Audi A6 C5 or Audi A6 C6?

1997–2004 vs 2004–2011 · Sedan/Wagon vs Sedan/Wagon

In short

Length: A6 C5 4,833 mm, A6 C6 4,933 mm — a 10 cm difference.
Boot: A6 C5 500 l, A6 C6 565 l.
Lowest consumption: A6 C5 5.5 l/100 km, A6 C6 6 l/100 km.
Power: A6 C5 81–221 kW, A6 C6 103–257 kW.
Standard equipment: A6 C5 21 items (Basis), A6 C6 30 items (Basis).
Neither is listed on Autodrom right now.

Audi A6 C51997–2004 · 13 engines · Basis, Ambiente, Ambition, AdvanceSpecifications →Listings →

Audi A6 C62004–2011 · 12 engines · Basis, Ambiente, S line, AmbitionSpecifications →Listings →

Only differences

better value

	Audi A6 C51997–2004no listings	Audi A6 C62004–2011no listings
Dimensions
Length	Length4,796 mm–4,833 mm	Length4,916 mm–4,933 mm
Width	Width1,810 mm	Width1,855 mm
Height	Height1,453 mm–1,460 mm	Height1,459 mm–1,463 mm
Wheelbase	Wheelbase2,760 mm	Wheelbase2,843 mm
Ground clearance	Ground clearance120 mm	Ground clearance120 mm
Trunk volume	Trunk volume455 l–500 l	Trunk volume546 l–565 l
Curb weight	Curb weight1,395 kg–1,770 kg	Curb weight1,520 kg–1,850 kg
Fuel tank	Fuel tank70 l	Fuel tank70 l–80 l
Engines
Production years	Production years1997–2004	Production years2004–2011
Body type	Body typeSedan, Wagon	Body typeSedan, Wagon
Number of engines	Number of engines13	Number of engines12
Power	Power81–221 kW (110–300 hp)	Power103–257 kW (140–349 hp)
Displacement (l)	Displacement (l)1.8–4.2	Displacement (l)2.0–4.2
Fuel	FuelDiesel, Petrol	FuelDiesel, Petrol
Gearbox	GearboxManual, Automatic	GearboxManual, Automatic
Drivetrain	DrivetrainFront-wheel, All-wheel (4x4)	DrivetrainFront-wheel, All-wheel (4x4)
Lowest consumption	Lowest consumption5.5 l/100 km · 1.9 TDI 130	Lowest consumption6 l/100 km · 2.0 TDI
Best 0–100 km/h	Best 0–100 km/h6.7 s · 2.7 T quattro	Best 0–100 km/h5.9 s · 3.0 TFSI quattro
Top speed	Top speed250 km/h	Top speed250 km/h
Trim levelsBasis · Basis
Items in the base trim	Items in the base trim21 · Basis	Items in the base trim30 · Basis
Items in the top trim	Items in the top trim30 · Ambition	Items in the top trim35 · S line
Equipment · Comfort6 · 9
Air Conditioning	Air Conditioning✓	Air Conditioning—
Climate Control, 2-zone	Climate Control, 2-zone—	Climate Control, 2-zone✓
Rear Air Vents	Rear Air Vents—	Rear Air Vents✓
Steering Wheel Height Adjustment	Steering Wheel Height Adjustment✓	Steering Wheel Height Adjustment✓
Steering Wheel Reach Adjustment	Steering Wheel Reach Adjustment✓	Steering Wheel Reach Adjustment✓
Front Power Windows	Front Power Windows✓	Front Power Windows✓
Rear Power Windows	Rear Power Windows—	Rear Power Windows✓
Power Steering	Power Steering✓	Power Steering✓
Multifunction Steering Wheel	Multifunction Steering Wheel—	Multifunction Steering Wheel✓
Power-adjustable mirrors	Power-adjustable mirrors✓	Power-adjustable mirrors✓
Equipment · Interior4 · 4
Fabric	Fabric✓	Fabric✓
Driver's Seat Height Adjustment	Driver's Seat Height Adjustment✓	Driver's Seat Height Adjustment—
Front Seats Height Adjustment	Front Seats Height Adjustment—	Front Seats Height Adjustment✓
Folding Rear Seat	Folding Rear Seat✓	Folding Rear Seat✓
Front centre armrest	Front centre armrest✓	Front centre armrest✓
Equipment · Multimedia1 · 3
Audio System	Audio System✓	Audio System✓
12V Socket	12V Socket—	12V Socket✓
AUX input	AUX input—	AUX input✓
Equipment · Visibility & lights1 · 1
Heated Side Mirrors	Heated Side Mirrors✓	Heated Side Mirrors✓
Equipment · Safety5 · 8
Driver's Airbag	Driver's Airbag✓	Driver's Airbag✓
Front Passenger Airbag	Front Passenger Airbag✓	Front Passenger Airbag✓
Front Side Airbags	Front Side Airbags✓	Front Side Airbags✓
Curtain Airbags	Curtain Airbags—	Curtain Airbags✓
Rear Isofix Mounts	Rear Isofix Mounts—	Rear Isofix Mounts✓
Brake assist (BAS)	Brake assist (BAS)—	Brake assist (BAS)✓
ABS	ABS✓	ABS✓
Electronic Stability Control (ESP)	Electronic Stability Control (ESP)✓	Electronic Stability Control (ESP)✓
Equipment · Anti-theft2 · 2
Central Locking	Central Locking✓	Central Locking✓
Immobilizer	Immobilizer✓	Immobilizer✓
Equipment · Exterior2 · 3
Steel Wheels	Steel Wheels✓	Steel Wheels—
Alloy Wheels	Alloy Wheels—	Alloy Wheels✓
R16 Wheels	R16 Wheels—	R16 Wheels✓
Full-size spare wheel	Full-size spare wheel✓	Full-size spare wheel—
Compact spare wheel	Compact spare wheel—	Compact spare wheel✓
On Autodrom now
Listings	Listings0	Listings0

Frequently asked questions

Which is bigger — Audi A6 C5 or Audi A6 C6?

Length: Audi A6 C6 4,933 mm, Audi A6 C5 4,833 mm (a 100 mm difference). Wheelbase: 2,843 vs 2,760 mm. Boot: 565 vs 500 l.

Which uses less fuel — Audi A6 C5 or Audi A6 C6?

The most frugal Audi A6 C5 uses 5.5 l/100 km (1.9 TDI 130); the most frugal Audi A6 C6 6 l/100 km (2.0 TDI).

Which is more powerful — Audi A6 C5 or Audi A6 C6?

The strongest Audi A6 C5 makes 221 kW (300 hp) (4.2 quattro); the strongest Audi A6 C6 257 kW (349 hp) (4.2 FSI quattro).

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