The Comparative Analysis :
Citroen C6 3.0 V6 Automatic (05 - 08) vs. Audi A6 2.0 TDI ultra S tronic (14 - 18)
€ 44,000

€ 43,400

€ 44,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,400
ⓘ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. The Citroen C6 3.0 V6 is just an inch shorter, 0.6 inches narrower and 0.4 inches taller than the Audi A6 2.0 TDI ultra.
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
57.6
73.2
82.1
57.3
73.8
82.1
73.2 in
Width
73.8 in
82.1 in
Width Incl. Mirrors
82.1 in
57.6 in
Height
57.3 in
114.2
193.2
114.6
194.2
193.2 in
Length
194.2 in
114.2 in
Wheelbase
114.6 in
Vehicle Weight
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
4169 lb
Curb Weight
3825 lb
5007 lb
Gross Vehicle
Weight
Weight
4938 lb

Weight Difference:
344 lb
8.25 %

General
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
T
Generation
C7 (4G)
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Diesel

Front-wheel drive
Drivetrain
Front-wheel drive

6-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
V6 gasoline engine (naturally aspirated engine)
Engine Type
Straight-four diesel engine with turbocharger
Engine Code
CSUD
4
Valves
4
6
Cylinders
4
2.9 L / 142 cu in
Displacement
2 L / 98 cu in
208 hp
at 6000 rpm
Power
148 hp
at 3800 rpm
Citroen C6 3.0 V6
208 hp
148 hp
Audi A6 2.0 TDI ultra
214 lb‑ft
at 3750 rpm
Max. Torque
295 lb‑ft
at 1750 rpm
Citroen C6 3.0 V6
214 lb‑ft
295 lb‑ft
Audi A6 2.0 TDI ultra
Performance
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
143 mph
Maximum Speed
133 mph
10 sec
Acceleration 0 to 62 mph
9.6 sec
62 mph
62
mph
mph
456 ft
0.000 sec

Citroen C6 3.0 V6
62 mph
62
mph
mph
436 ft
0.000 sec

Audi A6 2.0 TDI ultra
▶ REPLAY
20.04 lb/hp
Weight-to-Power Ratio
25.84 lb/hp
Citroen C6 3.0 V6
20.04 lb/hp
25.84 lb/hp
Audi A6 2.0 TDI ultra
Fuel Economy / Emissions
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
Fuel Economy
21 mpg
combined
56 mpg
Citroen C6 3.0 V6
21 mpg
56 mpg
Audi A6 2.0 TDI ultra
14 mpg
city
50 mpg
29 mpg
highway
No data
19 gal
Fuel Tank Capacity
19.3 gal
400 mi
Range
1080 mi
Citroen C6 3.0 V6
400 mi
1080 mi
Audi A6 2.0 TDI ultra
Environmental Impact
212.1 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).
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).
86.4 kWh
Citroen C6 3.0 V6
212.1 kWh
86.4 kWh
Audi A6 2.0 TDI ultra
Euro 4
Emission Standard
Euro 6b (NEFZ)
428 g/mi (NEFZ)
CO2 Emissions
175 g/mi (NEFZ)
Practical Convenience
Citroen C6 3.0 V6
Audi A6 2.0 TDI ultra
4
Doors
4
5
No. of Seats
5
838 lb
Maximum Payload
1113 lb
11.9 cu ft
Trunk Volume
15 cu ft










No data
Cargo Volume (Seats Down)
No data