Picture of Audi RS4 (B7)

Audi RS4 (B7)

V8, 32v
420 ps (414 bhp)
430 Nm (317 lb-ft)
1720 kg (3792 lbs)
244 ps / tonne
Picture of Mercedes-Benz A 45 AMG

Mercedes-Benz A 45 AMG

Inline 4 Turbo, DOHC, 16v
360 ps (355 bhp)
450 Nm (332 lb-ft)
1370 kg (3020 lbs)
263 ps / tonne

Performance

  RS4A 45 AMG
Top speed 250 kph (155 mph)250 kph (155 mph)
0 - 100 kph 4.6 s4.4 s
0 - 200 kph 15.4 s16.9 s
0 - 60 mph 4.5 s4.2 s
0 - 100 mph 10.0 s10.0 s
Est. 1/8 mile 8.5 s @ 90.7 mph8.4 s @ 90.7 mph
Est. 100 - 200 kph 10.8 s12.5 s
Est. max acceleration 0.74 g (7 m/s²)0.79 g (8 m/s²)

Summary

  RS4A 45 AMG
Track Performance 747781
Straight line speed 665740
Total 14121521

Verdict

A 45 AMG is the fastest by a small margin.

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More acceleration data at dragrace.me

Acceleration graph

Acceleration chart
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Piorun  6y ago

For sure RS4B7 sound better. And now for sure is cheaper, but its propably not too good at reability and parts prices kill it.

One of the best Audis ever.


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driver  6y ago

RS4 without a doubt. Better engine even if does not hold the power, far better 4WD system, better to drive, RS4 is simply a class above. A45 great car tho.


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BR2+  6y ago

..Id prolly take the RS4, new and old, but I really wouldn't care which one. I always thought the Interior of the A45 Never went with the car, And that it should have been a coupe rather then a saloon, maybe less space, but also less weight, and better for the looks, same with the RS3. Id also be willing to bet the A45 is making a good deal more then 360Bhp...seems to be a trend nowadays..


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Piorun  6y ago

I prefer A 45 Amg more than new RS4 B8. The old B7 looks realy like its generation behind, even it was a very good all-around type of car.

They are also similar fast, but i prefer lighter machines so i go with Merc. Event its V8 vs 4 cyliner.