Tesla Model Y outperforms Rivian R2 in real-world efficiency despite matching EPA ratings

Independent tests compared a 2027 Rivian R2 Performance with a 2026 Tesla Model Y Performance under real driving conditions. Although both share the same EPA rating of 105 MPGe combined and 32 kWh/100 miles consumption, the Model Y consistently proved more efficient across all scenarios. At 50 mph, the R2 used 18.4% more energy, increasing to 26.5% at 80 mph. Even in city driving, where the R2’s boxier design should be less disadvantageous, it consumed 25% more energy. The discrepancy is attributed to differences in EPA test cycles rather than lower R2 performance, which remains notable for a

• Model Y uses up to 26.5% less energy than Rivian R2 at 80 mph
• Both models rated 105 MPGe combined and 32 kWh/100 miles by EPA

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