hatchback
Car Body Style
Hatchback
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Audi S3 Sportback
BMW 125i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW
DNUE
Engine Code
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
296 hp
at 5300 rpm
Power
215 hp
at 5000 rpm
Audi S3 Sportback
296 hp
215 hp
BMW 125i
295 lb‑ft
at 2000 rpm
Max. Torque
229 lb‑ft
at 1350 rpm
Audi S3 Sportback
295 lb‑ft
229 lb‑ft
BMW 125i
Performance
Audi S3 Sportback
BMW 125i
155 mph
Maximum Speed
151 mph
4.7 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph
62
mph
mph
213 ft
0.000 sec

Audi S3 Sportback
62 mph
62
mph
mph
282 ft
0.000 sec

BMW 125i
▶ REPLAY
11.66 lb/hp
Weight-to-Power Ratio
14.82 lb/hp
Audi S3 Sportback
11.66 lb/hp
14.82 lb/hp
BMW 125i
Fuel Economy / Emissions
Audi S3 Sportback
BMW 125i
Fuel Economy
35 mpg
combined
37 mpg
Audi S3 Sportback
35 mpg
37 mpg
BMW 125i
27 mpg
city
28 mpg
No data
highway
No data
14.5 gal
Fuel Tank Capacity
13.7 gal
503 mi
Range
513 mi
Audi S3 Sportback
503 mi
513 mi
BMW 125i
Environmental Impact
128.7 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).
119.4 kWh
Audi S3 Sportback
128.7 kWh
119.4 kWh
BMW 125i
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
290 g/mi (WLTP)
CO2 Emissions
238 g/mi (NEFZ)
Practical Convenience
Audi S3 Sportback
BMW 125i
5
Doors
3
5
No. of Seats
4
1058 lb
Maximum Payload
1003 lb
9.6 cu ft
Trunk Volume
10.2 cu ft








33.4 cu ft
Cargo Volume (Seats Down)
34 cu ft