The Comparative Analysis :
BMW 523i Automatic (07 - 10) vs. Audi RS6 (08 - 10)
€ 41,900
€ 108,400
€ 41,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW 523i is 3.4 inches shorter, 1.7 inches narrower and 0.5 inches taller than the Audi RS6.
BMW 523i
Audi RS6
57.8
72.7
80.2
57.3
74.4
79.9
72.7 in
Width
74.4 in
80.2 in
Width Incl. Mirrors
79.9 in
57.8 in
Height
57.3 in
113.7
190.6
112
194
190.6 in
Length
194 in
113.7 in
Wheelbase
112 in
Vehicle Weight
BMW 523i
Audi RS6
3527 lb
Curb Weight
4542 lb
4597 lb
Gross Vehicle
Weight
Weight
5655 lb
Weight Difference:
1014 lb
22.33 %
General
BMW 523i
Audi RS6
E60
Generation
C6 (4F)
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
BMW 523i
Audi RS6
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
V10 gasoline engine with two turbochargers (biturbo)
BMW N53
Engine Series
N53-B25
Engine Code
BUH
4
Valves
4
6
Cylinders
10
2.5 L / 122 cu in
Displacement
5 L / 245 cu in
187 hp
at 6100 rpm
Power
572 hp
at 6250 rpm
BMW 523i
187 hp
572 hp
Audi RS6
177 lb‑ft
at 3500 rpm
Max. Torque
479 lb‑ft
at 1500 rpm
BMW 523i
177 lb‑ft
479 lb‑ft
Audi RS6
Performance
BMW 523i
Audi RS6
147 mph
Maximum Speed
155 mph
8.7 sec
Acceleration 0 to 62 mph
4.5 sec
62 mph
62
mph
mph
397 ft
0.000 sec
BMW 523i
62 mph
62
mph
mph
207 ft
0.000 sec
Audi RS6
▶ REPLAY
18.86 lb/hp
Weight-to-Power Ratio
7.94 lb/hp
BMW 523i
18.86 lb/hp
7.94 lb/hp
Audi RS6
Fuel Economy / Emissions
BMW 523i
Audi RS6
Fuel Economy
31 mpg
combined
17 mpg
BMW 523i
31 mpg
17 mpg
Audi RS6
22 mpg
city
12 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
21.1 gal
565 mi
Range
358 mi
BMW 523i
565 mi
358 mi
Audi RS6
Environmental Impact
145.8 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).
263.3 kWh
BMW 523i
145.8 kWh
263.3 kWh
Audi RS6
Euro 4
Emission Standard
Euro 4 III
291 g/mi (NEFZ)
CO2 Emissions
533 g/mi (NEFZ)
Practical Convenience
BMW 523i
Audi RS6
4
Doors
4
5
No. of Seats
5
1069 lb
Maximum Payload
1113 lb
14.7 cu ft
Trunk Volume
15.5 cu ft
No data
Cargo Volume (Seats Down)
No data
