2026 BMW 4 Series Gran Coupe vs 2027 BMW 5 Series:
Safety comparison — crash avoidance & crash test ratings

Side-by-side comparison of standard crash-avoidance technologies and NHTSA/IIHS crash test ratings. Driver assistance and convenience features are covered in the full comparison.

2026 BMW 4 Series Gran Coupe
80
MotiveGrid Safety Score
vs
2027 BMW 5 Series
100
MotiveGrid Safety Score
0 advantages for BMW 4 Series Gran Coupe0 advantages for BMW 5 Series6 tied featuresFull comparison

Quick take

The BMW 5 Series leads in overall safety with a MotiveGrid Safety Score of 100 vs 80 — a 20-point gap driven by stronger crash-avoidance features and/or higher NHTSA/IIHS ratings. Both vehicles are evenly matched on the 4 core crash-avoidance technologies. Both vehicles are evenly matched on safety features and crash-test ratings (0–0–6). Refer to the full comparison for cost, powertrain, and livability scores.

Crash avoidance(0–0–4)

(Wins–Losses–Ties for BMW 4 Series Gran Coupe vs BMW 5 Series)

Crash avoidance comparison: 2026 BMW 4 Series Gran Coupe versus 2027 BMW 5 Series
FeatureBMW 4 Series Gran CoupeBMW 5 Series
Automatic emergency braking
Detects imminent forward collision and applies brakes autonomously to reduce or avoid impact.
 Yes Yes
Forward collision warning
Alerts driver to an impending forward collision with visual and/or audible warnings.
 Yes Yes
Blind spot monitoring
Warns when a vehicle is detected in the blind spot zone, typically with mirror indicators.
 Yes Yes
Rear cross-traffic alert
Alerts to approaching cross-traffic when reversing out of a parking space or driveway.
 Yes Yes

Crash test ratings(0–0–2)

(Wins–Losses–Ties for BMW 4 Series Gran Coupe vs BMW 5 Series)

Crash test ratings comparison: 2026 BMW 4 Series Gran Coupe versus 2027 BMW 5 Series
FeatureBMW 4 Series Gran CoupeBMW 5 Series
NHTSA overall
National Highway Traffic Safety Administration overall star rating (1–5). Crash test scores for frontal, side, and rollover.
——
IIHS overall
Insurance Institute for Highway Safety top award — Top Safety Pick+ is the highest designation.
—Not awarded

Data reflects standard equipment at the base MSRP. Optional packages like Ford BlueCruise, GM Super Cruise, and Tesla FSD are not scored (Tesla FSD is the lone curated exception). Crash test data from NHTSA and IIHS. ADAS data verified against manufacturer spec pages.

← Full 2026 BMW 4 Series Gran Coupe vs 2027 BMW 5 Series comparisonSafety scoring methodology →

See the full BMW 4 Series Gran Coupe vs BMW 5 Series comparison — all five pillars including cost of ownership, powertrain, driver assistance, and livability:

← Full comparison (all 5 pillars)Safety scoring methodology →Car safety ratings explained →MotiveGrid rankings →