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Audi 4.2 FSI V8 32V (420 Hp) quattro

General information
Photo of 2005 - 2009 Audi 4.2 FSI V8 32V (420 Hp) quattro Sedan (420 Hp) - technical specs and dimensions
Power 420 Hp @ 7800 rpm.
Torque 430 Nm @ 5500 rpm.
Acceleration 0 - 100 km/h 4.8 sec
Maximum speed 250 km/h
Fuel consumption (economy) - combined 13.7 l/100 km
Brand
Audi
Model
RS4
Generation
RS4 Saloon (8E, B7)
Modification (Engine)
4.2 FSI V8 32V (420 Hp) quattro
Start of production
November, 2005 year
End of production
2009 year
Powertrain Architecture
Internal Combustion engine
Powertrain architecture classifies the propulsion technology of the vehicle, such as internal combustion, electric (BEV), or hybrid.
Body type
Sedan
Body type refers to the structural design and shape of the vehicle (such as Sedan, Hatchback, SUV, or Coupe).
Seats
5
Seat count specifies the maximum passenger capacity the vehicle is legally approved to transport at once.
Doors
4
Door count indicates the total number of entry points for passengers and cargo access (e.g., 3-door, 5-door).

Audi RS4 Review

Introduced in November, 2005, the Audi RS4 (generation RS4 Avant (8D, B5)) is a classic Sedan offering the 4.2 FSI V8 32V (420 Hp) quattro specification. Its propulsion comes from a 4163 cm3 setup, generating a respectable 420 Hp @ 7800 rpm.. This configuration allows it to accelerate from 0 to 100 km/h in 4.8 sec, with a top speed of 250 km/h. The model features All wheel drive (4x4) and has an average combined fuel consumption of 13.7 l/100 km. Featuring Naturally aspirated engine aspiration, it produces a peak torque of 430 Nm @ 5500 rpm. for robust performance. The specific output is rated at 100.9 Hp/l per litre.

The Audi 4.2 FSI V8 32V (420 Hp) quattro stands out as a prominent 2005 - 2009 model that has gained significant attention in the automotive world. The motor is capable of generating 420 Hp @ 7800 rpm. at its peak. The maximum velocity reach is approximately 250 km/h. It demonstrates a steady character and inspires confidence through its handling. When analyzing fuel consumption, it maintains segment standards with an average of 13.7 l/100 km**. Whether for performance or efficiency, this model remains a successful example in today's market.
FAQ
How many horsepower does Audi 4.2 FSI V8 32V (420 Hp) quattro have? +
The Audi 4.2 FSI V8 32V (420 Hp) quattro model is equipped with an engine producing 420 Hp @ 7800 rpm. total horsepower.
What is the fuel type of Audi 4.2 FSI V8 32V (420 Hp) quattro? +
This vehicle operates on a 13.7 l/100 km fuel system.
What is the 0-100 km/h acceleration of Audi 4.2 FSI V8 32V (420 Hp) quattro? +
The Audi 4.2 FSI V8 32V (420 Hp) quattro can accelerate from 0 to 100 km/h in just 4.8 sec.
What is the top speed of Audi 4.2 FSI V8 32V (420 Hp) quattro? +
According to technical specs, the maximum speed of the vehicle is 250 km/h.
What drivetrain does the Audi 4.2 FSI V8 32V (420 Hp) quattro have? +
This model transfers power to the road via a All wheel drive (4x4) drivetrain.
Is the Audi 4.2 FSI V8 32V (420 Hp) quattro a good car? +
Considering the technical specs and market position, the Audi 4.2 FSI V8 32V (420 Hp) quattro is a highly competitive and desirable model in its class.
Performance specs
Fuel consumption (economy) - urban
19.7 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
Fuel consumption (economy) - extra urban
10.1 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
Fuel consumption (economy) - combined
13.7 l/100 km
Fuel consumption shows how much fuel the car consumes on average per 100 km. Lower figures represent better fuel economy and lower running costs.
CO2 emissions
329 g/km
Fuel Type
Petrol (Gasoline)
Fuel type defines the primary source of energy required by the vehicle’s engine (petrol, diesel, electricity, hybrid, LPG, etc.).
Acceleration 0 - 100 km/h
4.8 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 62 mph
4.8 sec
The 0-100 km/h sprint time measures how quickly the vehicle accelerates from a standstill. It is a key indicator of raw performance and responsiveness.
Acceleration 0 - 60 mph (Calculated by User)
4.6 sec
Acceleration 0-200 km/h
16.6 sec
Maximum speed
250 km/h
Maximum speed represents the upper limit of velocity the vehicle can reach, limited by gear ratios, engine power, and aerodynamic resistance.
Emission standard
Euro 4
Weight-to-power ratio
3.9 kg/Hp, 254.5 Hp/tonne
Weight-to-torque ratio
3.8 kg/Nm, 260.6 Nm/tonne
Engine specs
Power
420 Hp @ 7800 rpm.
Power per litre
100.9 Hp/l
Power per litre (specific power) measures the engine power relative to its displacement. A higher value indicates advanced efficiency and engineering quality.
Torque
430 Nm @ 5500 rpm.
Torque represents the engine’s rotational force, which determines pulling power. High torque ensures responsive acceleration and stronger uphill performance.
Engine layout
Front, Longitudinal
Engine layout defines the position and alignment of the engine block. This layout affects the car’s weight distribution, handling, and interior cabin space.
Engine Model Code
BNS
Engine displacement
4163 cm3
Engine displacement represents the combined volume of all cylinders. It is a direct indicator of engine size and baseline performance potential.
Number of cylinders
8
Cylinder count represents the number of combustion chambers. More cylinders generally result in smoother operation and a refined engine note.
Engine configuration
V-engine
Cylinder bore
84.5 mm
Piston stroke
92.8 mm
Compression ratio
12.5:1
Number of valves per cylinder
4
Valves per cylinder control the airflow into and exhaust out of the engine. More valves improve high-RPM breathing and performance.
Fuel injection system
Direct injection
Engine aspiration
Naturally aspirated engine
Aspiration describes how the engine draws air into its cylinders, distinguishing naturally aspirated setups from turbochargers or superchargers.
Valvetrain
DOHC
Engine oil capacity
9.6 l
Coolant
12 l
Space, Volume and weights
Kerb Weight
1650 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. weight
2260 kg
Curb weight is a key parameter affecting fuel consumption, handling agility, acceleration times, and stopping distances.
Max. load
610 kg
Trunk (boot) space - minimum
460 l
Trunk (boot) space - maximum
720 l
Fuel tank capacity
63 l
Max. roof load
75 kg
Dimensions
Length
4589 mm
Width
1816 mm
Height
1415 mm
Wheelbase
2648 mm
Front track
1559 mm
Rear / Back Track
1569 mm
Drag coefficient (Cd)
0.31
Minimum turning circle (turning diameter)
11.10 m
Drivetrain, brakes and suspension specs
Drive wheel
All wheel drive (4x4)
Drivetrain type specifies which wheels receive power from the engine. This affects road grip, cornering, and stability on slippery surfaces.
Number of gears and type of gearbox
6 gears, manual transmission
Front suspension
Independent multi-link suspension
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Rear suspension
Independent on trapezoidal lever
The suspension system absorbs road bumps, providing cabin comfort and keeping tires firmly planted on the road surface.
Front brakes
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Rear brakes
Ventilated discs
The brake system is a vital safety component that uses friction to slow down or bring the vehicle to a complete stop.
Assisting systems
ABS (Anti-lock braking system)
Steering type
Steering rack and pinion
Tires size
255/40 R18
Tire size specifies the tread width, aspect ratio, and rim diameter, affecting the balance between handling grip and ride comfort.
Wheel rims size
8.5J X 18
Common OBD2 Fault Codes
P0103 🚨 Critical
VAG P0103 Mass or Volume Air Flow Circuit High Input
Diagnostic Guide
P0107 🚨 Critical
VAG P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
Diagnostic Guide
P0108 🔴 High
VAG P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
Diagnostic Guide
P0112 🟢 Low
VAG P0112 Intake Air Temperature Circuit Low Input
Diagnostic Guide
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User Reviews
G
George 77
2 months ago
★★★★★
Just picked mine up last week! Acceleration is punchy and satisfying. Suspension handles bumps and rough roads very smoothly. Value for money is unmatched, highly recommended.
•
C
Charlie 84
4 days ago
★★★★☆
Perfect size and choice for our small family. The 420 Hp @ 7800 rpm. hp feels powerful on the road. The infotainment is fast and lag-free. Definitely a solid choice in this price range.
•
J
Jacob 92
22 months ago
★★★★★
Perfect size and choice for our small family. Very responsive throttle, makes highway overtaking a breeze. The handling in corners is very safe. Planning to keep it for a long time.
•

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