Specification comparison of 2026 Cadillac CT5-V Blackwing Automatic, 2025 BMW M3 Competition xDrive. The best value in each comparable row is labelled “Best”.
Power-to-weight ratioHigher is betterCalculated from peak power and curb weight — figures quoted against a different weight basis (e.g. dry or DIN) will differ.
342.9 hp/t✓ BestCalculated
293.8 hp/tCalculated
Lateral accelerationSkidpad radius and surface affect results.
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1.03 gIndependent test · Car and Driver
Acceleration
0–60 mphLower is betterRollout (1ft) handling differs between testers and manufacturers.
3.40 s✓ TieManufacturer claim · Cadillac
3.40 s✓ TieIndependent test · Kelley Blue Book
0–100 km/hLower is better
3.60 s✓ TieManufacturer claim · Cadillac
3.50 s✓ TieManufacturer claim · BMW
0–100 mph
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7.00 sIndependent test · Car and Driver
0–200 km/h
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11.8 sManufacturer claim · BMW
Braking
70–0 mph braking distanceLower is better
152.0 ft✓ BestIndependent test · Car and Driver
153.0 ftIndependent test · Car and Driver
100–0 mph braking distanceLower is better
306.0 ftIndependent test · Car and Driver
297.0 ft✓ BestIndependent test · Car and Driver
Engine & Powertrain
Peak powerHigher is better
668 hp✓ BestManufacturer claim · Cadillac
523 hpIndependent test · Wikipedia
Peak torqueHigher is better
659 lb-ft✓ BestManufacturer claim · Cadillac
479 lb-ftIndependent test · Wikipedia
Engine displacement
6200.0 ccManufacturer claim · Cadillac
3000.0 ccHomologation · US EPA
Cylinder count
8Manufacturer claim · Cadillac
6Homologation · US EPA
Engine layout
V8Manufacturer claim · Cadillac
Inline-6Independent test · Wikipedia
Engine placement
Front
Dimensions
Length
195 inManufacturer claim · Cadillac
189 inIndependent test · Wikipedia
Width
80 inManufacturer claim · Cadillac
75 inIndependent test · Wikipedia
Height
57 inManufacturer claim · Cadillac
57 inIndependent test · Wikipedia
Wheelbase
116 inManufacturer claim · Cadillac
112 inIndependent test · Wikipedia
Ground clearance
5 inManufacturer claim · Cadillac
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Weight
Curb weightLower is better
4295 lbHomologation · US EPA
3924 lb✓ BestIndependent test · Wikipedia
Fuel Economy
Fuel economy (combined)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
15.0 mpgHomologation · US EPA
18.0 mpg✓ BestHomologation · US EPA
Fuel economy (city)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
13.0 mpgHomologation · US EPA
16.0 mpg✓ BestHomologation · US EPA
Fuel economy (highway)Higher is betterLower L/100km is better; higher mpg is better — direction is on the canonical L/100km.
20.0 mpgHomologation · US EPA
23.0 mpg✓ BestHomologation · US EPA
Practicality
Cargo volume
12 ft³Manufacturer claim · Cadillac
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Seats
5Manufacturer claim · Cadillac
5Independent test · Kelley Blue Book
Pricing
Base price (as tested market)Demo prices only; not live FX.
$102,795Independent test · Car and Driver
$82,075Independent test · Kelley Blue Book
Every figure is the car’s preferred, sourced value. “Best” marks the strongest value in a row, judged on the canonical measurement (so a winner is correct whichever unit system you view). Open a car to see each value’s source, original units, and alternates.
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