The Comparative Analysis :
Audi A6 45 TFSI quattro S tronic (18 - ..) vs. Audi A6 40 TDI quattro S tronic (18 - ..)
€ 54,200
![Audi A6 45 TFSI quattro S tronic (18 - ..)](graphbase/cars/cars_big_png/Audi_A6_C8.png)
€ 52,600
![Audi A6 40 TDI quattro S tronic (18 - ..)](graphbase/cars/cars_big/Audi_A6_C8.webp)
€ 54,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,600
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of the A6 45 TFSI and the A6 40 TDI are absolutely identical. Both are 194.2 inches long, 74.3 inches wide and 57.4 inches tall.
A6 45 TFSI
A6 40 TDI
57.4
74.3
83.1
57.4
74.3
83.1
74.3 in
Width
74.3 in
83.1 in
Width Incl. Mirrors
83.1 in
57.4 in
Height
57.4 in
115.1
194.2
115.1
194.2
194.2 in
Length
194.2 in
115.1 in
Wheelbase
115.1 in
Vehicle Weight
A6 45 TFSI
A6 40 TDI
3902 lb
Curb Weight
3924 lb
5093 lb
Gross Vehicle
Weight
Weight
5126 lb
![Audi A6 45 TFSI quattro S tronic (18 - ..)](graphbase/cars/cars_big_png/Audi_A6_C8.png)
Weight Difference:
22 lb
0.56 %
![Audi A6 40 TDI quattro S tronic (18 - ..)](graphbase/cars/cars_big_png/Audi_A6_C8.png)
General
A6 45 TFSI
A6 40 TDI
C8 (4K)
Generation
C8 (4K)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
![](graphbase/drivetrain/AWD.png)
7-speed dual clutch transmission
Transmission
7-speed dual clutch transmission
Engine
A6 45 TFSI
A6 40 TDI
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four diesel engine with turbocharger
DKNA, DLHA
Engine Code
DFBA
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5000 rpm
Power
201 hp
at 3750 rpm
A6 45 TFSI
242 hp
201 hp
A6 40 TDI
273 lb‑ft
at 1600 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
A6 45 TFSI
273 lb‑ft
295 lb‑ft
A6 40 TDI
Performance
A6 45 TFSI
A6 40 TDI
155 mph
Maximum Speed
153 mph
6 sec
Acceleration 0 to 62 mph
7.6 sec
62 mph
62
mph
mph
272 ft
0.000 sec
![](graphbase/cars/cars_small_png/Audi_A6_C8.png)
A6 45 TFSI
62 mph
62
mph
mph
348 ft
0.000 sec
![](graphbase/cars/cars_small_png/Audi_A6_C8.png)
A6 40 TDI
▶ REPLAY
16.12 lb/hp
Weight-to-Power Ratio
19.52 lb/hp
A6 45 TFSI
16.12 lb/hp
19.52 lb/hp
A6 40 TDI
Fuel Economy / Emissions
A6 45 TFSI
A6 40 TDI
Fuel Economy
36 mpg
combined
53 mpg
A6 45 TFSI
36 mpg
53 mpg
A6 40 TDI
28 mpg
city
49 mpg
No data
highway
No data
16.6 gal
Fuel Tank Capacity
16.6 gal
593 mi
Range
890 mi
A6 45 TFSI
593 mi
890 mi
A6 40 TDI
Environmental Impact
125 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).
90.4 kWh
A6 45 TFSI
125 kWh
90.4 kWh
A6 40 TDI
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6d-TEMP (WLTP)
293 g/mi (WLTP)
CO2 Emissions
248 g/mi (WLTP)
Practical Convenience
A6 45 TFSI
A6 40 TDI
4
Doors
4
4
No. of Seats
4
1190 lb
Maximum Payload
1202 lb
15 cu ft
Trunk Volume
15 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KB.png)
No data
Cargo Volume (Seats Down)
No data