Z4 sDrive30i vs RX-7
BMW · Mazda
1/4 Mile winner
Z4 sDrive30i
Beats the RX-7 by 0.10s
The verdict
In a quarter-mile drag race, the Z4 sDrive30i beats the RX-7 by a hair, finishing 0.10 seconds ahead. It's tight on paper, but our simulator gives the edge to the Z4 sDrive30i thanks to a slightly better power-to-weight balance.
Spec head-to-head
Power
255 hp
276 hp
0–100 km/h
5.4s
5.5s
Top speed
250 km/h
250 km/h
Engine
2.0L Turbo I4
1.3L Rotary Twin-Turbo
Fuel
Petrol
Petrol
Torque
400 Nm
314 Nm
Price
$54,000
$40,000
Simulated race times
Distance
Z4 sDrive30i
RX-7
100 m
6.042s
6.093s
1/8 mile
8.919s
8.989s
1/4 mile
13.378s
13.476s
1 km
23.865s
24.009s
Acceleration curves
Who should buy which?
Price: RX-7 is $40,000 vs $54,000 for the Z4 sDrive30i — a $14,000 gap. Power: RX-7 makes 21 hp more (255 vs 276).
FAQ
Which is faster, the Z4 sDrive30i or the RX-7?
In our simulated 1/4 mile drag race, the Z4 sDrive30i is faster, beating the RX-7 by 0.10 seconds.
What is the 0–100 km/h time of the Z4 sDrive30i vs the RX-7?
The Z4 sDrive30i hits 100 km/h in 5.4 seconds, while the RX-7 does it in 5.5 seconds.
How much horsepower does each car have?
The Z4 sDrive30i produces 255 hp; the RX-7 produces 276 hp.
What are the top speeds?
The Z4 sDrive30i tops out at 250 km/h, and the RX-7 reaches 250 km/h.
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